Member State report / Art11 / 2014-2020 / D1-F / Belgium / NE Atlantic: Greater North Sea
| Report type | Member State report to Commission |
| MSFD Article | Art. 11 Monitoring programmes (and Art. 17 updates) |
| Report due | 2014-10-15; 2020-10-15 |
| GES Descriptor | D1 Fish |
| Member State | Belgium |
| Region/subregion | NE Atlantic: Greater North Sea |
| Reported by | Reporter not found |
| Report date | Date not found; 2020-10-29 |
| Report access |
2014 data
2020 data
| Monitoring programme | Monitoring programme name | MP_D1_4_6_Birds |
MP_D1_4_6_Birds |
MP_D1_4_6_Fish |
MP_D1_4_6_Mammals |
MP_D1_4_6_SeabedHabitats |
|---|---|---|---|---|---|---|
| Monitoring programme | Reference existing programme | |||||
| Monitoring programme | Marine Unit ID | |||||
| Q4e - Programme ID | ANSBE-D1, 4 Birds |
ANSBE-D1, 4 Birds |
ANSBE-D1, 4 Fish/Cephalopods |
ANSBE-D1, 4 Mammals/Reptiles |
ANSBE-D1, 4, 6 Seabed habitats |
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| Q4f - Programme description | The Belgian MSFD monitoring programme ‘Biodiversity – Birds’ aims at assessing the following ETs:
• ET1 : Changes in breeding seabird abundance remain within target limits for 75% of the species monitored;
• ET2: The 5 year running mean species density is not below the long-term mean annual population size for 5 consecutive years for minimally half of the non-scavenging seabird species;
• ET3: The 5 year running mean species density is not above the long-term mean annual population size for 5 consecutive years for minimally two of the scavenging seabird species;
• ET4: For each of the scavenging seabirds species, are the mean densities over 5 consecutive years not below the minimum defined by the Birds Directive favourable conservation status
Two sub-programmes can be discerned:
• ANSBE-D1, 4 Birds-SP1 (delivering data to assess ET1), targeting the number of nesting gulls and terns in the port of Zeebrugge and other coastal breeding sites;
• ANSBE-D1, 4 Birds-SP2 (delivering data to assess ET2 to 4), targeting ship-based seabird counts
covering the Eastern part of the Belgian North Sea with at least 1 count per month |
The Belgian MSFD monitoring programme ‘Biodiversity – Birds’ aims at assessing the following ETs:
• ET1 : Changes in breeding seabird abundance remain within target limits for 75% of the species monitored;
• ET2: The 5 year running mean species density is not below the long-term mean annual population size for 5 consecutive years for minimally half of the non-scavenging seabird species;
• ET3: The 5 year running mean species density is not above the long-term mean annual population size for 5 consecutive years for minimally two of the scavenging seabird species;
• ET4: For each of the scavenging seabirds species, are the mean densities over 5 consecutive years not below the minimum defined by the Birds Directive favourable conservation status
Two sub-programmes can be discerned:
• ANSBE-D1, 4 Birds-SP1 (delivering data to assess ET1), targeting the number of nesting gulls and terns in the port of Zeebrugge and other coastal breeding sites;
• ANSBE-D1, 4 Birds-SP2 (delivering data to assess ET2 to 4), targeting ship-based seabird counts
covering the Eastern part of the Belgian North Sea with at least 1 count per month |
The Belgian MSFD monitoring programme ‘Biodiversity - Fish and cephalopods’ aims at assessing the following ET:
• ET 6: Positive trend in the number of individuals of thornback ray Raja clavata
One sub-programmes can be discerned:
• ANSBE- D1,4 Fish-SP3 (delivering data to assess ET6), targeting the quantification of the number of thornback rays through the BTS and the DYFS surveys |
The Belgian MSFD monitoring programme ‘Biodiversity - mammals and reptiles’ aims at assessing the following ET:
• ET 5: The yearly number of incidentally bycaught harbour porpoises Phocoena phocoena is less than 1,7 % of the best estimate of the population size
One sub-programmes can be discerned:
• ANSBE-D1, 4 Mammals-SP4 (delivering data to assess ET5), targeting different data sources to estimate the rate of incidentally caught harbour porpoises in Belgium vs. the average population size in Belgian waters. |
The Belgian MSFD monitoring programme ‘Biodiversity - seabed habitats’ aims at assessing the following ETs:
• ET7 : The spatial extent and distribution of the EUNIS level 3 habitats (sandy mud to mud, muddy sands to sands and coarse grained sediments), as well as that of gravel beds fluctuate - relative to the reference state as described in Initial Assessment - within a margin limited to the accuracy of the current distribution maps
• ET10: The Ecological Quality Ratio as determined by BEQI, indicative for benthic ecosystem structure and quality, has a minimum value of 0,60 in each of the habitat types
• ET11: Positive trend in median adult density (or frequency of occurrence) of at least one species within the long-lived and/or slowly reproducing and key engineering benthic species groups in both mud to muddy sands and pure fine to coarse sands
• ET12: Spring median benthic bioturbation potential (BPc) in the Abra alba habitat type is higher than 100
• ET13: Positive trend in median colony/body size of the sessile, long-lived and/or larger benthic species Buccinum undatum, Mytilus edulis, Flustra foliacea, Haliclona oculata and Alcyonium digitatum
