Member State report / Art8 / 2018 / D11 / Denmark / Baltic Sea

Report type Member State report to Commission
MSFD Article Art. 8 Initial assessment (and Art. 17 updates)
Report due 2018-10-15
GES Descriptor D11 Energy, incl. underwater noise
Member State Denmark
Region/subregion Baltic Sea
Reported by Danish Environmental Protection Agency
Report date 2019-08-30
Report access DK_ART8_GES_Merge_20190829.xml

Danish part of Baltic Sea from coastline to EEZ (BAL-DK-TOTAL)

GES component
D11
Feature
Continuous low frequency sound
Element
Element code
Element code source
Element 2
Element 2 code
Element 2 code source
Element source
Criterion
D11C2
Parameter
Underwater sound level
Parameter other
Threshold value upper
Threshold value lower
Threshold qualitative
Threshold value source
Not applicable
Threshold value source other
Value achieved upper
Value achieved lower
Value unit
Value unit other
Proportion threshold value
Proportion value achieved
Proportion threshold value unit
Trend
Unknown
Parameter achieved
Unknown
Description parameter
At present, there is insufficient knowledge of the effect of low frequency persistent noise on marine animals. Therefore, no thresholds have yet been set for which levels are compatible with good environmental conditions, either nationally or internationally. EU work is currently underway to set thresholds for low-frequency continuous sound.
Related indicator
Criteria status
Unknown
Description criteria
Element status
Description element
Integration rule type parameter
Not relevant
Integration rule description parameter
Integration rule type criteria
Not relevant
Integration rule description criteria
GES extent threshold
GES extent achieved
GES extent unit
GES achieved
Unknown
Description overall status
The distribution of low frequency sound from ships is modeled for the Baltic Sea area. Here we see a clear overlap between the large shipping routes and areas where the level of low frequency sound is the highest. It is also seen that several of the major shipping routes overlap with habitats for the Danish harbour porpoises populations as well as cod spawning areas. However, it is unknown whether this noise has a significant negative effect on the stocks.
Assessments period
2014
Related pressures
  • Continuous low frequency sound
Related targets
  • DK-T11.5
  • DK-T11.7