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Project
Management of bycatch stocks in mixed fisheries
The identification of measures to protect by-catch species in mixed-fisheries management plans
A lot of effort is put each year into the management of commercially important target stocks. The focus in Probyfish, however, is on bycatch stocks which also have to be managed sustainably.
Background and Objective
The overall objective of the PROBYFISH project is to develop a modelling framework and a support tool to assess whether proposals for regionalised management measures are in accordance with the objectives of the CFP. The project addresses this task through th the development of agreed and robust methods to define target and bycatch species, identify the species for which TAC management of target species would be sufficient to ensure sustainable exploitation without additional safeguards, identify measures that will lead to the sustainable development of the bycatch stocks which are not sufficiently protected by target species TACs, produce agreed reference levels to safeguard stocks in accordance with the CFP and combine the results of all activities in a user-friendly and flexible tool.
Approach
In complex simulations with more than 100 fleets it is tested whether current fishing patterns already ensure a sustainable exploitation of bycatch stocks as long as target stocks are managed according to the MSY concept. If this is not the case, the spatial distribution of species and the bycatch in each fleet segment will be analysed to enable the suggestion of fit for purpose management measures (e.g., closed areas, effort reduction in specific fleet segments, adaptation of gears). In order to know when a certain bycatch stock is at risk, reference points will be tested that indicate when additional managment measures are needed.
Results
The final report can be viewed and downloaded via the following link: Probyfish final report
Project brief: Kempf A, Taylor MH, Püts M (2022) ProByFish - Management of bycatch stocks in mixed fisheries. Bremerhaven: Thünen Institute of Sea Fisheries, 2 p, Project Brief Thünen Inst 2022/05a, DOI:10.3220/PB1644241551000
Involved Thünen-Partners
Involved external Thünen-Partners
- Danish Technical University (DTU)
(Kopenhagen, Hirtshals, Charlottenlund, Dänemark) - Institut français de recherche pour l'exploitation de la mer (IFREMER)
(Brest, LHoumeau, Issy-les-Moulineaux, Nantes, Frankreich) - (Flanders Research) Institute for Agricultural and Fisheries Research, (ILVO)
(Oostende, Belgien) - Marine Institute (MI)
(Galway, Irland) - Wageningen University & Research (WUR)
(Wageningen, Niederlande)
Duration
5.2018 - 5.2021
More Information
Project status:
finished
Downloads
Project Brief: PROBYFISH Alexander Kempf, Marc Taylor, Miriam Püts (Project Brief 2022/05a): ProByFish – Management of bycatch stocks in mixed fisheries
415 KB
Publications
- 0
Fischer S, Mildenberger TK, O'Brien C, Amorim P, Balestri E, Berg CW, Biseau A, Borges L, Bouch P, Brock E, Carpi P, Cervino López S, Chatalov E, Chong L, Cooper A, Cope JM, Cordier AJR, Danby R, De Oliveira J, Taylor MH, et al (2023) Eleventh workshop on the development of quantitative assessment methodologies based on LIFE-history traits, exploitation characteristics, and other relevant parameters for data-limited stocks (WKLIFE XI). Copenhagen: ICES, v, 74 p, ICES Sci Rep 5(21), DOI:10.17895/ices.pub.22140260
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Orio A, Vansteenbrugge L, Batsleer J, Baudron A, Chen C, Cole H, De Oliveira J, Denechaud C, Girardin R, Halouani G, Haslob H, Holdgate AN, Jacobsen NS, Kempf A, Kokkalis A, Melis E, Mesquita C, Mesquita C, Miethe T, Taylor MH, et al (2023) Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak (WGNSSK). Copenhagen: ICES, xv, 1256 p, ICES Sci Rep 5(39), DOI:10.17895/ices.pub.22643143
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Kempf A, Taylor MH, Püts M (2022) ProByFish - Management of bycatch stocks in mixed fisheries. Bremerhaven: Thünen Institute of Sea Fisheries, 2 p, Project Brief Thünen Inst 2022/05a, DOI:10.3220/PB1644241551000
- 3
Kempf A, Taylor MH, Püts M (2022) ProByFish - Management von Beifangarten in gemischten Fischereien. Bremerhaven: Thünen-Institut für Seefischerei, 2 p, Project Brief Thünen Inst 2022/05, DOI:10.3220/PB1644240983000