• ET14 – Positive trend in frequency of occurrence and median adult density of at least half of the key and long-lived species Ostrea edulis, Sabellaria spinulosa, Mytilus edulis, Buccinum undatum, Haliclona oculata, Alcyonium digitatum and Alcyonidium spp
• ET15 – No loss or positive trend in species richness within all key hard substrate taxa, i.e. Porifera, Cnidaria, Bryozoa, Polychaeta, Malacostraca, Maxillopoda, Gastropoda, Bivalvia, Echinodermata and Ascidiacea
• ET16 – Decreasing relative frequency of occurrence of damaged Asterias rubens (2+ cm arm length) and tube clusters of Pomatoceros triqueter, indicative for physical disturbance of the bottom (= pressure indicator), as to enhance natural development of the gravel bed ecosystem (= desired state)
• ET17: For each of the scavenging seabirds species, are the mean densities over 5 consecutive years not below the minimum defined by the Birds Directive favourable conservation status
Six sub-programmes can be discerned:
• ANSBE-D1, 4, 6 Seabed-SP5 (delivering data to assess ET7), targeting a full-coverage seabed and transect seabed mapping of selected areas at EUNIS level 3;
• ANSBE-D1, 4, 6 Seabed-SP6 (delivering data to assess ET10), targeting the quantification of a composite index based on density, biomass, species richness and species composition of the macrobenthos at selected stations in the BPNS;
• ANSBE-D1, 4, 6 Seabed-SP7 (delivering data to assess ET11), targeting the quantification of long-lived and key engineering benthic species density at selected stations in the BPNS;
• ANSBE-D1, 4, 6 Seabed-SP8 (delivering data to assess ET12), targeting the quantification of the macrobenthic community bioturbation potential at selected stations in the BPNS;
• ANSBE-D1, 4, 6 Seabed-SP9 (delivering data to assess ET13 to 16), targeting body/colony size of characteristic hard substrate species, frequency of occurrence and densities in a non-bottom fisheries-impacted, a low impacted and regular fisheries-impacted area;
• ANSBE-D1, 4, 6 Seabed-SP10 (delivering data to assess ET17), targeting multibeam bathymetry and backscatter measurements in combination with visual observations and seabed sampling in a gravel bed in the Hinder Banks region and a gravel bed in the Flemish Banks region |
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| Q5e - Natural variability |
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| Q5d - Adequacy for assessment of GES | Q5d - Adequate data | Y |
Y |
Y |
Y |
N |
| Q5d - Adequacy for assessment of GES | Q5d - Established methods | Y |
Y |
Y |
N |
Y |
| Q5d - Adequacy for assessment of GES | Q5d - Adequate understanding of GES | Y |
Y |
Y |
Y |
Y |
| Q5d - Adequacy for assessment of GES | Q5d - Adequate capacity | Y |
Y |
Y |
Y |
Y |
| Q5f - Description of programme for GES assessment | ||||||
| Q5g - Gap-filling date for GES assessment | By2014 |
By2014 |
By2014 |
By2018 |
By2018 |
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| Q5h - Plans to implement monitoring for GES assessment |
N.A.
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N.A.
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N.A.
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The link between bycatch rate in stranded porpoises and porpoises at sea will be investigated through national scientific projects. |
A research proposal has been submitted to the Belgian Science Policy Office to strengthen capacity to develop improved methods and strategies for the acoustic mapping of seabed/habitat types in a monitoring context, hence emphasising on quantifying uncertainties in the mapping process needed for accurate change detection |
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| Q6a -Relevant targets | Q6a - Environmental target | Target 1 Target 2 Target 3 Target 4 |
Target 1 Target 2 Target 3 Target 4 |
Target 6 |
Target 5 |
Target 7 Target 10 Target 11 Target 12 Target 13 Target 14 Target 15 Target 16 Target 17 |
| Q6a -Relevant targets | Q6a - Associated indicator | Target 1 Target 2 Target 3 Target 4 |
Target 1 Target 2 Target 3 Target 4 |
Target 6 |
Target 5 |
Target 7 Target 10 Target 11 Target 12 Target 13 Target 14 Target 15 Target 16 Target 17 |
| Q6b - Adequacy for assessment of targets | Q6b_SuitableData | Y |
Y |
Y |
Y |
Y |
| Q6b - Adequacy for assessment of targets | Q6b_EstablishedMethods | Y |
Y |
Y |
N |
N |
| Q6b - Adequacy for assessment of targets | Q6d_AdequateCapacity | Y |
Y |
Y |
Y |
N |
| Q6c - Target updating | N |
N |
N |
N |
N |
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| Q6d - Description of programme for targets assessment |
N.A.
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N.A.
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N.A.
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N.A.
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N.A.
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| Q6e - Gap-filling date for targets assessment | By2014 |
By2014 |
By2014 |
By2018 |
By2018 |
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| Q6f - Plans to implement monitoring for targets assessment |
N.A.
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N.A.
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N.A.
