Marlon E. Cobos, Yalin Cheng, Gang Song, Fumin Lei, A. Townsend Peterson
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Abstract
This study explores the evolutionary history of ecological niche characters in the Eurasian snowfinch lineage. Specifically, we use new analytical approaches to reconstruct ecological niche evolution, taking into account uncertainty in knowledge of the ecological niche limits. We found an overall pattern of niche conservatism in relation to both temperature and precipitation characteristics of niches, but for one dramatic niche evolution event, in Montifringilla nivalis. Interestingly, this species is also that which has the broadest geographic distribution among snowfinches. We conclude that an evolutionary change in niche characteristics perhaps within M. nivalis (i.e. present in some and not all of its populations) made possible the broad, westward range expansion of that species, thus changing dramatically the distributional potential of the snowfinch lineage.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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