globalchange  > 气候减缓与适应
DOI: 10.1111/ele.13086
Scopus记录号: 2-s2.0-85047475913
论文题名:
Intra-specific relatedness, spatial clustering and reduced demographic performance in tropical rainforest trees
作者: Shao X.; Brown C.; Worthy S.J.; Liu L.; Cao M.; Li Q.; Lin L.; Swenson N.G.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
语种: 英语
英文关键词: Density dependence ; Forest dynamics ; Forest ecology ; Rainforest ; Relatedness
英文摘要: Intra-specific negative density dependence promotes species coexistence by regulating population sizes. Patterns consistent with such density dependence are frequently reported in diverse tropical tree communities. Empirical evidence demonstrating whether intra-specific variation is related to these patterns, however, is lacking. The present study addresses this important knowledge gap by genotyping all individuals of a tropical tree in a long-term forest dynamics plot in tropical China. We show that related individuals are often spatially clustered, but having closely related neighbours reduces the growth performance of focal trees. We infer from the evidence that dispersal limitation and negative density dependence are operating simultaneously to impact the spatial distributions of genotypes in a natural population. Furthermore, dispersal limitation decreases local intra-specific genetic diversity and increases negative density dependence thereby promoting niche differences and species coexistence as predicted by theory. © 2018 John Wiley & Sons Ltd/CNRS.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107523
Appears in Collections:气候减缓与适应

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作者单位: Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences Kunming 650201Yunnan China; University of Chinese Academy of Sciences Beijing100049 China; Institute of Meteorology and Climate Research Atmospheric Environmental Research Karlsruhe Institute of Technology Kreuzeckbahnstraße 19 82467 Garmisch-Partenkirchen Germany; Department of Biology University of Maryland College Park 20742MD USA; Southeast Asia Biodiversity Research Institute Chinese Academy of Sciences Menglun Mengla 666303Yunnan China

Recommended Citation:
Shao X.,Brown C.,Worthy S.J.,et al. Intra-specific relatedness, spatial clustering and reduced demographic performance in tropical rainforest trees[J]. Ecology Letters,2018-01-01
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