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The link between bycatch rate in stranded porpoises and porpoises at sea will be investigated through national scientific projects |
A research proposal has been submitted to the Belgian Science Policy Office to strengthen capacity to develop improved methods and strategies for the acoustic mapping of seabed/habitat types in a monitoring context, hence emphasising on quantifying uncertainties in the mapping process needed for accurate change detection |
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| Q7a - Relevant activities | ||||||
| Q7b - Description of monitoring of activities | ||||||
| Q7c - Relevant measures | ||||||
| Q7e - Adequacy for assessment of measures | Q7d - Adequate data | |||||
| Q7e - Adequacy for assessment of measures | Q7d - Established methods | |||||
| Q7e - Adequacy for assessment of measures | Q7d - Adequate understanding of GES | |||||
| Q7e - Adequacy for assessment of measures | Q7d - Adequate capacity | |||||
| Q7e - Adequacy for assessment of measures | Q7d - Addresses activities and pressures | |||||
| Q7e - Adequacy for assessment of measures | Q7d - Addresses effectiveness of measures | |||||
| Q7d - Description of monitoring for measures | ||||||
| Q7f - Gap-filling date for activities and measures | By2014 |
By2014 |
By2014 |
By2014 |
By2014 |
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| Q8a - Links to existing Monitoring Programmes |
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| Reference sub-programme | Sub-programme ID | |||||
| Reference sub-programme | Sub-programme name | Mobile species - abundance and/or biomass |
Mobile species - abundance and/or biomass |
Mobile species - population characteristics |
Mobile species - mortality/injury rates from fisheries (targeted and/or incidental) |
Seabed habitats - distribution and extent |
| Q4g - Sub-programmes | Sub-programme ID | |||||
| Q4g - Sub-programmes | Sub-programme name | Mobile species - abundance and/or biomass |
Mobile species - abundance and/or biomass |
Mobile species - population characteristics |
Mobile species - mortality/injury rates from fisheries (targeted and/or incidental) |
Seabed habitats - distribution and extent |
| Q4k - Monitoring purpose | ||||||
| Q4l - Links of monitoring programmes of other Directives and Conventions | ||||||
| Q5c - Features | Q5c - Habitats | |||||
| Q5c - Features | Q5c - Species list |
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| Q5c - Features | Q5c - Physical/Chemical features |
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| Q5c - Features | Q5c - Pressures |
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| Q9a - Elements | ||||||
| Q5a - GES criteria | Relevant GES criteria |
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| Q5b - GES indicators | Relevant GES indicators |
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| Q9b - Parameters monitored (state/impact) | Species distribution | |||||
| Q9b - Parameters monitored (state/impact) | Species population size | |||||
| Q9b - Parameters monitored (state/impact) | Species population characteristics | |||||
| Q9b - Parameters monitored (state/impact) | Species impacts | |||||
| Q9b - Parameters monitored (state/impact) | Habitat distribution | |||||
| Q9b - Parameters monitored (state/impact) | Habitat extent | |||||
| Q9b - Parameters monitored (state/impact) | Habitat condition (physical-chemical) | |||||
| Q9b - Parameters monitored (state/impact) | Habitat condition (biological) | |||||
| Q9b - Parameters monitored (state/impact) | Habitat impacts | |||||
| Q9b - Parameters monitored (pressures) | Pressure input | |||||
| Q9b - Parameters monitored (pressures) | Pressure output | |||||
| Q9b - Parameters monitored (activity) | Activity | |||||
| Q9b Parameters monitored (other) | Other | |||||
| Q41 Spatial scope | ||||||
| Q4j - Description of spatial scope | ||||||
| Marine Unit IDs |
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| Q4h - Temporal scope | Start date- End date | - |
- |
- |
- |
- |
| Q9h - Temporal resolution of sampling | ||||||
| Q9c - Monitoring method | ||||||
| Q9d - Description of alteration to method | ||||||
| Q9e - Quality assurance | ||||||
| Q9f - Quality control | ||||||
| Q9g - Spatial resolution of sampling | Q9g - Proportion of area covered % | |||||
| Q9g - Spatial resolution of sampling | Q9g - No. of samples | |||||
| Q9i - Description of sample representivity | ||||||
| Q10a - Scale for aggregation of data | ||||||
| Q10b - Other scale for aggregation of data | ||||||
| Q10c - Access to monitoring data | Q10c - Data type | |||||
| Q10c - Access to monitoring data | Q10c - Data access mechanism | |||||
| Q10c - Access to monitoring data | Q10c - Data access rights | |||||
| Q10c - Access to monitoring data | Q10c - INSPIRE standard | |||||
| Q10c - Access to monitoring data | Q10c Date data are available | |||||
| Q10c - Access to monitoring data | Q10c - Data update frequency | |||||
| Q10d - Description of data access | ||||||
Descriptor |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
D1.4 |
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Monitoring strategy description |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
The monitoring focuses on in situ data collection of biological data of species and habitats typical for demersal fisheries (mainly beam trawl) and has been approved by the EU under the Data Collection Framework. The methodology to collect the data and to assess the quality are coordinated and agreed on under the regional approach of the European Data Collection Framework (Regional Coordination Groups). |
Coverage of GES criteria |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Gaps and plans |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Focus is put on demersal species and beam trawl fisheries; the other fleet segments are not selected for monitoring. The selection of the segments and species is according to rules & procedures established and agreed by the EU (and regionally coordinated). |
Related targets |
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Coverage of targets |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Related measures |
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Coverage of measures |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Adequate monitoring was in place in 2014 |
Related monitoring programmes |
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Programme code |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P11-Fish-2-commercial |
ANSBE-P3-Fish-1-population |
ANSBE-P3-Fish-1-population |
ANSBE-P3-Fish-1-population |
ANSBE-P3-Fish-1-population |
Programme name |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fisheries-dependent observer-at-sea programme - Common Fisheries Policy |
Fish - scientific surveys - Common Fisheries Policy |
Fish - scientific surveys - Common Fisheries Policy |
Fish - scientific surveys - Common Fisheries Policy |
Fish - scientific surveys - Common Fisheries Policy |
Update type |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Modified from 2014 |
Old programme codes |
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Programme description |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Fisheries Observer Programme:
On commercial vessels, a sea-going observer collects data on species, numbers, length and weight of the caught fish. Samples are brought to the lab for individual analysis of length, weight, sex, maturity and age. The observer also documents recordings of certain bycatch species (protected fish, birds, turtles or mammals).
Based on the selection criteria described by the Data Collection Framework (DCF), and considering the importance of the Belgian beam trawl fleet targeting demersal species (TBB_DEF), Belgium focusses on the collection of fishery-dependent data for this fleet (both fleet segments TBB_DEF_>221 kW and TBB_DEF_<=221 kW coastal vessels and euro cutters). For the beam trawl targeting crustaceans (TBB_CRU), representing 5% of the landings, Belgium has obtained a derogation in area IV (North Sea) and VIId (Eastern English Channel). For the bottom otter trawls (OTB) in VIIfg (Celtic Sea and Bristol Channel), Belgium also obtained a derogation. Thus, both are not included in the monitoring programme. Setting up discard sampling programmes for this fishery is disproportionate compared to the added value to the international data collection. Moreover, it is of limited importance to the Belgian fisheries (8% of landings).
