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  • River fisheries: ecological basis for management and conservation

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    27217_1.pdf (400.3Kb)
    Author(s)
    Arthington, Angela
    Lorenzen, K.
    Pusey, Bradley
    Abell, R.
    Halls, A.
    Winemiller, K.
    Arrington, D.
    Baran, E.
    Griffith University Author(s)
    Arthington, Angela H.
    Pusey, Bradley J.
    Year published
    2004
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    Abstract
    Large rivers and their floodplains support a significant proportion of the world's biodiversity and provide important goods and ecological services to society, including fisheries. Riverine ecosystems and fisheries are subject to intense pressure from a wide range of anthropogenic disturbances, the main ones being impacts from altered land use, modifications to river flow regimes, riparian and physical habitat loss, water pollution, exotic species invasions and intensive exploitation of fish stocks. As a consequence, a far greater proportion of freshwater species are threatened or endangered than terrestrial or marine species ...
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    Large rivers and their floodplains support a significant proportion of the world's biodiversity and provide important goods and ecological services to society, including fisheries. Riverine ecosystems and fisheries are subject to intense pressure from a wide range of anthropogenic disturbances, the main ones being impacts from altered land use, modifications to river flow regimes, riparian and physical habitat loss, water pollution, exotic species invasions and intensive exploitation of fish stocks. As a consequence, a far greater proportion of freshwater species are threatened or endangered than terrestrial or marine species in the same taxonomic groups. In this paper we review ecological processes sustaining river and floodplain biodiversity and productivity. We also outline the status of knowledge of fundamental issues in fish ecology, including fish habitat requirements, trophic ecology, life history strategies, migration, the population biology of riverine fish and modelling of fish populations and assemblages. We evaluate threats to the productivity and diversity of large river systems, as well as conservation and rehabilitation measures and discuss ecological approaches and tools for management decision support. The final summary highlights knowledge gaps and research priorities and new research frontiers that demand more attention in river ecosystem studies, conservation efforts and fisheries management.
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    Conference Title
    Proceedings of the second International Symposium on the Management of Large Rivers for Fisheries Volume 1
    Publisher URI
    http://www.fao.org
    Copyright Statement
    © 2004 Food and Agriculture Organization of the United Nations. The attached file is posted here in accordance with the copyright policy of the publisher, for your personal use only. No further distribution permitted. For information about this conference please refer to the conference's website or contact the authors.
    Subject
    History and Archaeology
    Publication URI
    http://hdl.handle.net/10072/2231
    Collection
    • Conference outputs

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