Scopus记录号: 2-s2.0-85056883453
论文题名: Environmental filtering explains a U-shape latitudinal pattern in regional β-deviation for eastern North American trees
作者: Xing D. ; He F.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
卷: 22, 期: 2 起始页码: 284
结束页码: 291
语种: 英语
英文关键词: Beta diversity
; community assembly
; environmental filtering
; metacommunity
; range size
; species abundance distribution
; species aggregation
英文摘要: The underlying drivers of β-diversity along latitudinal gradients have been unclear. Previous studies have focused on β-diversities calculated at a local scale and shed limited light on regional β-diversity. We tested the much-debated effects of range size vs. environmental filtering on the β-gradient using data from the US Forest Inventory Analysis Program. We showed that the drivers of the β-gradient were scale dependent. At the local scale species spatial patterns contributed little to the β-gradient, whereas at the regional scale spatial patterns dominated the gradient and a U-shape latitudinal relationship for the standardised β-diversity deviation was revealed. The relationship can be explained by spatial variation in climate and soil texture, thus supporting the environmental filtering hypothesis. But it is inconsistent with Rapoport's rule about the effect of range size on β-gradient. These results resolve the debate on whether species spatial distributions contribute to β-gradient and attest the importance of environmental filtering in determining regional β-diversity. © 2018 John Wiley & Sons Ltd/CNRS 资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122751
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2H1, Canada
Recommended Citation:
Xing D.,He F.. Environmental filtering explains a U-shape latitudinal pattern in regional β-deviation for eastern North American trees[J]. Ecology Letters,2019-01-01,22(2)