The remaining fisheries such as Scottish seine (SSC), Boat dredge (DRB), trammel nets (GTR) and gill nets (GNS) were also not included because 1) they comprise less than 10% of the landings; 2) the number of vessels within these fleets is often too small to guarantee privacy of the collected data and/or 3) there is no space for taking observers on board.
The two fleet segments (TBB_DEF_>221 kW and TBB_DEF_<=221 kW) are treated as two separate strata in the Belgian at sea sampling programme. Catch information (landings and discards are covered) is obtained through on-board observation. Four ILVO observers assure a sampling coverage of on average 1% of all fishing hours (approximately 40 trips on an annual basis). The sampling effort targets for one year are set at 8 trips for the TBB_DEF_<=221 kW fleet segment and 34 trips for the TBB_DEF_>221 kW fleet segment.
This programme contributes to environmental targets D3.1, D3.2, D3.3, D3.4 and D1.4. (former programme ANSBE-D3-Commercial-fish-SP13 ) |
Two types of data are collected:
1. North Sea Beam Trawl Survey (BTS)
The Belgian offshore beam trawl survey with RV Belgica, collecting fisheries-independent data primarily for plaice (Pleuronectes platessa) and sole (Solea solea) in the North Sea (area IVb,c), started in 1992. The continuous time-series using a 4m-beam trawl as standard gear, started in 1993. The main objectives of the BTS are:
• creation of fisheries-independent stock estimates for plaice (Pleuronectes platessa) and sole (Solea solea) in the sampled area
• collection of data on all fish species for ecosystem purposes
• collection of data on epibenthos species for ecosystem purposes
2. Demersal Young Fish Survey (DYFS)
As part of the international Demersal Young Fish and Brown Shrimp Survey, an annual autumn (quarter 3) DYFS survey is carried out with RV Simon Stevin in the Belgian coastal waters by ILVO.
The main objective of the DYFS is to collect data on the abundance and distribution of juvenile flatfish (primarily plaice and sole) and brown shrimp (Crangon crangon).
Fish survey information needs to be collected in a standardized and fishery-independent way, to serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Since 1973, 33 fixed sampling stations have been fished in this way on an annual basis by ILVO, with a geographical match of the sampling stations with the main flatfish and brown shrimp nursery grounds along the Belgian coast. Following the Data Collection Framework (DCF), the DYFS is also an ecosystem survey.
Belgium (ILVO) has been actively participating in the ICES Working Group on Beam Trawl Surveys (WGBEAM), where inshore (DYFS) and offshore (BTS) beam trawl surveys are coordinated and further standardisation is aimed for. For the North Sea, only the survey indices of the four countries listed are used in WGBEAM.
This programme contributes to the environmental targets D3.1, D3.2, D3.3 and D1.4. (Former programme ANSBE-D1-4-Fish-SP3) |
Two types of data are collected:
1. North Sea Beam Trawl Survey (BTS)
The Belgian offshore beam trawl survey with RV Belgica, collecting fisheries-independent data primarily for plaice (Pleuronectes platessa) and sole (Solea solea) in the North Sea (area IVb,c), started in 1992. The continuous time-series using a 4m-beam trawl as standard gear, started in 1993. The main objectives of the BTS are:
• creation of fisheries-independent stock estimates for plaice (Pleuronectes platessa) and sole (Solea solea) in the sampled area
• collection of data on all fish species for ecosystem purposes
• collection of data on epibenthos species for ecosystem purposes
2. Demersal Young Fish Survey (DYFS)
As part of the international Demersal Young Fish and Brown Shrimp Survey, an annual autumn (quarter 3) DYFS survey is carried out with RV Simon Stevin in the Belgian coastal waters by ILVO.
The main objective of the DYFS is to collect data on the abundance and distribution of juvenile flatfish (primarily plaice and sole) and brown shrimp (Crangon crangon).
Fish survey information needs to be collected in a standardized and fishery-independent way, to serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Since 1973, 33 fixed sampling stations have been fished in this way on an annual basis by ILVO, with a geographical match of the sampling stations with the main flatfish and brown shrimp nursery grounds along the Belgian coast. Following the Data Collection Framework (DCF), the DYFS is also an ecosystem survey.
Belgium (ILVO) has been actively participating in the ICES Working Group on Beam Trawl Surveys (WGBEAM), where inshore (DYFS) and offshore (BTS) beam trawl surveys are coordinated and further standardisation is aimed for. For the North Sea, only the survey indices of the four countries listed are used in WGBEAM.
This programme contributes to the environmental targets D3.1, D3.2, D3.3 and D1.4. (Former programme ANSBE-D1-4-Fish-SP3) |
Two types of data are collected:
1. North Sea Beam Trawl Survey (BTS)
The Belgian offshore beam trawl survey with RV Belgica, collecting fisheries-independent data primarily for plaice (Pleuronectes platessa) and sole (Solea solea) in the North Sea (area IVb,c), started in 1992. The continuous time-series using a 4m-beam trawl as standard gear, started in 1993. The main objectives of the BTS are:
• creation of fisheries-independent stock estimates for plaice (Pleuronectes platessa) and sole (Solea solea) in the sampled area
• collection of data on all fish species for ecosystem purposes
• collection of data on epibenthos species for ecosystem purposes
2. Demersal Young Fish Survey (DYFS)
As part of the international Demersal Young Fish and Brown Shrimp Survey, an annual autumn (quarter 3) DYFS survey is carried out with RV Simon Stevin in the Belgian coastal waters by ILVO.
