期刊
EVOLUTION
卷 66, 期 7, 页码 2216-2226出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1558-5646.2012.01581.x
关键词
range evolution; Range-size distribution; range-size heritability; simulation model; species-level selection
资金
- Danish National Research Foundation
- U.S. National Science Foundation [NSF DEB-0541936]
- Department of Energy (DOE) [DE-FG02-08ER64510]
The concept of species-level heritability is widely contested. Because it is most likely to apply to emergent, species-level traits, one of the central discussions has focused on the potential heritability of geographic range size. However, a central argument against range-size heritability has been that it is not compatible with the observed shape of present-day species range-size distributions (SRDs), a claim that has never been tested. To assess this claim, we used forward simulation of range-size evolution in clades with varying degrees of range-size heritability, and compared the output of three different models to the range-size distribution of the South American avifauna. Although there were differences among the models, a moderate-to-high degree of range-size heritability consistently leads to SRDs that were similar to empirical data. These results suggest that range-size heritability can generate realistic SRDs, and may play an important role in shaping observed patterns of range sizes.
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