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gear causes mortality of non-target species. Part 3 of the book therefore addresses the issue of ï¬shing as a source of energy subsidies through chapters dealing with benthic scavengers in the North Sea, Irish Sea and the Mediterranean and in the population trends seen in seabirds. It is notable how much the seabird work has beneï¬ted from the existence of good population data that, in some cases, stretches back for many decades. This is a situation that does not largely exist for benthic marine communities, hindering the assessment of longterm changes associated with ï¬shing, and it is these longterm changes that are the subject of the fourth section of the book. Not surprisingly the results presented give an indication that the impact of ï¬shing is mixed, with some components of the ecosystem suï¬ering while others beneï¬t. Part 5 addresses the methods that may be employed to reduce the adverse impact of ï¬shing on biodiversity, including the use of technical modiï¬cations of ï¬shing gear that may help to limit incidental catch and impacts on the seabed. In addition, there is an examination of spatial management tools such as no-take/closed areas, where beneï¬ts for the conservation of biodiversity as well as the target ï¬sh stocks may arise. In the ï¬nal section of the book, socio-economic factors such as the incentives driving the practice of discarding, and the economic and socio-cultural factors inï¬uencing societyâs collective attitude to marine conservation are considered. In addition, mechanisms for reducing the impact of ï¬sheries, including the development of a more integrated, ecosystem-based approach to management, are also discussed. From the environmental perspective, a more enlightened attitude to the management of marine resources is beginning to emerge. With important opportunities such as the review of the European Common Fisheries Policy underway, Kaiser and de Grootâs book is timely and, in combination with Stephen Hallâs book âThe eï¬ects of ï¬shing on marine ecosystems and communitiesâ, provides a valuable review of the current state of knowledge in this subject area. It is almost certain, therefore, that this book will prove immensely valuable to a wide range of readers from students and researchers through to the policymakers. DR. DAVID DONNAN Scottish Natural Heritage DOI: 10.1002/aqc.492 Copyright # 2001 John Wiley & Sons, Ltd. Aquatic Conserv: Mar. Freshw. Ecosyst. 11: 487â489 (2001)
Aquatic Conservation: Marine and Freshwater Ecosystems – Wiley
Published: Nov 1, 2001
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