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Discards in North Sea fisheries: causes,consequences and solutions
Affiliation:1. University of Santiago de Compostela, Faculty of Political and Social Sciences. Av. Angel Echevarry s/n., 15782 A Coruña, Spain;2. Campus Do*Mar, International Campus of Excellence, Spain;3. Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810–193 Aveiro, Portugal;4. Oceanlab, School of Biological Sciences, University of Aberdeen, Main Street, Newburgh, Aberdeenshire AB41 6AA, UK;5. Department of Environment and Planning & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810–193 Aveiro, Portugal;6. Lonxanet Foundation for Sustainable Fishing, A Coruña, Spain;7. University of Santiago de Compostela, Faculty of Economics and Business Administration. Av. Burgo das Nacións s/n., 15782 A Coruña, Spain;8. University of Vigo, Spain;9. ITAM, Centro de Investigación Económica, Av. Camino Santa Teresa 930, C.P. 10700 Mexico, D.F., Mexico;10. Universidade de Vigo, Departamento de Matemáticas, C/ Leonardo da Vinci s/n, 36310 Vigo, Spain;11. Centre of Marine Sciences (CCMAR), FCT-7, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal;12. University of British Columbia, Fisheries Economics Research Unit, Vancouver, Canada;13. Institut de Recherche pour le Développement, France;14. Instituto de Ciencias del Mar (ICM-CSIC), Barcelona, Spain;1. Instituto Español de Oceanografía, Centro Oceanográfico de Murcia, C/Varadero 1, San Pedro del Pinatar, 30740 Murcia, Spain
Abstract:Discards refer to that part of the catch returned to the sea during fishing operations. This study assesses the consequences, causes, and potential solutions to the discard problem using the example of North Sea fisheries. Fishermen's immediate objectives during fishing operations and the low confidence in projected gains from discard reduction measures have promoted use of unselective trawls while the poor enforcement of the quota system has exacerbated discard quantities. It is concluded that a reduction in discard rates is required for a long-term solution to the ecological and economic costs of discarding and the development of fishing opportunity incentives can promote the use of more selective fishing techniques.
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