Institute Mauritanien Of Recherche Oceanographique Et Des Peches Imrop

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Institute Mauritanien Of Recherche Oceanographique Et Des Peches Imrop

Mauritania
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Jouffre D.,Montpellier University | Borges M.D.F.,Institute Investigacao das Pescas e Do Mar IPIMAR INRB | Bundy A.,Bedford Institute of Oceanography | Coll M.,CSIC - Institute of Marine Sciences | And 7 more authors.
ICES Journal of Marine Science | Year: 2010

Under the context of an ecosystem approach to fisheries (EAF), there is keen interest in providing insights into the evolution of exploited ecosystems using simple ecosystem indicators. Many nations have long-term scientific research surveys, originally driven by conventional approaches in fisheries assessment and management. The aim of this study is to address the practical concerns linked to current objectives of monitoring simple EAF indicators, using data from surveys that were not historically designed for the purpose. Based on the results of an expert survey designed to collect expert knowledge on research surveys from scientists working on different ecosystems worldwide, a list of challenges faced during indicator estimation is highlighted, along with associated concerns and constraints. The work provides additional information useful in the interpretation of the results obtained on the state and trends of ecosystems using EAF indicators by the IndiSeas WG. Further, the related discussion provides potential pathways that could be useful for future research and development aiming to improve the ecosystem indicator approach in the operational context of EAF. The question of the utility for EAF of using historical dataseries of scientific trawl series is also discussed. Such long-term series are concluded to be useful, that they are even inescapable (since the past cannot be resamplied), and that EAF therefore brings a supplementary reason for continuing such monitoring and to incorporate new insights in how research surveys may be conducted. © 2009 International Council for the Exploration of the Sea. Published by Oxford Journals. All rights reserved.

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