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EUROPEAN CETACEAN BYCATCH CAMPAIGN |
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Final Report |
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Tender No XIV/1999/01 Lot 7 |
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(31/12/99 - 31/10/00) |
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EVALUATION OF THE STATE OF KNOWLEDGE CONCERNING BY-CATCHES OF CETACEANS |
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Prepared by: |
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Ms. Nicky Spencer |
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Disclaimer |
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The views expressed in this document are those of the authors and do not in any way purport to represent the position of the European Commission. |
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Summary (pdf ~ 12 Kb) |
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Contents |
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1.1. Introduction |
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1.2. Project participants |
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1.3. Project objectives |
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1.4. Description of work undertaken |
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2. Data on by-catch (pdf ~ 314 Kb) |
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2.1. Fishing gear leading to cetacean by-catch |
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2.1.1. Passive fishing gear |
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2.1.2. Trawls |
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2.1.3. Driftnets |
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2.1.4. Other fishing gear |
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2.2. Mechanisms of by-catch (pdf ~ 37 Kb) |
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2.2.1. Entanglement in gillnets |
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2.2.2. Entanglement in mid-water trawls |
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2.2.3. Entanglement in other fishing gear |
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2.2.4. Conclusion |
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2.3. Measurement of by-catch (pdf ~ 80 Kb) |
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2.3.1. Diagnosis of by-catch as cause of death |
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2.3.2. By-catch estimation methods |
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2.3.3. Analysis of statistical power |
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2.4. Published data on by-catch rates (pdf ~ 56 Kb) |
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2.4.1. NE Atlantic |
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2.4.1.1. North Sea, Baltic Sea and Swedish coastal waters |
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2.4.1.2. Celtic Sea and the Western Approaches |
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2.4.1.3. Mediterranean |
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2.4.2. NW Atlantic |
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2.4.2.1. Gulf of Maine and Bay of Fundy |
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2.4.2.2. Gulf of St. Lawrence and Greenland |
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2.5. Impact of by-catch and implications for small cetacean populations (pdf ~ 35 Kb) |
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2.5.1. Population survey methods |
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2.5.2. North Sea, Baltic Sea and Swedish coastal waters |
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2.5.3. Celtic Sea, Bay of Biscay and the Western Approaches |
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2.5.4. Mediterranean |
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2.5.5. Gulf of Maine and Bay of Fundy |
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2.5.6. Conclusion |
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3. By-catch management (pdf ~ 31 Kb) |
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3.1. Development and application of by-catch reduction devices (pdf ~ 38 Kb) |