Contribution of rarity and commonness to patterns of species richness

被引:250
作者
Lennon, JJ [1 ]
Koleff, P
Greenwood, JJD
Gaston, KJ
机构
[1] Macaulay Inst, Aberdeen AB15 8QH, Scotland
[2] Comis Nacl Conocimiento & Uso Biodiversidad, Liga Perifer, Mexico City 14010, DF, Mexico
[3] The Nunnery, British Trust Ornithol, Norfolk, England
[4] Univ Sheffield, Dept Anim & Plant Sci, Biodivers & Macroecol Grp, Sheffield S10 2TN, S Yorkshire, England
关键词
distribution; diversity; rarity;
D O I
10.1046/j.1461-0248.2004.00548.x
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
There is little understanding in ecology as to how biodiversity patterns emerge from the distribution patterns of individual species. Here we consider the question of the contributions of rare (restricted range) and common (widespread) species to richness patterns. Considering a species richness pattern, is most of the spatial structure, in terms of where the peaks and troughs of diversity lie, caused by the common species or the rare species (or neither)? Using southern African and British bird richness patterns, we show here that commoner species are most responsible for richness patterns. While rare and common species show markedly different species richness patterns, most spatial patterning in richness is caused by relatively few, more common, species. The level of redundancy we found suggests that a broad understanding of what determines the majority of spatial variation in biodiversity may be had by considering only a minority of species.
引用
收藏
页码:81 / 87
页数:7
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