The main objective of the DYFS is to collect data on the abundance and distribution of juvenile flatfish (primarily plaice and sole) and brown shrimp (Crangon crangon).
Fish survey information needs to be collected in a standardized and fishery-independent way, to serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Since 1973, 33 fixed sampling stations have been fished in this way on an annual basis by ILVO, with a geographical match of the sampling stations with the main flatfish and brown shrimp nursery grounds along the Belgian coast. Following the Data Collection Framework (DCF), the DYFS is also an ecosystem survey.
Belgium (ILVO) has been actively participating in the ICES Working Group on Beam Trawl Surveys (WGBEAM), where inshore (DYFS) and offshore (BTS) beam trawl surveys are coordinated and further standardisation is aimed for. For the North Sea, only the survey indices of the four countries listed are used in WGBEAM.
This programme contributes to the environmental targets D3.1, D3.2, D3.3 and D1.4. (Former programme ANSBE-D1-4-Fish-SP3) |
Two types of data are collected:
1. North Sea Beam Trawl Survey (BTS)
The Belgian offshore beam trawl survey with RV Belgica, collecting fisheries-independent data primarily for plaice (Pleuronectes platessa) and sole (Solea solea) in the North Sea (area IVb,c), started in 1992. The continuous time-series using a 4m-beam trawl as standard gear, started in 1993. The main objectives of the BTS are:
• creation of fisheries-independent stock estimates for plaice (Pleuronectes platessa) and sole (Solea solea) in the sampled area
• collection of data on all fish species for ecosystem purposes
• collection of data on epibenthos species for ecosystem purposes
2. Demersal Young Fish Survey (DYFS)
As part of the international Demersal Young Fish and Brown Shrimp Survey, an annual autumn (quarter 3) DYFS survey is carried out with RV Simon Stevin in the Belgian coastal waters by ILVO.
The main objective of the DYFS is to collect data on the abundance and distribution of juvenile flatfish (primarily plaice and sole) and brown shrimp (Crangon crangon).
Fish survey information needs to be collected in a standardized and fishery-independent way, to serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Since 1973, 33 fixed sampling stations have been fished in this way on an annual basis by ILVO, with a geographical match of the sampling stations with the main flatfish and brown shrimp nursery grounds along the Belgian coast. Following the Data Collection Framework (DCF), the DYFS is also an ecosystem survey.
Belgium (ILVO) has been actively participating in the ICES Working Group on Beam Trawl Surveys (WGBEAM), where inshore (DYFS) and offshore (BTS) beam trawl surveys are coordinated and further standardisation is aimed for. For the North Sea, only the survey indices of the four countries listed are used in WGBEAM.
This programme contributes to the environmental targets D3.1, D3.2, D3.3 and D1.4. (Former programme ANSBE-D1-4-Fish-SP3) |
Monitoring purpose |
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Other policies and conventions |
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Regional cooperation - coordinating body |
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Regional cooperation - countries involved |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
DE,DK,ES,FR,IE,NL,PT,UK |
BE,DE,NL,UK |
BE,DE,NL,UK |
BE,DE,NL,UK |
BE,DE,NL,UK |
Regional cooperation - implementation level |
Agreed data collection methods |
Agreed data collection methods |
Agreed data collection methods |
Agreed data collection methods |
Agreed data collection methods |
Agreed data collection methods |
Agreed data collection methods |
Coordinated data collection |
Coordinated data collection |
Coordinated data collection |
Coordinated data collection |
Monitoring details |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
The primary sampling unit (PSU) in the Belgian at sea sampling programme is vessel x trip (as a proxy for trip).
A vessel x trip (PSU) for the TBB_DEF_>221 kW fleet segment is selected ad hoc or standard quota sampling is conducted (non-probability-based sampling). The vessels that are willing to take observers onboard and those that are logistically suited, are included in the vessel list, that currently contains ± 15 vessels over which the sampling will be spread. ILVO introduced 2 types of sampling:
1. Ad hoc sampling: for those strata with a lower sampling coverage (based on previous years)
2. Quota sampling: sampling effort is proportionally to the fleet effort (based on previous year)
A vessel x trip (PSU) for the TBB_DEF_<=221 kW fleet segment is selected ad hoc. More than half of TBB_DEF vessels with a capacity <=221 kW flying the Belgian flag are regularly fishing for shrimp (TBB_CRU). Belgium has a derogation for sampling the TBB_CRU métier until the end of 2021. The TBB_DEF_<=221 kW vessel list proved too small to ensure random PSU selection. Therefore, ad hoc sampling of 2 euro cutters and 2 coastal vessels is carried out.
The observer coordinator keeps track of the vessels in the vessel list but ILVO considers collecting non-responses and refusals on PSU (trip) level not relevant.
Every other haul is sampled by an observer. For the TBB_DEF_<=221 kW fleet segment, the aim is to sample all hauls during the short trips of the coastal vessels. The crew sorts the marketable fish from the conveyor belt. In the meantime, the observer is sampling the discarded fraction of the catch by sorting all commercially important species. The total weight per species in each haul is determined and lengths are measured. When a species is extremely abundant, a smaller representative subsample (TSU) is measured. The marketable part of the catch (landings) is sampled later on in the same way as the discarded part of the catch.
For selected species (depending on the area), otoliths from minimum 3 fish per cm-size class per species per area, are collected (except for 1 fish per cm-size class for cod) for age estimations. Otoliths are collected throughout the whole trip (several hauls) until the quota for otoliths is achieved. For the discarded part of the catch, otoliths are being removed on board. For the retained part (landings) of the catch, the fish are purchased.
