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DOI: 10.1371/journal.pone.0098226
论文题名:
The Large-Scale Deployment of Fish Aggregation Devices Alters Environmentally-Based Migratory Behavior of Skipjack Tuna in the Western Pacific Ocean
作者: Xuefang Wang; Yong Chen; Samuel Truesdell; Liuxiong Xu; Jie Cao; Wenjiang Guan
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-5-21
卷: 9, 期:5
语种: 英语
英文关键词: Tuna ; El Niño-Southern Oscillation ; Seasons ; Schools ; Fisheries science ; Marine fish ; Pacific Ocean ; Animal behavior
英文摘要: Fish aggregation devices (FADs) have been used extensively in the tuna purse seine fishery since the 1980s. This long-term modification of natural habitat has generated discussions as to whether FADs impact movement patterns of tuna species. We examined this question using data collected from the skipjack tuna (Katsuwonus pelamis) fishery. We used the longitudinal gravitational center of catch (G) to examine temporal variability in skipjack movement in the Western and Central Pacific Ocean, and related this to El Niño Southern Oscillation (ENSO) events. We found that in most cases G for free-swimming school sets changed with the onset of ENSO events, while G for floating-object-associated school sets remained relatively constant. This suggests that skipjack exhibit distinguishable behavioral strategies in response to ENSO events: they either react by moving long distances or they associate with floating objects. There has been no previous attempt to evaluate the interaction between FADs and the environmentally-determined movement of skipjack; this study shows evidence of an interaction, which should be considered when managing skipjack populations.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0098226&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/17835
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: College of Marine Sciences, Shanghai Ocean University, Shanghai, China;National Engineering Research Center for Oceanic Fisheries, Shanghai, China;The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai, China;School of Marine Sciences, University of Maine, Orono, Maine, United States of America;The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai, China;School of Marine Sciences, University of Maine, Orono, Maine, United States of America;College of Marine Sciences, Shanghai Ocean University, Shanghai, China;National Engineering Research Center for Oceanic Fisheries, Shanghai, China;The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai, China;School of Marine Sciences, University of Maine, Orono, Maine, United States of America;College of Marine Sciences, Shanghai Ocean University, Shanghai, China;National Engineering Research Center for Oceanic Fisheries, Shanghai, China;The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai, China

Recommended Citation:
Xuefang Wang,Yong Chen,Samuel Truesdell,et al. The Large-Scale Deployment of Fish Aggregation Devices Alters Environmentally-Based Migratory Behavior of Skipjack Tuna in the Western Pacific Ocean[J]. PLOS ONE,2014-01-01,9(5)
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