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Recreational sea fishing in Europe in a global context-Participation rates, fishing effort, expenditure, and implications for monitoring and assessment ArchiMer
Hyder, Kieran; Weltersbach, Marc Simon; Armstrong, Mike; Ferter, Keno; Townhill, Bryony; Ahvonen, Anssi; Arlinghaus, Robert; Baikov, Andrei; Bellanger, Manuel; Birzaks, Janis; Borch, Trude; Cambie, Giulia; De Graaf, Martin; Diogo, Hugo M. C.; Dziemian, Lukasz; Gordoa, Ana; Grzebielec, Ryszard; Hartill, Bruce; Kagervall, Anders; Kapiris, Kostas; Karlsson, Martin; Kleiven, Alf Ring; Lejk, Adam M.; Levrel, Harold; Lovell, Sabrina; Lyle, Jeremy; Moilanen, Pentti; Monkman, Graham; Morales-nin, Beatriz; Mugerza, Estanis; Martinez, Roi; O'Reilly, Paul; Olesen, Hans Jakob; Papadopoulos, Anastasios; Pita, Pablo; Radford, Zachary; Radtke, Krzysztof; Roche, William; Rocklin, Delphine; Ruiz, Jon; Scougal, Callum; Silvestri, Roberto; Skov, Christian; Steinback, Scott; Sundelof, Andreas; Svagzdys, Arvydas; Turnbull, David; Van Der Hammen, Tessa; Van Voorhees, David; Van Winsen, Frankwin; Verleye, Thomas; Veiga, Pedro; Volstad, Jon-helge; Zarauz, Lucia; Zolubas, Tomas; Strehlow, Harry V..
Marine recreational fishing (MRF) is a high-participation activity with large economic value and social benefits globally, and it impacts on some fish stocks. Although reporting MRF catches is a European Union legislative requirement, estimates are only available for some countries. Here, data on numbers of fishers, participation rates, days fished, expenditures, and catches of two widely targeted species were synthesized to provide European estimates of MRF and placed in the global context. Uncertainty assessment was not possible due to incomplete knowledge of error distributions; instead, a semi-quantitative bias assessment was made. There were an estimated 8.7 million European recreational sea fishers corresponding to a participation rate of 1.6%. An...
Tipo: Text Palavras-chave: European marine recreational fisheries; Fisheries assessment and management; Fishing effort and expenditure; Participation; Surveys and monitoring of marine recreational fisheries.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00410/52136/52846.pdf
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Using the ALADYM simulation model for exploring the effects of management scenarios on fish population metrics ArchiMer
Spedicato, Maria Teresa; Poulard, Jean-charles; Politou, Chrissi-yianna; Radtke, Krzysztof; Lembo, Giuseppe; Petitgas, Pierre.
Simulation of fisheries systems is a widely used approach that integrates monitoring and assessment tools. We applied the ALADYM (age-length based dynamic model) simulation model to three different studies aimed at investigating correlations between pressure and population metrics, exploring the viability of different mortality levels in long-term scenarios and predicting the effects of combined management measures. Uncertainty was incorporated into the simulations following the Monte Carlo paradigm. Three stocks were used for these exercises: red mullet in the central-southern Tyrrhenian Sea and European hake in both the Bay of Biscay and the Aegean Sea. The analysis of the relationships between total mortality and indicators highlighted significant...
Tipo: Text Palavras-chave: Simulation model; Model-based indicators; Fishery management; Reference points; Mullus barbatus; Merluccius merluccius; Mediterranean Sea; Atlantic Ocean.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12226/9008.pdf
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