Coordination takes place within the Regional Coordination Groups (RCG NA/RCG NSE). |
1. BTS
During the BTS 62 fixed stations are fished for 30 min at 4 knots using a beam trawl as standard gear (beam length 4 m, cod-end mesh size 40 mm). Although the target species are plaice and sole, all fish and commercially important cephalopods and crustaceans are sorted, weighed and measured since 2010. Since 2009, a subsample of the catch is taken of which all epibenthic species are recorded in numbers and sample weight.
The data collected during the BTS are used in analytical population studies of several species/stocks, mainly serving as tuning indices in the stock assessments leading to the fishing quota. Additionally, several other investigations are planned, such as (a) the construction of "age-length-keys" for a number of commercially important flatfish, and (b) documenting distribution and abundance of all commercial and non-commercial (bycatch) invertebrate species.
2. DYFS
All 33 DYFS sampling stations are fished for approximately 30 min, with a standard shrimp beam trawl (beam length 6 m; cod-end mesh size 22 mm, no tickler chains), at 3 knots against tide. Several fish species (cod, whiting, plaice, flounder, dab, sole, brill and turbot) are hand-picked from the catches, sorted by species, weighed and measured in mm (by the in-house developed SmartFish measuring board). From 2009 onwards, the species list was extended to cover a larger range of commercial fish species (e.g. including lesser spotted dogfish, gurnards, lemon sole, horse mackerel, etc.). In this way, a total of 18 species are documented. From 2018 onwards, the species list has been extended with all elasmobranch species that are weighed and measured (by sex). The brown shrimp from the catches are first sorted into a ‘small’ and ‘large’ fraction by means of a rotating shrimp riddle (same type used on commercial shrimp trawlers). From each of these two fractions, 1-2 liter samples are taken (depending on the amount of shrimp and other organisms in the fractions). Samples are further sub-sampled in the lab to approximately 250 shrimps, which are then measured in mm using an in-house developed system. |
1. BTS
During the BTS 62 fixed stations are fished for 30 min at 4 knots using a beam trawl as standard gear (beam length 4 m, cod-end mesh size 40 mm). Although the target species are plaice and sole, all fish and commercially important cephalopods and crustaceans are sorted, weighed and measured since 2010. Since 2009, a subsample of the catch is taken of which all epibenthic species are recorded in numbers and sample weight.
The data collected during the BTS are used in analytical population studies of several species/stocks, mainly serving as tuning indices in the stock assessments leading to the fishing quota. Additionally, several other investigations are planned, such as (a) the construction of "age-length-keys" for a number of commercially important flatfish, and (b) documenting distribution and abundance of all commercial and non-commercial (bycatch) invertebrate species.
2. DYFS
All 33 DYFS sampling stations are fished for approximately 30 min, with a standard shrimp beam trawl (beam length 6 m; cod-end mesh size 22 mm, no tickler chains), at 3 knots against tide. Several fish species (cod, whiting, plaice, flounder, dab, sole, brill and turbot) are hand-picked from the catches, sorted by species, weighed and measured in mm (by the in-house developed SmartFish measuring board). From 2009 onwards, the species list was extended to cover a larger range of commercial fish species (e.g. including lesser spotted dogfish, gurnards, lemon sole, horse mackerel, etc.). In this way, a total of 18 species are documented. From 2018 onwards, the species list has been extended with all elasmobranch species that are weighed and measured (by sex). The brown shrimp from the catches are first sorted into a ‘small’ and ‘large’ fraction by means of a rotating shrimp riddle (same type used on commercial shrimp trawlers). From each of these two fractions, 1-2 liter samples are taken (depending on the amount of shrimp and other organisms in the fractions). Samples are further sub-sampled in the lab to approximately 250 shrimps, which are then measured in mm using an in-house developed system. |
1. BTS
During the BTS 62 fixed stations are fished for 30 min at 4 knots using a beam trawl as standard gear (beam length 4 m, cod-end mesh size 40 mm). Although the target species are plaice and sole, all fish and commercially important cephalopods and crustaceans are sorted, weighed and measured since 2010. Since 2009, a subsample of the catch is taken of which all epibenthic species are recorded in numbers and sample weight.
The data collected during the BTS are used in analytical population studies of several species/stocks, mainly serving as tuning indices in the stock assessments leading to the fishing quota. Additionally, several other investigations are planned, such as (a) the construction of "age-length-keys" for a number of commercially important flatfish, and (b) documenting distribution and abundance of all commercial and non-commercial (bycatch) invertebrate species.
2. DYFS
All 33 DYFS sampling stations are fished for approximately 30 min, with a standard shrimp beam trawl (beam length 6 m; cod-end mesh size 22 mm, no tickler chains), at 3 knots against tide. Several fish species (cod, whiting, plaice, flounder, dab, sole, brill and turbot) are hand-picked from the catches, sorted by species, weighed and measured in mm (by the in-house developed SmartFish measuring board). From 2009 onwards, the species list was extended to cover a larger range of commercial fish species (e.g. including lesser spotted dogfish, gurnards, lemon sole, horse mackerel, etc.). In this way, a total of 18 species are documented. From 2018 onwards, the species list has been extended with all elasmobranch species that are weighed and measured (by sex). The brown shrimp from the catches are first sorted into a ‘small’ and ‘large’ fraction by means of a rotating shrimp riddle (same type used on commercial shrimp trawlers). From each of these two fractions, 1-2 liter samples are taken (depending on the amount of shrimp and other organisms in the fractions). Samples are further sub-sampled in the lab to approximately 250 shrimps, which are then measured in mm using an in-house developed system. |
1. BTS
During the BTS 62 fixed stations are fished for 30 min at 4 knots using a beam trawl as standard gear (beam length 4 m, cod-end mesh size 40 mm). Although the target species are plaice and sole, all fish and commercially important cephalopods and crustaceans are sorted, weighed and measured since 2010. Since 2009, a subsample of the catch is taken of which all epibenthic species are recorded in numbers and sample weight.
