大西洋蓝鳍金枪鱼(Thunnus thynnus)在圣劳伦斯湾和东苏格兰大陆架的饮食

Q3 Environmental Science

Journal of Northwest Atlantic Fishery Science Pub Date : 2012-12-31 DOI:10.2960/J.V44.M685

N. Pleizier, S. Campana, R. Schallert, S. Wilson, B. Block

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引用次数: 18

摘要

对2010年在新斯科舍省胡德港和坎索上岸的68条大西洋蓝鳍金枪鱼(Thunnus thynnus)的胃内容物进行了分析，以表征这两个地点蓝鳍金枪鱼的饮食特征。在取样的鱼中，54个胃有内容物。鲱鱼(Clupea harengus)和鲭鱼(Scomber scombrus)等远洋洄游鱼类在这两个地区的饮食中占主导地位。然而，也观察到一些稀有物种，包括底栖物种。尽管在胡德港上岸的大西洋蓝鳍金枪鱼的位置不同，体型也大得多，但在这两个地点上岸的大西洋蓝鳍金枪鱼的饮食是相似的。

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Atlantic Bluefin Tuna (Thunnus thynnus) Diet in the Gulf of St. Lawrence and on the Eastern Scotian Shelf

The stomach contents of 68 Atlantic bluefin tuna (Thunnus thynnus) landed in Port Hood and Canso, Nova Scotia, in 2010, were analyzed to characterize the diet of bluefin tuna at the two locations. Of the sampled fish, 54 stomachs had contents. Pelagic schooling fish such as herring (Clupea harengus) and mackerel (Scomber scombrus) dominated the diets in both regions. However, a number of rare species, including demersal species, were also observed. Despite the difference in location and the significantly larger size of the Atlantic bluefin tuna landed in Port Hood, the diets of the Atlantic bluefin tuna landed at both sites were similar.

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来源期刊

Journal of Northwest Atlantic Fishery Science Environmental Science-Ecology

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The journal focuses on environmental, biological, economic and social science aspects of living marine resources and ecosystems of the northwest Atlantic Ocean. It also welcomes inter-disciplinary fishery-related papers and contributions of general applicability.