Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1023/A:1006511124428 |
Similarity and local co-existence of species in regional biotas | |
Leibold, MA | |
通讯作者 | Leibold, MA |
来源期刊 | EVOLUTIONARY ECOLOGY
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ISSN | 0269-7653 |
出版年 | 1998 |
卷号 | 12期号:1页码:95-110 |
英文摘要 | The notion of `community-wide character displacement’ hypothesizes that locally co-existing sets of competing species should be less similar than expected when compared to random expectations from a broader regional species pool. Here I use a mechanistic approach to the niche concept to show how this expectation is dependent on the types of traits involved. I investigate how two different niche components, those that relate to species’ requirements (or responses to environmental factors) versus those that relate to species’ impacts (or effects on environmental factors), a?ect predictions about the similarity of locally co-existing species. In contrast with more conventional approaches that focus on species impacts, I focus on species responses to conclude that locally co-existing species should be more similar in such traits than expected on the basis of random assortment from a larger equilibrium regional biota. In addition, I explore the evolutionary implications of exceptions that might favour the co-existence of species with dissimilar traits (especially those that determine species’ impacts on the environment) and conclude that these implications di?er when species compete for shared resources, interact via shared predators, or interact via both mechanisms. The analysis developed in this paper shows that the co-existence of species that are more similar than expected by chance is not incompatible with the notion of strongly interacting species in saturated local communities near equilibrium. |
英文关键词 | apparent competition character displacement co-existence keystone predator limiting similarity regional biotas resource competition |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000071700200006 |
WOS关键词 | CHARACTER DISPLACEMENT ; NICHE OVERLAP ; ECOLOGICAL COMMUNITIES ; APPARENT COMPETITION ; EVOLUTIONARY GAME ; PREY COMMUNITIES ; DESERT RODENTS ; NULL MODELS ; BODY-SIZE ; COEXISTENCE |
WOS类目 | Ecology ; Evolutionary Biology ; Genetics & Heredity |
WOS研究方向 | Environmental Sciences & Ecology ; Evolutionary Biology ; Genetics & Heredity |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/135703 |
作者单位 | (1)Univ Chicago, Dept Ecol & Evolut, Chicago, IL 60637 USA |
推荐引用方式 GB/T 7714 | Leibold, MA. Similarity and local co-existence of species in regional biotas[J],1998,12(1):95-110. |
APA | Leibold, MA.(1998).Similarity and local co-existence of species in regional biotas.EVOLUTIONARY ECOLOGY,12(1),95-110. |
MLA | Leibold, MA."Similarity and local co-existence of species in regional biotas".EVOLUTIONARY ECOLOGY 12.1(1998):95-110. |
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