气候变化领域集成服务门户(CCPortal): Effects of environment, life-history and phylogeny on germination strategy of 789 angiosperms species on the eastern Tibetan Plateau

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DOI	10.1016/j.ecolind.2021.107974
	Effects of environment, life-history and phylogeny on germination strategy of 789 angiosperms species on the eastern Tibetan Plateau
	Zhang, Chunhui; Willis, Charles G.; Donohue, Kathleen; Ma, Zhen; Du, Guozhen
通讯作者	Ma, Z (通讯作者)，Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Restorat Ecol Cold Reg Lab Qinghai, Xining 810008, Qinghai, Peoples R China.
发表日期	2021
ISSN	1470-160X
EISSN	1872-7034
卷号	129
英文摘要	Germination strategies vary widely among species and significantly influence individual fitness and community diversity. Germination strategies are known to be influenced by environmental conditions, life-history traits and evolutionary history, but how these factors influence germination across species under natural conditions is poorly understood. Here, we characterized germination strategies of 789 angiosperm species from the eastern Tibetan Plateau based on germination time courses and the final germination proportion expressed in the field under three light treatments: high (i.e., natural) light, medium light and low light. Based on results of correlation analysis and cluster analysis, we found two major dimensions of germination strategies [early (fast) versus late (slow) germination and high versus low germination proportions]. We also characterized a dormant germination strategy (species with final germination proportion < 5%). Low light availability altered the frequencies of germination strategies, and tended to canalize germination strategy into the extreme categories of early germination or high levels of dormancy. Germination strategy varied significantly based on species life-history traits (seed mass and adult longevity) and local habitat conditions (elevation, water habitat and light habitat). Finally, germination strategy exhibited strong phylogenetic signal, such that related taxa exhibited similar germination strategies. In sum, the diversity of germination strategies we observed among these species is maintained by a combination of local habitat conditions, evolutionary history and the correlated selection acting on germination and key life-history traits.
关键词	REPRESENTING CUMULATIVE GERMINATION LIGHT-DEPENDENT ASSOCIATIONS SEED-GERMINATION DESERT ANNUALS COMMUNITY MASS EMERGENCE DIVERSIFICATION COMPETITION GRASSLANDS
英文关键词	Germination time course; Habitat; Life-history trait; Phylogenetic signal
语种	英语
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS记录号	WOS:000681696400011
来源期刊	ECOLOGICAL INDICATORS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254073
作者单位	[Zhang, Chunhui] Qinghai Univ, State Key Lab Plateau Ecol & Agr, Xining 810016, Qinghai, Peoples R China; [Zhang, Chunhui; Ma, Zhen] Chinese Acad Sci, Northwest Inst Plateau Biol, Qinghai Prov Key Lab Restorat Ecol Cold Reg, Xining 810008, Qinghai, Peoples R China; [Willis, Charles G.] Univ Minnesota, Dept Biol Teaching & Learning, Minneapolis, MN 55108 USA; [Donohue, Kathleen] Duke Univ, Dept Biol, Durham, NC 27708 USA; [Ma, Zhen] Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Qinghai, Peoples R China; [Du, Guozhen] Lanzhou Univ, Sch Life Sci, State Key Lab Grassland Farming Syst, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Chunhui,Willis, Charles G.,Donohue, Kathleen,et al. Effects of environment, life-history and phylogeny on germination strategy of 789 angiosperms species on the eastern Tibetan Plateau[J]. 中国科学院西北生态环境资源研究院,2021,129.
APA	Zhang, Chunhui,Willis, Charles G.,Donohue, Kathleen,Ma, Zhen,&Du, Guozhen.(2021).Effects of environment, life-history and phylogeny on germination strategy of 789 angiosperms species on the eastern Tibetan Plateau.ECOLOGICAL INDICATORS,129.
MLA	Zhang, Chunhui,et al."Effects of environment, life-history and phylogeny on germination strategy of 789 angiosperms species on the eastern Tibetan Plateau".ECOLOGICAL INDICATORS 129(2021).