Assessment of blue mussel mytilus edulis fisheries and waterbird shellfish-predator management in the Danish Wadden Sea
Ambio, ISSN: 0044-7447, Vol: 39, Issue: 7, Page: 476-485
2010
- 17Citations
- 87Captures
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Article Description
We assessed the blue mussel Mytilus edulis fishery management scheme introduced in 1994 in the Danish Wadden Sea that regulate fishing vessels, fishery quota, set-aside for mussel-eating birds and established zones closed to mussel fishery. The results showed (i) a reduction in the blue mussel biomass and mussel bed areas in zones closed to fishery, (ii) decrease in eiders Somateria mollissima numbers and increase or stable numbers for oystercatcher Haematopus ostralegus and herring gull Larus argentatus and (iii) that energy estimations based on ecological food requirements for the mussel-eating birds should be at least three times larger, than the amount set-aside in the mussel management scheme. It is concluded that the mussel management scheme had been unable to stabilize or increase the blue mussel stocks and to secure stable or increasing numbers for all target bird species. Thus, it is recommended to revise the present blue mussel management scheme in the Danish Wadden Sea, to continue and improve mussel stock and bird surveys, and to consider novel studies of the mussel-eating birds' energetics for improved set-aside estimates and future assessments. © Royal Swedish Academy of Sciences 2010.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77958074589&origin=inward; http://dx.doi.org/10.1007/s13280-010-0045-0; http://www.ncbi.nlm.nih.gov/pubmed/21090002; http://link.springer.com/10.1007/s13280-010-0045-0; https://dx.doi.org/10.1007/s13280-010-0045-0; https://link.springer.com/article/10.1007/s13280-010-0045-0; http://www.springerlink.com/index/10.1007/s13280-010-0045-0; http://www.springerlink.com/index/pdf/10.1007/s13280-010-0045-0
Springer Science and Business Media LLC
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