Global concordance in diversity patterns of vascular plants and terrestrial vertebrates

被引:106
作者
Qian, Hong [2 ]
Ricklefs, Robert E. [1 ]
机构
[1] Univ Missouri, Dept Biol, St Louis, MO 63121 USA
[2] Illinois State Museum, Res Collect Ctr, Springfield, IL 62703 USA
关键词
biodiversity; climate; cross-taxon congruence; historical contingency; species richness;
D O I
10.1111/j.1461-0248.2008.01168.x
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The factors that determine large-scale patterns of species richness are poorly understood. In particular, biologists have not determined the relative roles of taxon-specific characteristics that influence diversification and distribution, and region-specific features that promote and constrain diversity. We show that the numbers of species of vascular plants and of four terrestrial vertebrate taxa (mammals, birds, reptiles and amphibians) vary in parallel across 296 geographic areas covering most of the globe, even after accounting for sample area, climate, topographic heterogeneity and differences between continents. Thus, a common set of regional characteristics and processes appears to shape patterns of species richness in a diverse set of taxa, despite substantial differences in their biological traits.
引用
收藏
页码:547 / 553
页数:7
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