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  • 标题:Growth of a deep-water, predatory fish is influenced by the productivity of a boundary current system
  • 本地全文:下载
  • 作者:Hoang Minh Nguyen ; Adam N. Rountrey ; Jessica J. Meeuwig
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2015
  • 卷号:5
  • DOI:10.1038/srep09044
  • 出版社:Springer Nature
  • 摘要:The effects of climate change on predatory fishes in deep shelf areas are difficult to predict because complex processes may govern food availability and temperature at depth. We characterised the net impact of recent environmental changes on hapuku ( Polyprion oxygeneios ), an apex predator found in continental slope habitats (>200 m depth) by using dendrochronology techniques to develop a multi-decadal record of growth from otoliths. Fish were sampled off temperate south-western Australia, a region strongly influenced by the Leeuwin Current, a poleward-flowing, eastern boundary current. The common variance among individual growth records was relatively low (3.4%), but the otolith chronology was positively correlated (r = 0.61, p
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