The data collected during the BTS are used in analytical population studies of several species/stocks, mainly serving as tuning indices in the stock assessments leading to the fishing quota. Additionally, several other investigations are planned, such as (a) the construction of "age-length-keys" for a number of commercially important flatfish, and (b) documenting distribution and abundance of all commercial and non-commercial (bycatch) invertebrate species.
2. DYFS
All 33 DYFS sampling stations are fished for approximately 30 min, with a standard shrimp beam trawl (beam length 6 m; cod-end mesh size 22 mm, no tickler chains), at 3 knots against tide. Several fish species (cod, whiting, plaice, flounder, dab, sole, brill and turbot) are hand-picked from the catches, sorted by species, weighed and measured in mm (by the in-house developed SmartFish measuring board). From 2009 onwards, the species list was extended to cover a larger range of commercial fish species (e.g. including lesser spotted dogfish, gurnards, lemon sole, horse mackerel, etc.). In this way, a total of 18 species are documented. From 2018 onwards, the species list has been extended with all elasmobranch species that are weighed and measured (by sex). The brown shrimp from the catches are first sorted into a ‘small’ and ‘large’ fraction by means of a rotating shrimp riddle (same type used on commercial shrimp trawlers). From each of these two fractions, 1-2 liter samples are taken (depending on the amount of shrimp and other organisms in the fractions). Samples are further sub-sampled in the lab to approximately 250 shrimps, which are then measured in mm using an in-house developed system. |
Features |
Extraction of, or mortality/injury to, wild species (by commercial and recreational fishing and other activities)
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Demersal shelf fish
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Demersal shelf fish
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Demersal shelf fish
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Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
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Commercially exploited fish and shellfish
|
Demersal shelf fish
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Demersal shelf fish
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Commercially exploited fish and shellfish
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Commercially exploited fish and shellfish
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Extraction of, or mortality/injury to, wild species (by commercial and recreational fishing and other activities)
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Demersal shelf fish
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Demersal shelf fish
|
Demersal shelf fish
|
Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Demersal shelf fish
|
Demersal shelf fish
|
Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
|
Extraction of, or mortality/injury to, wild species (by commercial and recreational fishing and other activities)
|
Demersal shelf fish
|
Demersal shelf fish
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Demersal shelf fish
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Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Demersal shelf fish
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Demersal shelf fish
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Commercially exploited fish and shellfish
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Commercially exploited fish and shellfish
|
|
Extraction of, or mortality/injury to, wild species (by commercial and recreational fishing and other activities)
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Demersal shelf fish
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Demersal shelf fish
|
Demersal shelf fish
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Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Commercially exploited fish and shellfish
|
Demersal shelf fish
|
Demersal shelf fish
|
Commercially exploited fish and shellfish
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Commercially exploited fish and shellfish
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Elements |
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GES criteria |
D1C1 |
D1C2 |
D1C3 |
D3C1 |
D3C2 |
D3C3 |
D1C2 |
D1C3 |
D3C2 |
D3C3 |
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Parameters |
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Parameter Other |
species composition |
ag |
species composition |
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Spatial scope |
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Marine reporting units |
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Temporal scope (start date - end date) |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
1973-9999 |
Monitoring frequency |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Yearly |
Monitoring type |
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Monitoring method |
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Monitoring method other |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
The protocol for the observer-at-sea programme can be found on smartfisheries.be (http://193.190.112.136/Portals/0/Publicaties/Protocol%20for%20at%20sea%20sampling%20programme%20ILVO%20-%202019.pdf?ver=2019-05-24-112532-673)
All the at sea sampling data (metadata and all biological data) are recorded with the electronic measuring board (developed by ILVO) and stored in a national database called ‘SmartFish’. |
Manual for the offshore Beam Trawl Surveys (Sisp-14)
The North Sea Beam Trawl survey (BTS) methods are described in the Manual for the Offshore Beam Trawl Surveys (ICES. 2019. Manual for the Offshore Beam Trawl Surveys, Version 3.4, April 2019, Working Group on Beam Trawl Surveys. 54pp. http://doi.org/10.17895/ices.pub.5353). The methods for the Demersal Young Fish Survey (DYFS) are not yet available. During the WGBEAM meeting in 2015, a draft manual of this inshore survey was initiated and discussed. The working group aims to finalise the manual during WGBEAM meetings in the period 2020-2022. |
Manual for the offshore Beam Trawl Surveys (Sisp-14)
The North Sea Beam Trawl survey (BTS) methods are described in the Manual for the Offshore Beam Trawl Surveys (ICES. 2019. Manual for the Offshore Beam Trawl Surveys, Version 3.4, April 2019, Working Group on Beam Trawl Surveys. 54pp. http://doi.org/10.17895/ices.pub.5353). The methods for the Demersal Young Fish Survey (DYFS) are not yet available. During the WGBEAM meeting in 2015, a draft manual of this inshore survey was initiated and discussed. The working group aims to finalise the manual during WGBEAM meetings in the period 2020-2022. |
