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- Title
Evaluation of a by-catch reduction device for glass eel fishing traps.
- Authors
LOPEZ, M. A.; GISBERT, E.
- Abstract
The effectiveness of a new design of glass eel, Anguilla anguilla (L.), fishing trap was tested in the Ebro River delta fishery (Eastern Mediterranean, Spain). The modified fishing trap incorporated a by-catch reduction device (BRD) to increase trap selectivity and minimise by-catch of non-targeted fish, without affecting glass eel captures. The BRD is inexpensive and easy to implement, consisting of a cylinder covered with a rigid square-mesh of 2.0–2.4 mm knot-to-knot, which is easily fitted to the fishing trap entrance. Testing of the BRD was made by paired comparisons between captures of targeted and non-targeted fish species from both conventional and BRD-modified traps. The use of a BRD in the glass eel traps resulted in a 68.9% reduction in the number of captured non-targeted fish specimens, while it did not reduce glass eel yields. The BRD implementation was fully effective for all species and individuals with sizes >40 mm total length, with the exception of the black-striped pipefish, Syngnathus abaster Risso. These results support the implementation of the BRD in glass eel fisheries along the Eastern coast of the Iberian Peninsula where these fishing traps are used.
- Subjects
EBRO River (Spain); SPAIN; BYCATCHES; EEL fisheries; ANGUILLA anguilla
- Publication
Fisheries Management & Ecology, 2009, Vol 16, Issue 6, p438
- ISSN
0969-997X
- Publication type
Article
- DOI
10.1111/j.1365-2400.2009.00692.x