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  • 标题:Distribition of demersal species and density of the economic fishes in the coastal Trabzon
  • 本地全文:下载
  • 作者:Orhan Ak ; Sebahattin Kutlu ; İlhan Aydın
  • 期刊名称:Journal of FisheriesSciences.com / Su ÜrünleriBilimeri.com
  • 印刷版ISSN:1307-234X
  • 出版年度:2011
  • 卷号:5
  • 期号:2
  • DOI:10.3153/jfscom.2011012
  • 出版社:Istanbul University
  • 摘要:In this study, from January to December 2007 was carried in the Trabzon coast. Bottom trawl videotaping were 0 - 20m, 21 - 40m and 41 - 60m deep layers, made monthly and 30-minutes. During the sampling period, 28 species belonging to the family total of 25 fish (cartilaginous 3), 2 belong to the family and 3 family of 2 species of arthropods belonging to 3 species of mollusk the organism a total of 33 species have been identified. In the all species compositions, Merlangius merlangus with 47.12% was the first, Raja clavata with 32.11% was the second and Mullus barbatus was ranked third with 7.45%. M. merlangus, M. barbatus, Psetta maxima, and P. flesus of the average fish density 4339 ±2491 kg-km-2 was found to be. According to the station, the average fish density of 1703 ±256 kg-km-2, 3058 ± 621 kg-km-2 and 8255 ±1813 was calculated as kg-km-2 (P<0.05), respectively. M merlangus and M barbatus types density according to the amount and size distribution for the station while significant (P<0.05), P maxima and P. flesus is trivial for types (P>0.05) were found.
  • 关键词:Keywords: Trabzon coast, bottom trawl, composition, density, CPUA
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