Detecting the driving forces underlying the divergence of spruce forests in China: evidence from phytocoenology, morphology and phylogenetics

doi:10.1093/jpe/rtz047

	Detecting the driving forces underlying the divergence of spruce forests in China: evidence from phytocoenology, morphology and phylogenetics
	Wang, Guo-Hong ; Zhao, Hai-Wei ; An, Meng 1; Li, He ; Zhang, Wei-Kang
	2020
发表期刊	JOURNAL OF PLANT ECOLOGY
ISSN	1752-9921
卷号	13 期号:1 页码:59-69
摘要	Aims We aimed to elucidate the driving forces underlying the geographical distribution of spruce forests, as well as the morphological and phylogenetic divergence among spruce species in China. Methods One hundred and seventy two sites across the entire range of spruce forests in China (23 degrees-53 degrees N, 75 degrees-134 degrees F, 250-4300 m a.s.l.) were sampled for species composition, geographical coordinates, and topographic and climatic variables. Sixteen spruce taxa, which are naturally distributed in China, were respectively grouped into morphologically defined sections and phylogenetically distinct clades. Multivariate approaches, including two-way indicator species analysis, principal components analysis, detrended correspondence analysis, canonical correspondence analysis (CCA), and partial CCA, were used for data analysis. Important findings The 172 samples grouped into 13 spruce forests, the geographical distributions of which were closely related to climate and geographical location. The variation in species composition explained by the geographical coordinates (32.01%) was significantly higher than that explained by the climatic (27.76%) and topographic variables (23.32%). Of the three morphologically defined sections, sect. Omorica occurred mainly in wetter habitats with a mean annual precipitation of ca. 229 mm and 426 mm higher than the habitats of sect. Casicta and sect. Picea (P< 0.01), respectively. Of the two phylogenetically distinct clades, Clade-II (an older Glade) occurred in habitats with warm winters and cool summers whose mean temperature in the coldest month was ca. 8-10 degrees C higher, yet accumulated temperature during the growing season (>= 5 degrees C) was ca. 297-438 degrees C lower, than the habitats of Clade-III (a younger Glade) (P < 0.01). Our data support the hypothesis that geographical location may be a greater determinant of variation in species composition. In addition, moisture conditions tend to be the key determinants that account for the divergence among the morphologically defined sections, while the phylogenetic divergence among spruce species is mainly affected by temperature conditions. While the clades or sections of the spruce species in question carry strong climatic signals, their divergences are subject to different selective pressures.
关键词	Picea climate biogeography refugia selective pressure
学科领域	Plant Sciences ; Ecology ; Forestry
DOI	10.1093/jpe/rtz047
收录类别	SCI
语种	英语
WOS关键词	PARALLEL EVOLUTION ; SPECIES POOL ; PICEA ; CLIMATE ; VEGETATION ; DISTRIBUTIONS ; EQUILIBRIUM ; PROBABILITY ; ORDINATION ; PINACEAE
WOS研究方向	Plant Sciences ; Environmental Sciences & Ecology ; Forestry
WOS记录号	WOS:000529932500009
出版者	OXFORD UNIV PRESS
文献子类	Article
出版地	OXFORD
EISSN	1752-993X
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41571045]
作者邮箱	ghwang@ibcas.ac.cn
作品OA属性	Bronze
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/21776
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, 20 Nanxincun, Beijing 100093, Peoples R China 2.Beijing Museum Nat Hist, Beijing 100050, Peoples R China
推荐引用方式 GB/T 7714	Wang, Guo-Hong,Zhao, Hai-Wei,An, Meng,et al. Detecting the driving forces underlying the divergence of spruce forests in China: evidence from phytocoenology, morphology and phylogenetics[J]. JOURNAL OF PLANT ECOLOGY,2020,13(1):59-69.
APA	Wang, Guo-Hong,Zhao, Hai-Wei,An, Meng,Li, He,&Zhang, Wei-Kang.(2020).Detecting the driving forces underlying the divergence of spruce forests in China: evidence from phytocoenology, morphology and phylogenetics.JOURNAL OF PLANT ECOLOGY,13(1),59-69.
MLA	Wang, Guo-Hong,et al."Detecting the driving forces underlying the divergence of spruce forests in China: evidence from phytocoenology, morphology and phylogenetics".JOURNAL OF PLANT ECOLOGY 13.1(2020):59-69.

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