Strontium isotopes delineate fine-scale natal origins and migration histories of Pacific salmon

被引:91
作者
Brennan, Sean R. [1 ,2 ]
Zimmerman, Christian E. [3 ,4 ]
Fernandez, Diego P. [5 ]
Cerling, Thure E. [5 ]
McPhee, Megan V. [1 ,6 ]
Wooller, Matthew J. [1 ,2 ]
机构
[1] Univ Alaska Fairbanks, Sch Fisheries & Ocean Sci, Fairbanks, AK 99775 USA
[2] Univ Alaska Fairbanks, Water & Environm Res Ctr, Inst Northern Engn, Fairbanks, AK 99775 USA
[3] US Geol Survey, Alaska Sci Ctr, Anchorage, AK 99508 USA
[4] Univ Alaska Fairbanks, Affiliate Fac, Fairbanks, AK 99775 USA
[5] Univ Utah, Dept Geol & Geophys, Salt Lake City, UT 84112 USA
[6] Kyeta Consulting, Juneau, AK 99801 USA
来源
SCIENCE ADVANCES | 2015年 / 1卷 / 04期
关键词
D O I
10.1126/sciadv.1400124
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Highly migratory organisms present major challenges to conservation efforts. This is especially true for exploited anadromous fish species, which exhibit long-range dispersals from natal sites, complex population structures, and extensive mixing of distinct populations during exploitation. By tracing the migratory histories of individual Chinook salmon caught in fisheries using strontium isotopes, we determined the relative production of natal habitats at fine spatial scales and different life histories. Although strontium isotopes have been widely used in provenance research, we present a new robust framework to simultaneously assess natal sources and migrations of individuals within fishery harvests through time. Our results pave the way for investigating how fine-scale habitat production and life histories of salmon respond to perturbations-providing crucial insights for conservation.
引用
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页数:6
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