期刊
NATURE ECOLOGY & EVOLUTION
卷 1, 期 12, 页码 1903-+出版社
NATURE PORTFOLIO
DOI: 10.1038/s41559-017-0348-7
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资金
- University of Amsterdam (starting grant)
- Danish Council for Independent Research-Natural Sciences [11-106163]
- Netherlands Organisation for Scientific Research [824.15.007]
- Garfield Weston Foundation
- European Research Council [ERC-2012-StG-310886-HISTFUNC]
- VILLUM FONDEN
- Villum Fonden [00016549] Funding Source: researchfish
Animal-mediated seed dispersal by frugivorous birds and mammals is central to the ecology and functioning of ecosystems, but whether and how frugivory-related traits have affected plant speciation remains little explored. Fruit size is directly linked to plant dispersal capacity and therefore influences gene flow and genetic divergence of plant populations. Using a global species-level phylogeny with comprehensive data on fruit sizes and plant species distributions, we test whether fruit size has affected speciation rates of palms (Arecaceae), a plant family characteristic of tropical rainforests. Globally, the results reveal that palms with small fruit sizes have increased speciation rates compared with those with large (megafaunal) fruits. Speciation of small-fruited palms is particularly high in the understory of tropical rainforests in the New World, and on islands in the Old World. This suggests that frugivory-related traits in combination with geography and the movement behaviour of frugivores can influence the speciation of fleshy-fruited plants.
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