IB-CAS  > 植被与环境变化国家重点实验室
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, Meng1; Li, He; Zhang, Wei-Kang
2020
Source PublicationJOURNAL OF PLANT ECOLOGY
ISSN1752-9921
Volume13Issue:1Pages:59-69
AbstractAims 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.
KeywordPicea climate biogeography refugia selective pressure
Subject AreaPlant Sciences ; Ecology ; Forestry
DOI10.1093/jpe/rtz047
Indexed BySCI
Language英语
WOS KeywordPARALLEL EVOLUTION ; SPECIES POOL ; PICEA ; CLIMATE ; VEGETATION ; DISTRIBUTIONS ; EQUILIBRIUM ; PROBABILITY ; ORDINATION ; PINACEAE
WOS Research AreaPlant Sciences ; Environmental Sciences & Ecology ; Forestry
WOS IDWOS:000529932500009
PublisherOXFORD UNIV PRESS
SubtypeArticle
Publication PlaceOXFORD
EISSN1752-993X
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41571045]
Corresponding Author Emailghwang@ibcas.ac.cn
OABronze
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21776
Collection植被与环境变化国家重点实验室
Affiliation1.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
Recommended Citation
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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