Knowledge Management System Of Institute Of Botany,CAS
Phylogeny and ecological processes influence grass coexistence at different spatial scales within the steppe biome | |
Liu, Hui1; Osborne, Colin P.; Yin, Deyi1; Freckleton, Robert P.; Jiang, Gaoming3; Liu, Meizhen3 | |
2019 | |
发表期刊 | OECOLOGIA |
ISSN | 0029-8549 |
卷号 | 191期号:1页码:25-38 |
摘要 | Phylogenetic analyses are essential for disentangling how environmental filtering and competition determine species coexistence across spatial scales. Inner Mongolia steppe has strong environmental gradients, but how the phylogenetic relatedness of co-occurring species and phylogenetic signals of functional traits change across spatial scales remains unclear. We investigated the phylogenetic structure of grass assemblages along environmental gradients from regional to local scales, and measured functional traits within assemblages. We compared phylogenetic signals of plant traits between the same numbers of species randomly selected from the regional pool and species observed at the local scale, did phylogenetic principal component analysis to infer the main factors driving species coexistence, and examined the key plant trait-environment relationships across the phylogeny to reveal ecological adaptation mechanisms. Regionally, grass species were phylogenetically clustered with contrasting climate preferences. With decreasing spatial scales, species richness declined, changing from phylogenetically clustered to overdispersed, and phylogenetic signals of plant traits became weaker. At the local scale, grass assemblages were structured by soil water content and neighbor density, and the trait-environment relationships were less clear than those at the regional scale. This study demonstrated that at smaller scales, co-occurring grass species in the steppe tended to be more phylogenetically overdispersed, and that phylogenetic signals of plant functional traits became weaker with increasing abiotic and biotic interactions. Our findings contributed evidence for understanding species coexistence and maintenance at scales spanning regional to local communities in the East Asia steppe biome. |
关键词 | Inner Mongolian steppe Phylogenetic niche conservatism Plant functional trait Poaceae Scale dependence |
学科领域 | Ecology |
DOI | 10.1007/s00442-019-04475-0 |
收录类别 | SCI |
语种 | 英语 |
WOS关键词 | FUNCTIONAL TRAIT ; PLANT COMMUNITY ; SPECIES-DIVERSITY ; ROOT LENGTH ; EVOLUTION ; PATTERNS ; MONGOLIA ; DIVERSIFICATION ; MECHANISMS ; SIMILARITY |
WOS研究方向 | Environmental Sciences & Ecology |
WOS记录号 | WOS:000484956600003 |
出版者 | SPRINGER |
文献子类 | Article |
出版地 | NEW YORK |
EISSN | 1432-1939 |
资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31670411, 31300334] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences [2019339] ; UK/China Excellence Scholarship (China Scholarship Council)China Scholarship Council ; UK/China Excellence Scholarship (UK Government) |
作者邮箱 | hui.liu@scbg.ac.cn |
作品OA属性 | Green Accepted |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/19726 |
专题 | 植被与环境变化国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded Ec, Guangdong Prov Key Lab Appl Bot, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China 2.Chinese Acad Sci, Ctr Plant Ecol, Core Bot Garden, Guangzhou 510650, Guangdong, Peoples R China 3.Liu, Hui; Osborne, Colin P.; Freckleton, Robert P.] Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England 4.Chinese Acad Sci, Inst Bot, Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Hui,Osborne, Colin P.,Yin, Deyi,et al. Phylogeny and ecological processes influence grass coexistence at different spatial scales within the steppe biome[J]. OECOLOGIA,2019,191(1):25-38. |
APA | Liu, Hui,Osborne, Colin P.,Yin, Deyi,Freckleton, Robert P.,Jiang, Gaoming,&Liu, Meizhen.(2019).Phylogeny and ecological processes influence grass coexistence at different spatial scales within the steppe biome.OECOLOGIA,191(1),25-38. |
MLA | Liu, Hui,et al."Phylogeny and ecological processes influence grass coexistence at different spatial scales within the steppe biome".OECOLOGIA 191.1(2019):25-38. |
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