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Title: Composition of fish species in the Bering and Chukchi Seas and their responses to changes in the ecological environment.
Authors: Longshan Lin
Yongjun Chen
Yunchih Liao
Jing Zhang
Puqing Song
Xingguang Yu
Risheng Wu
Kwang-tsao Shao
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: responses to ecological environment
fish fauna
Date: 2014
Issue Date: 2018-04-23T02:06:46Z
Publisher: Acta Oceanologica Sinica
Abstract: Abstract
Based on trawl surveys in the Bering Sea and Chukchi Sea during the 2010 Chinese National Arctic Research Expedition, fish biodiversity characteristics, such as fish composition, dominant species, biodiversity, and faunal characteristics were conducted. We also discussed the responses of fishes to the quick changes in Arctic climate. The results showed that a total of 41 species in 14 families were recorded in these waters. The dominant species were Hippoglossoides robustus, Boreogadus saida, Myoxocephalus scorpius, Lumpenus fabricii, and Artediellus scaber. There were 35 coldwater species, accounting for 85.37%, and six cold temperate species, occupying 14.63%. The habitat types of fish could be grouped as follows: 35 species of demersal fishes, five benthopelagic fishes, and one pelagic fish. The Shannon-Wiener diversity index (H′) (range between 0 and 2.18, 1.21 on average) was not high, and descended from south to north. Climate change has caused some fishes to shift along their latitudinal and longitudinal distribution around the Arctic and Subarctic areas, and this could lead to the decline of Arctic fishery resources.
Relation: 33(6) pp.63-73
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/46011
Appears in Collections:[海洋生物研究所] 期刊論文

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