A multi-faceted comparative perspective on elevational beta-diversity: the patterns and their causes.
A multi-faceted comparative perspective on elevational beta-diversity: the patterns and their causes.
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高程β多样性的多方面比较视角：模式及其原因
DOI：
10.1098/rspb.2021.0343
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发表时间：
2021-04-28
期刊：
影响因子：
--
通讯作者：
Qiao H
中科院分区：
文献类型：
--
作者：
Du Y;Fan L;Xu Z;Wen Z;Cai T;Feijo A;Hu J;Lei F;Yang Q;Qiao H
海拔高度β -多样性的观测模式和潜在机制已经得到了深入的探讨，但多维度的比较研究仍然很少。在此基础上，针对不同的β -多样性成分、维度和物种群，设计了一个多角度的比较框架，旨在揭示海拔高度β -多样性观测模式的一般规律和潜在原因。研究发现：首先，物种多样性的海拔分布格局中，更替过程占主导地位（βsim > βsne），而巢性过程在海拔性状差异上相对更为重要（βfuncsim < βfuncsne）；(2)分类转换相对高于其系统发育和功能类似物（βsim > βphylosim/βfuncsim），相反，巢性导致的性状差异倾向于高于其分类和系统发育测量（βfuncsne > βsne/βphylosne）；第三，随着海拔高度的增加，环境过滤和限制相似性的矛盾动态共同主导了β -多样性的海拔格局，特别是在分类维度上。基于这些发现，我们推断，具有相似功能属性的系统发育亲缘物种之间的物种更替可能是形成多维β多样性纵向格局的主要原因。由于随机化方法的方法限制，目前，将中性过程的影响与对立的基于小生境的过程之间的抵消区分开来仍然极具挑战性。尽管物种聚集过程具有复杂性和不确定性，但从多维比较的角度来看，本研究为我们提供了海拔高度β -多样性动态的几个重要共性。
The observed patterns and underlying mechanisms of elevational beta-diversity have been explored intensively, but multi-dimensional comparative studies remain scarce. Herein, across distinct beta-diversity components, dimensions and species groups, we designed a multi-faceted comparative framework aiming to reveal the general rules in the observed patterns and underlying causes of elevational beta-diversity. We have found that: first, the turnover process dominated altitudinal patterns of species beta-diversity (βsim > βsne), whereas the nestedness process appeared relatively more important for elevational trait dissimilarity (βfuncsim < βfuncsne); second, the taxonomic turnover was relative higher than its phylogenetic and functional analogues (βsim > βphylosim/βfuncsim), conversely, nestedness-resultant trait dissimilarity tended to be higher than the taxonomic and phylogenetic measures (βfuncsne > βsne/βphylosne); and third, as elevational distance increased, the contradicting dynamics of environmental filtering and limiting similarity have jointly led the elevational patterns of beta-diversity, especially at taxonomic dimension. Based on these findings, we infer that the species turnover among phylogenetic relatives sharing similar functional attributes appears to be the main cause of shaping the altitudinal patterns of multi-dimensional beta-diversity. Owing to the methodological limitation in the randomization approach, currently, it remains extremely challenging to distinguish the influence of the neutral process from the offset between opposing niche-based processes. Despite the complexities and uncertainties during species assembling, with a multi-dimensional comparative perspective, this work offers us several important commonalities of elevational beta-diversity dynamics.
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影响因子：
4.8
作者：
BLACKBURN, TM;BROWN, VK;STORK, NE
通讯作者：
STORK, NE
影响因子：
4.8
作者：
de Bello, Francesco;Price, Jodi N.;Paertel, Meelis
通讯作者：
Paertel, Meelis
影响因子：
2.6
作者：
Du Y;Wen Z;Zhang J;Lv X;Cheng J;Ge D;Xia L;Yang Q
通讯作者：
Yang Q
影响因子：
6.4
作者：
Baselga, Andres
通讯作者：
Baselga, Andres
DOI：
10.1073/pnas.0901649106
发表时间：
2009-11-17
影响因子：
11.1
作者：
Graham, Catherine H.;Parra, Juan L.;McGuire, Jimmy A.
通讯作者：
McGuire, Jimmy A.