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| Marchal, Paul; Andersen, Bo; Caillart, B.; Eigaard, Ole; Guyader, Olivier; Hovgaard, Holger; Iriondo, Ane; Le Fur, Fanny; Sacchi, Jacques; Santurtun, Marina. |
| Face-to-face interviews were conducted to identify the main changes in gear and vessel technology that may have improved the fishing efficiency of a number of French, Danish, and Basque fleets over the past few decades. Important changes include the gradual appearance of twin trawls (Danish and French trawlers) and trammel-nets (French gillnetters), and the increased polyvalence of Basque bottom trawlers. The results suggest that fishing effort descriptors that are not traditionally measured (gear type, groundrope type, length of net used per day, headline length, crew size, number of winch or net drums) may have a substantial impact on catch rates. Adjusting fishing effort using such descriptors may generally improve the relationship between fishing... |
| Tipo: Text |
Palavras-chave: Twin trawls; Technological creep; Groundrope; Generalized linear models; Fishing mortality; Fishing effort; Catch rate. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-2611.pdf |
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| Sanchez, Florence; Santurtun, Marina. |
| Le présent rapport s‘articule en trois parties : 1) La première partie concerne un travail bibliographique sur les généralités des canyons sous marins, avec une présentation du gouf de Capbreton et les limites géographiques de l‘étude ; 2) La deuxième partie présente un état des lieux des connaissances disponibles sur le secteur du gouf de Capbreton. Elle comprend : i) un volet physique qui détaille le contexte géologique et hydrodynamique du canyon ; ii) un volet biologique avec un point consacré à l‘analyse des populations des cétacés et oiseaux marins ; un autre point décrit les ressources démersales et benthiques à partir des données issues des campagnes scientifiques (Campagnes EVHOE et ITSASTEKA) avec une revue détaillée des données disponibles sur... |
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| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00137/24787/22858.pdf |
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| Hidalgo, Manuel; Rouyer, Tristan; Bartolino, Valerio; Cervino, Santiago; Ciannelli, Lorenzo; Massuti, Enric; Jadaud, Angelique; Saborido-rey, Fran; Durant, Joel M.; Santurtun, Marina; Pineiro, Carmen; Stenseth, Nils C.. |
| Fisheries ecologists traditionally aimed at disentangling climate and fishing effects from the population dynamics of exploited marine fish stocks. However, recent studies have shown that internal characteristics and external forcing (climate and exploitation) have interactive rather than additive effects. Thought most of these studies explored how demographic truncation induced by exploitation affected the response of recruitment to climate, identifying a general pattern revealed to be difficult as interactions are often case-specific. Here we compared five exploited stocks of European hake Merluccius merluccius from the Atlantic Ocean and Mediterranean Sea to investigate how the interaction between internal characteristics and external forces affect the... |
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| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00079/19008/17561.pdf |
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| Vigneau, Joel; Van Beek, Frans; Lordan, Colm; Lorance, Pascal; Armstrong, Mike; Dalskov, Jørgen; Ullrich, Clara; Moreau, Kelle; Santurtun, Marina; Schon, Peter Jan. |
| The Third Data Deficiency Coordination Workshop with the RACs (WKDDRAC3), was planned to be chaired by Joël Vigneau (France) and Barrie Deas (UK), at ICES in Copenhagen, Denmark, on 16 January 2013 to: a) Evaluate the progress done after WKDDRAC2 b) Identify the main data issue of the northwest and southwest water stocks and agree on actions to improve data deficiencies; c) Data preparation for ICES stock benchmark meetings; |
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| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00116/22756/25248.pdf |
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| Uriarte, Andres; Zarauz, Lucia; Aranda, Martin; Santurtun, Marina; Iriondo, Ane; Berthou, Patrick; Castro, Jose; Delayat, Stephanie; Falcon, Jesus; Garcia, Javier; Gaspar, Miguel; Gonzalez, J.f.; Jimenez, Sebastian; Lordan, Colm; Morandeau, Gilles; Sanchez, Florence; Santamaria, Maria Theresa; Villegas, Noemi. |
| The objective of fisheries management is the sustainable exploitation of the fish resources over the extent of their spatial distribution. Along with the Common Fisheries Policy (CFP) objectives, the socio-economic viability of the fisheries exploiting the resource is also to be achieved. To reach these aims, managers need to define the management units they are going to work with. For the purpose of GEPETO project, we define a management unit (MU) as the set of fishing fleets exploiting a common pool of fish resources with strong spatial overlapping and sharing of habitats, which make them being typically fished together. In other words, a MU is the set of fishing fleets exploiting a common fish community over their spatial distribution. MUs have to be... |
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| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00222/33298/31742.pdf |
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