Working Group on Fisheries Benthic Impact and Trade-Offs (WGFBIT; outputs from 2021 meeting).
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Author
Pierucci, AndreaNguyen Xuan, Alessandra
Kraan, Casper
Bradshaw, Clare
Garcia, Clement
Mangano, Cristina
Smith, Chris
van Denderen, Daniel
Connor, David
Punzo, Elisa
de Borger, Emil
Beukhof, Esther
Di Bona, Gabriele
Van Hoey, Gert
Rava, Giada
Onay, Hatice
Tsikopoulou, Irini
Maina, Irida
Geert Hiddink, Jan
Gruduls, Janis
Depestele, Jochen
Egekvist, Josefine
Manuel González Irusta, José
Burgos, Julian
Tiano, Justin
van der Reyden, Karin
Soetaert, Karline
Sköld, Mattias
Penna, Marina
Pulcini, Marina
Delgado, Marina
Sciberras, Marija
Blomqvist, Mats
Canals Artigas, Miquel
Papadopoulou, Nadia
Laffargue, Pascal
Coleman, Paul
Martinez, Roi
Vaz, Sandrine
Raicevich, Sasa
Valanko, Sebastian
Vandevelde, Sebastiaan
Van Kooten, Tobias
Braeckman, Ulrike
Mobilia, Valera
Zupa, Walter
Corporate Author
International Coucil for the Exploration of the Sea (ICES)Date
2022Creative Commons
Attribution 4.0 International
Métadonnées
Afficher la notice complèteAbstract
The Working Group on Fisheries Benthic Impact and Trade-offs (WGFBIT) develops methods and performs assessments to evaluate benthic impact from fisheries at regional scale, while con-sidering fisheries and seabed impact trade-offs. In this report, new fishery benthic impact assessments are carried out for several sub-regions in the Mediterranean (Greek waters, South Adriatic Sea, Sicily waters). For other regions, updates of the whole assessment or specific steps only were presented. A standard advice sheet for the regional benthic assessments, intended as input to the next generation of the ICES Ecosystem and Fisheries Overviews, was finalised and compiled for some regions as example (Greek wa-ters, Baltic Sea). A validation of the longevity relationships using new data was executed for the Kattegat area and the Southern North Sea. In relation to the methodology, some recommenda-tions were formulated concerning the update on depletion rates, the use of epifauna- or infauna-based data, guidance on which set of epibenthic species to include and the time scale for setting the average swept-area-ratio (SAR) used in model fitting and assessment. A benchmarking pro-cess comparing available benthic impact assessment approaches for MSFD descriptor 6 “Seafloor integrity” is needed, as the WGFBIT approach (relative benthic state) is not the only way to assess benthic impacts from physical disturbances. A start was made to explore how to incorporate more explicitly ecosystem functioning in to the WGFBIT seafloor assessment methodology. An improved understanding of the relationships between total community biomass and ecosystem functioning may assist in setting acceptable thresholds for ecosystem impacts from trawling. Furthermore, an improved understanding of the link between species functional effect traits and proxies and processes for specific ecosystem functions could help increase our ability to predict the impact of fishing disturbance on benthic ecosystem functioning more accurately. The ecosys-tem function we focus on is the biogeochemical cycling of organic matter. Two approaches were discussed (i) Biological traits approach focusing on the linkage between biological traits and eco-system functions and (ii) biogeochemical modelling approach using the established the OMEXDIA model.Pages
133pp.Publisher or University
International Council for the Exploration of the SeaSeries : Nr
ICES Scientific Report; Vol. 4, Issue 9Resource/Dataset Location
ces.dk/sites/pub/Publication%20Reports/Expert%20Group%20Report/HAPISG/2022/Working%20Group%20on%20Fisheries%20Benthic%20Impact%20and%20Trade-offs%20(WGFBIT).pdf#search=%2E%20Working%20Group%20on%20Fisheries%20Benthic%20Impact%20aae974a485f413a2113503eed53cd6c53
http://doi.org/10.17895/ices.pub.10042
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