نتایج جستجو برای: fishes population

تعداد نتایج: 710990  

Journal: :Proceedings. Biological sciences 2000
I A Fleming K Hindar I B Mjølnerød B Jonsson T Balstad A Lamberg

Farm Atlantic salmon escape and invade rivers throughout the North Atlantic annually, which has generated growing concern about their impacts on native salmon populations. A large-scale experiment was therefore undertaken in order to quantify the lifetime success and interactions of farm salmon invading a Norwegian river. Sexually mature farm and native salmon were genetically screened, radio t...

2006
L. PERSSON A. M. DE ROOS

It is long since well established that growth and development in fish individuals are heavily dependent on food intake. Yet, this dependence of individual development on food levels has only to a limited extent been taken into consideration when studying fish population and community processes. Using the modelling framework of physiologically structured population models and empirical data for ...

Journal: :PLoS ONE 2009
Christopher D. Stallings

BACKGROUND Understanding the current status of predatory fish communities, and the effects fishing has on them, is vitally important information for management. However, data are often insufficient at region-wide scales to assess the effects of extraction in coral reef ecosystems of developing nations. METHODOLOGY/PRINCIPAL FINDINGS Here, I overcome this difficulty by using a publicly accessi...

2013
C. Lindeman

Factors influencing variability of recruitment in coral reef fishes are of great theoretical and applied interest for population dynamics, oceanography, and fishery management. Due to the complexities of evaluating the many factors influencing recruitment processes throughout the life history of mcroplanktonic organisms, recruitment is often an umbrella-term encompassing interrelated problems i...

2015
Joseph E. Serafy Geoffrey S. Shideler Rafael J. Araújo Ivan Nagelkerken Anna R. Armitage

Several studies conducted at the scale of islands, or small sections of continental coastlines, have suggested that mangrove habitats serve to enhance fish abundances on coral reefs, mainly by providing nursery grounds for several ontogenetically-migrating species. However, evidence of such enhancement at a regional scale has not been reported, and recently, some researchers have questioned the...

Journal: :Proceedings of the Royal Society of London. Series B: Biological Sciences 2002

2016
David J. McKenzie Michael Axelsson Denis Chabot Guy Claireaux Steven J. Cooke Richard A. Corner Gudrun De Boeck Paolo Domenici Pedro M. Guerreiro Bojan Hamer Christian Jørgensen Shaun S. Killen Sjannie Lefevre Stefano Marras Basile Michaelidis Göran E. Nilsson Myron A. Peck Angel Perez-Ruzafa Adriaan D. Rijnsdorp Holly A. Shiels John F. Steffensen Jon C. Svendsen Morten B. S. Svendsen Lorna R. Teal Jaap van der Meer Tobias Wang Jonathan M. Wilson Rod W. Wilson Julian D. Metcalfe

The state of the art of research on the environmental physiology of marine fishes is reviewed from the perspective of how it can contribute to conservation of biodiversity and fishery resources. A major constraint to application of physiological knowledge for conservation of marine fishes is the limited knowledge base; international collaboration is needed to study the environmental physiology ...

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