Manual for the offshore Beam Trawl Surveys (Sisp-14)
The North Sea Beam Trawl survey (BTS) methods are described in the Manual for the Offshore Beam Trawl Surveys (ICES. 2019. Manual for the Offshore Beam Trawl Surveys, Version 3.4, April 2019, Working Group on Beam Trawl Surveys. 54pp. http://doi.org/10.17895/ices.pub.5353). The methods for the Demersal Young Fish Survey (DYFS) are not yet available. During the WGBEAM meeting in 2015, a draft manual of this inshore survey was initiated and discussed. The working group aims to finalise the manual during WGBEAM meetings in the period 2020-2022. |
Manual for the offshore Beam Trawl Surveys (Sisp-14)
The North Sea Beam Trawl survey (BTS) methods are described in the Manual for the Offshore Beam Trawl Surveys (ICES. 2019. Manual for the Offshore Beam Trawl Surveys, Version 3.4, April 2019, Working Group on Beam Trawl Surveys. 54pp. http://doi.org/10.17895/ices.pub.5353). The methods for the Demersal Young Fish Survey (DYFS) are not yet available. During the WGBEAM meeting in 2015, a draft manual of this inshore survey was initiated and discussed. The working group aims to finalise the manual during WGBEAM meetings in the period 2020-2022. |
Quality control |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISISO17025
An own developed national standard, approved by regional coordination and EC, Real and Delayed Validation
For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. |
ISO17025
A national developed quality control standard (during and after the survey). |
ISO17025
A national developed quality control standard (during and after the survey). |
ISO17025
A national developed quality control standard (during and after the survey). |
ISO17025
A national developed quality control standard (during and after the survey). |
Data management |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Data (trip, haul, samples) is stored at ILVO in the in-house database ‘Smartfish'. On a yearly basis, aggregated data products are provided to ICES for use in stock assessments. For quality assurance and analyses (e.g. raising) of the catch data, integrated checks in Smartfish, powerBI desktop and several R scripts (o.a. COST packages) are used. The data products serve as input data when running models to make prognoses for the fishing opportunities in the following years and calculating the fishing quota. Outcomes are the scientific advice sheets that can be consulted on the ICES website (https://www.ices.dk/community/advisory-process/Pages/Latest-Advice.aspx). |
Indices of the abundance and biomass of adult flatfishes (mainly plaice and sole) are calculated by means of stratified tows in the southern and central North Sea. The results are incorporated in the survey database DATRAS, the databases of trawl surveys of ICES (www.datras.ices.dk).
Currently, all Belgian survey data are stored at ILVO. The most recent data is stored in the national database of Smartfish. The data is expected to be uploaded to DATRAS on a yearly basis. The Belgian BTS data (2004-2019) and DYFS data (2011-2019) are already available in DATRAS. The historical DYFS- data (prior to 2011) and BTS data (1992-2003) are being prepared for uploading to DATRAS.
Latest reports can be found on the website of WGBEAM (https://www.ices.dk/community/groups/Pages/WGBEAM.aspx), and in the case of the BTS on the RV BELGICA website ( https://odnature.naturalsciences.be/belgica/nl/campaign/1712) or for the DYFS on the MIDAS website (http://www.vliz.be/vmdcdata/midas/cruise.php?selectedcamp=103&showcamp=1). |
Indices of the abundance and biomass of adult flatfishes (mainly plaice and sole) are calculated by means of stratified tows in the southern and central North Sea. The results are incorporated in the survey database DATRAS, the databases of trawl surveys of ICES (www.datras.ices.dk).
Currently, all Belgian survey data are stored at ILVO. The most recent data is stored in the national database of Smartfish. The data is expected to be uploaded to DATRAS on a yearly basis. The Belgian BTS data (2004-2019) and DYFS data (2011-2019) are already available in DATRAS. The historical DYFS- data (prior to 2011) and BTS data (1992-2003) are being prepared for uploading to DATRAS.
Latest reports can be found on the website of WGBEAM (https://www.ices.dk/community/groups/Pages/WGBEAM.aspx), and in the case of the BTS on the RV BELGICA website ( https://odnature.naturalsciences.be/belgica/nl/campaign/1712) or for the DYFS on the MIDAS website (http://www.vliz.be/vmdcdata/midas/cruise.php?selectedcamp=103&showcamp=1). |
Indices of the abundance and biomass of adult flatfishes (mainly plaice and sole) are calculated by means of stratified tows in the southern and central North Sea. The results are incorporated in the survey database DATRAS, the databases of trawl surveys of ICES (www.datras.ices.dk).
Currently, all Belgian survey data are stored at ILVO. The most recent data is stored in the national database of Smartfish. The data is expected to be uploaded to DATRAS on a yearly basis. The Belgian BTS data (2004-2019) and DYFS data (2011-2019) are already available in DATRAS. The historical DYFS- data (prior to 2011) and BTS data (1992-2003) are being prepared for uploading to DATRAS.
Latest reports can be found on the website of WGBEAM (https://www.ices.dk/community/groups/Pages/WGBEAM.aspx), and in the case of the BTS on the RV BELGICA website ( https://odnature.naturalsciences.be/belgica/nl/campaign/1712) or for the DYFS on the MIDAS website (http://www.vliz.be/vmdcdata/midas/cruise.php?selectedcamp=103&showcamp=1). |
Indices of the abundance and biomass of adult flatfishes (mainly plaice and sole) are calculated by means of stratified tows in the southern and central North Sea. The results are incorporated in the survey database DATRAS, the databases of trawl surveys of ICES (www.datras.ices.dk).
Currently, all Belgian survey data are stored at ILVO. The most recent data is stored in the national database of Smartfish. The data is expected to be uploaded to DATRAS on a yearly basis. The Belgian BTS data (2004-2019) and DYFS data (2011-2019) are already available in DATRAS. The historical DYFS- data (prior to 2011) and BTS data (1992-2003) are being prepared for uploading to DATRAS.
Latest reports can be found on the website of WGBEAM (https://www.ices.dk/community/groups/Pages/WGBEAM.aspx), and in the case of the BTS on the RV BELGICA website ( https://odnature.naturalsciences.be/belgica/nl/campaign/1712) or for the DYFS on the MIDAS website (http://www.vliz.be/vmdcdata/midas/cruise.php?selectedcamp=103&showcamp=1). |
Data access |
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Contact |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
Els Torreele, Institute for Agriculture, Fishery and Food research (ILVO) |
References |