Ecological niche structure and rangewide abundance patterns of species

被引：218

作者：

Martinez-Meyer, Enrique ^{[1
]}

Diaz-Porras, Daniel ^{[1
,2
]}

Peterson, A. Townsend ^{[3
]}

Yanez-Arenas, Carlos ^{[4
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Biol, Mexico City 04510, DF, Mexico

[2] Univ Autonoma Benito Juarez Oaxaca, Escuela Ciencias, Oaxaca 68120, Mexico

[3] Univ Kansas, Biodivers Inst, Lawrence, KS 66045 USA

[4] Inst Ecol AC, Xalapa 91070, Veracruz, Mexico

来源：

BIOLOGY LETTERS | 2013年 / 9卷 / 01期

关键词：

abundance; geographical range; environmental space; abundant-centre hypothesis; GEOGRAPHIC DISTRIBUTIONS; DISTRIBUTION MODELS; POPULATION; EVOLUTION; CONSERVATION; HABITAT;

D O I：

10.1098/rsbl.2012.0637

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Spatial abundance patterns across species' ranges have attracted intense attention in macroecology and biogeography. One key hypothesis has been that abundance declines with geographical distance from the range centre, but tests of this idea have shown that the effect may occur indeed only in a minority of cases. We explore an alternative hypothesis: that species' abundances decline with distance from the centroid of the species' habitable conditions in environmental space (the ecological niche). We demonstrate consistent negative abundance-ecological distance relationships across all 11 species analysed (turtles to wolves), and that relationships in environmental space are consistently stronger than relationships in geographical space.

引用

页数：5

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