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Morphometric traits capture the climatically driven species turnover of 10 spruce taxa across China
Li, He1; Wang, GuoHong; Zhang, Yun; Zhang, WeiKang
AbstractThis study explored the relative roles of climate and phylogenetic background in driving morphometric trait variation in 10 spruce taxa in China. The study further addressed the hypothesis that these variations are consistent with species turnover on climatic gradients. Nine morphometric traits of leaves, seed cones, and seeds for the 10 studied spruce taxa were measured at 504 sites. These data were analyzed in combination with species DNA sequences from NCBI GenBank. We detected the effects of phylogeny and climate through trait-variation-based K statistics and phylogenetic eigenvector regression (PVR) analyses. Multivariate analyses were performed to detect trait variation along climatic gradients with species replacement. The estimated K-values for the nine studied morphometric traits ranged from 0.19 to 0.68, and the studied environmental variables explained 39-83% of the total trait variation. Trait variation tended to be determined largely by a temperature gradient varying from wet-cool climates to dry-warm summers and, additionally, by a moisture gradient. As the climate became wetter and cooler, spruce species tended to be replaced by other spruces with smaller needle leaves and seeds but larger cones and seed scales. A regression analysis showed that spruce species tended to be successively replaced by other species, along the gradient, although the trends observed within species were not necessarily consistent with the overall trend. The climatically driven replacement of the spruces in question could be well indicated by the between-species variation in morphometric traits that carry lower phylogenetic signal. Between-species variation in these traits is driven primarily by climatic factors. These species demonstrate a narrower ecological amplitude in temperature but wider ranges on the moisture gradient.
KeywordEcological amplitude geographical distribution interspecific and intraspecific variation phylogeny Picea
Subject AreaEcology ; Evolutionary Biology
Indexed BySCI
WOS Research AreaScience Citation Index Expanded (SCI-EXPANDED)
WOS IDWOS:000371069800028
Publication PlaceHOBOKEN
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41571045, 30870398] ; Chinese National Basic Research ProgramNational Basic Research Program of China [2014CB954201]
Corresponding Author Emailghwangaq@ibcas.ac.cn
OAGreen Published, gold
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, He,Wang, GuoHong,Zhang, Yun,et al. Morphometric traits capture the climatically driven species turnover of 10 spruce taxa across China[J]. ECOLOGY AND EVOLUTION,2016,6(4):1203-1213.
APA Li, He,Wang, GuoHong,Zhang, Yun,&Zhang, WeiKang.(2016).Morphometric traits capture the climatically driven species turnover of 10 spruce taxa across China.ECOLOGY AND EVOLUTION,6(4),1203-1213.
MLA Li, He,et al."Morphometric traits capture the climatically driven species turnover of 10 spruce taxa across China".ECOLOGY AND EVOLUTION 6.4(2016):1203-1213.
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