Influence of season, depth and mesh size on the trammel nets catch composition and discard in the Southern Black Sea, Turkey
作者： Ferhat Kalayci , Tuncay Yeşilçiçek
DOI: 10.1080/17451000.2013.853126
关键词:
摘要: AbstractThe present study was conducted with trammel nets, which are intensively used in the Black Sea region, order to investigate influences of season, depth and mesh size on species composition discard rates. In total, 27 species, belonging 4 taxonomic groups (24 fish, 1 gastropod, bivalve crustacean) were obtained. The percentage distribution total catch 8.32% target 14.59% non-target landing 77.09% discard. rate Mullus barbatus 0.61%. Among catch, Brachyura (22.74%) main group discarded, while other important Rapana venosa (16.90%), Scorpaena porcus (13.71%) Uranoscopus scaber (9.65%). lowest highest rates found spring autumn, respectively. According depth, from depths > 30 m (37.5%) at < 16 (91.8%). Regarding size, minimum maximum obtained 22 mm...
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