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9789251053256

Impacts of Trawling And Scallop Dredging on Benthic Habitats And Communities

Impacts of Trawling And Scallop Dredging on Benthic Habitats And Communities
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  • ISBN-13: 9789251053256
  • ISBN: 9251053251
  • Publication Date: 2005
  • Publisher: Food & Agriculture Organization of the United Nations

AUTHOR

Lokkeborg, Svein

SUMMARY

Over the last two decades, concerns about the impact of towed fishing gears such as trawls and dredges on benthic habitats and organisms have increased. This publication reviews the most recent experimental studies of the impact of towed fishing gears on benthic communities. Otter trawls, beam trawls and scallop dredges are likely to have different physical impacts on the sea bed owing to their different catching techniques. The most noticeable physical effect of otter trawling is the furrow created by the doors. Beam trawling and scallop dredging cause a flattening of irregular bottom topography by eliminating natural features. The long-term effects of fishing activities have not been investigated although several studies provide clear evidence of short-term consequences. The difficulty in conducting impact studies that produce clear conclusions stems mainly from the complexity and natural variability of benthic communities. Book jacket.Lokkeborg, Svein is the author of 'Impacts of Trawling And Scallop Dredging on Benthic Habitats And Communities ', published 2005 under ISBN 9789251053256 and ISBN 9251053251.

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