Effect of colour on the catch of gill nets
The effect of white, green, blue and yellow coloured drift gill nets on their catch with respect to Scomberomorus guttatus (Schneider), Scomberomorus commerson (Lacepede), Scomberomorus lineolatus (Cuvier), Parastomateus niger (Bloch), Euthynnus ajjinis (Cantor) and sharks Carcharius melanopterus is discussed. White nets were more effective for S. guttatus while the coloured ones caught more of P. niger. Blue had no significant effect for sharks. In the case of S. lineolatus, S. commerson and E. affinis no preference to colour was noted.
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| Main Authors: | , , |
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| Format: | article biblioteca |
| Language: | English |
| Published: |
1980
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| Subjects: | Fisheries, experimental fishing, gear selectivity, Scomberomorus lineolatus, Scomberomorus commerson, Scomberomorus guttatus, Parastomateus niger, Euthynnus affinis, Carcharius melanopterus, |
| Online Access: | http://hdl.handle.net/1834/33510 |
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| Summary: | The effect of white, green, blue and yellow coloured drift gill nets on their catch with respect to Scomberomorus guttatus (Schneider), Scomberomorus commerson (Lacepede), Scomberomorus lineolatus (Cuvier), Parastomateus niger (Bloch), Euthynnus ajjinis (Cantor) and sharks Carcharius melanopterus is discussed. White nets were more effective for S. guttatus while the coloured ones caught more of P. niger. Blue had no significant effect for sharks. In the case of S. lineolatus, S. commerson and E. affinis no preference to colour was noted. |
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