globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.12502
论文题名:
Combined climate- and prey-mediated range expansion of Humboldt squid (Dosidicus gigas), a large marine predator in the California Current System
作者: Stewart J.S.; Hazen E.L.; Bograd S.J.; Byrnes J.E.K.; Foley D.G.; Gilly W.F.; Robison B.H.; Field J.C.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2014
卷: 20, 期:6
起始页码: 1832
结束页码: 1843
语种: 英语
英文关键词: Deep scattering layer ; Hypoxia ; Jumbo squid ; Oxygen minimum zones ; Pelagic
Scopus关键词: cephalopod ; climate change ; climate effect ; fish ; foraging behavior ; global change ; hypoxia ; in situ measurement ; migratory species ; pelagic environment ; population distribution ; predator-prey interaction ; prey availability ; range expansion ; California Current ; Pacific Ocean ; Pacific Ocean (Northeast) ; Cephalopoda ; Dosidicus ; Dosidicus gigas ; Myctophidae ; Pisces ; animal ; animal dispersal ; biological model ; cephalopod ; climate change ; fish ; food chain ; Pacific Ocean ; physiology ; population dynamics ; Animal Distribution ; Animals ; Climate Change ; Decapodiformes ; Fishes ; Food Chain ; Models, Biological ; Pacific Ocean ; Population Dynamics
英文摘要: Climate-driven range shifts are ongoing in pelagic marine environments, and ecosystems must respond to combined effects of altered species distributions and environmental drivers. Hypoxic oxygen minimum zones (OMZs) in midwater environments are shoaling globally; this can affect distributions of species both geographically and vertically along with predator-prey dynamics. Humboldt (jumbo) squid (Dosidicus gigas) are highly migratory predators adapted to hypoxic conditions that may be deleterious to their competitors and predators. Consequently, OMZ shoaling may preferentially facilitate foraging opportunities for Humboldt squid. With two separate modeling approaches using unique, long-term data based on in situ observations of predator, prey, and environmental variables, our analyses suggest that Humboldt squid are indirectly affected by OMZ shoaling through effects on a primary food source, myctophid fishes. Our results suggest that this indirect linkage between hypoxia and foraging is an important driver of the ongoing range expansion of Humboldt squid in the northeastern Pacific Ocean. © 2014 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62078
Appears in Collections:影响、适应和脆弱性

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作者单位: National Center for Ecological Analysis and Synthesis, University of California at Santa Barbara, 735 State Street Suite 300, Santa Barbara, CA 93101, United States; Hopkins Marine Station of Stanford University, 120 Oceanview Blvd, Pacific Grove, CA, 93950, United States; Environmental Research Division, NMFS Southwest Fisheries Science Center, NOAA, 1352 Lighthouse Avenue, Pacific Grove, CA 93950, United States; Cooperative Institute for Marine Ecosystems and Climate, University of California, 1156 High Street, Santa Cruz, CA, United States; Department of Biology, University of Massachusetts Boston, 100 Morrissey Blvd, Boston, MA 02125, United States; Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA, 95039, United States; Fisheries Ecology Division, NMFS Southwest Fisheries Science Center, NOAA, 110 Shaffer Road, Santa Cruz, CA, 95060, United States

Recommended Citation:
Stewart J.S.,Hazen E.L.,Bograd S.J.,et al. Combined climate- and prey-mediated range expansion of Humboldt squid (Dosidicus gigas), a large marine predator in the California Current System[J]. Global Change Biology,2014-01-01,20(6)
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