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Rapid Life-History Diversification of an Introduced Fish Species across a Localized Thermal Gradient
Zhu, Fengyue1,2; Rypel, Andrew L.3,4,5; Murphy, Brian R.5; Li, Zhongjie1; Zhang, Tanglin1; Yuan, Jing1; Guo, Zhiqiang1,2; Tang, Jianfeng1,2; Liu, Jiashou1
2014-02-04
Source PublicationPLOS ONE
ISSN1932-6203
Volume9Issue:2
AbstractClimatic variations are known to engender life-history diversification of species and populations at large spatial scales. However, the extent to which microgeographic variations in climate (e.g., those occurring within a single large ecosystem) can also drive life-history divergence is generally poorly documented. We exploited a spatial gradient in water temperatures at three sites across a large montane lake in southwest China (Lake Erhai) to examine the extent to which life histories of a short-lived fish species (icefish, Neosalanx taihuensis) diversified in response to thermal regime following introduction 25 y prior. In general, warmwater icefish variants grew faster, had larger adult body size and higher condition and fecundity, but matured at smaller sizes. Conversely, coldwater variants had smaller adult body size and lower condition, but matured at larger sizes and had larger eggs. These life-history differences strongly suggest that key ecological trade-offs exist for icefish populations exposed to different thermal regimes, and these trade-offs have driven relatively rapid diversification in the life histories of icefish within Lake Erhai. Results are surprisingly concordant with current knowledge on life-history evolution at macroecological scales, and suggest that improved conservation management might be possible by focusing on patterns operating at microgeographical, including, within-ecosystem scales.
SubtypeArticle
KeywordPopulation-dynamic Consequences Guppies Poecilia-reticulata Climate-change Body-size Trade-offs Microgeographical Variation Phenotypic Plasticity Latitudinal Variation Reproductive-biology Adaptive Evolution
DOI10.1371/journal.pone.0088033
WOS HeadingsScience & Technology
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000336971300042
WOS KeywordPOPULATION-DYNAMIC CONSEQUENCES ; GUPPIES POECILIA-RETICULATA ; CLIMATE-CHANGE ; BODY-SIZE ; TRADE-OFFS ; MICROGEOGRAPHICAL VARIATION ; PHENOTYPIC PLASTICITY ; LATITUDINAL VARIATION ; REPRODUCTIVE-BIOLOGY ; ADAPTIVE EVOLUTION
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20320
Collection淡水生态学研究中心_期刊论文
Affiliation1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Univ Wisconsin, Ctr Limnol, Madison, WI 53706 USA
4.Wisconsin Dept Nat Resources, Madison, WI USA
5.Virginia Polytech Inst & State Univ, Dept Fish & Wildlife Conservat, Blacksburg, VA 24061 USA
Recommended Citation
GB/T 7714
Zhu, Fengyue,Rypel, Andrew L.,Murphy, Brian R.,et al. Rapid Life-History Diversification of an Introduced Fish Species across a Localized Thermal Gradient[J]. PLOS ONE,2014,9(2).
APA Zhu, Fengyue.,Rypel, Andrew L..,Murphy, Brian R..,Li, Zhongjie.,Zhang, Tanglin.,...&Liu, Jiashou.(2014).Rapid Life-History Diversification of an Introduced Fish Species across a Localized Thermal Gradient.PLOS ONE,9(2).
MLA Zhu, Fengyue,et al."Rapid Life-History Diversification of an Introduced Fish Species across a Localized Thermal Gradient".PLOS ONE 9.2(2014).
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