气候变化领域集成服务门户(CCPortal): Eating down the food chain: generalism is not an evolutionary dead end for herbivores

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DOI	10.1111/ele.12911
	Eating down the food chain: generalism is not an evolutionary dead end for herbivores
	Rojas D.; Ramos Pereira M.J.; Fonseca C.; Dávalos L.M.
发表日期	2018
ISSN	1461023X
卷号	21 期号:3
英文摘要	The role of trophic specialisation in taxonomic diversification remains unclear. Plant specialists diversify faster than omnivores and animalivores, but at shorter macroevolutionary scales this pattern sometimes reverses. Here, we estimate the effect of diet diversification on speciation rates in noctilionoid bats, controlling for tree shape, rate heterogeneity and macroevolutionary regimes. We hypothesise that niche subdivision among herbivores positively relates to speciation rates, differing between macroevolutionary regimes. We found the rate at which new herbivorous lineages originate decreases as rates of diet evolution increase. Herbivores experience higher speciation rates, but generalist herbivores and predominantly herbivorous omnivores speciate faster than specialised herbivores, omnivores and animalivores. Generalised herbivory is not a dead end. We show that analysing ecological traits and diversification requires accounting for macroevolutionary regimes and within- and between-clade variation in evolutionary rates. Our approach overcomes the high false-positive rates of other methods and illuminates the roles of herbivory and specialisation in speciation. © 2018 John Wiley & Sons Ltd/CNRS
英文关键词	Bayesian phylogenetic mixed models; macroevolution; Noctilionoidea; path-wise rates; specialisation; speciation; trophic level; variable-rates model
语种	英语
scopus关键词	diet; food chain; herbivory; phylogeny; plant; Diet; Food Chain; Herbivory; Phylogeny; Plants
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/121357
作者单位	Department of Natural Sciences and Mathematics, Pontificia Universidad Javeriana Cali, Colombia; Department of Biology and Centre for Environmental and Marine Studies, University of Aveiro, Aveiro, 3810-193, Portugal; Institute of Biosciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Department of Ecology and Evolution, Stony Brook University, 650 Life Sciences Building, Stony Brook, NY 11794, United States; Consortium for Inter-Disciplinary Environmental Research, School of Marine and Atmospheric Sciences, Stony Brook University, 129 Dana Hall, Stony Brook, NY 11794, United States
推荐引用方式 GB/T 7714	Rojas D.,Ramos Pereira M.J.,Fonseca C.,et al. Eating down the food chain: generalism is not an evolutionary dead end for herbivores[J],2018,21(3).
APA	Rojas D.,Ramos Pereira M.J.,Fonseca C.,&Dávalos L.M..(2018).Eating down the food chain: generalism is not an evolutionary dead end for herbivores.Ecology Letters,21(3).
MLA	Rojas D.,et al."Eating down the food chain: generalism is not an evolutionary dead end for herbivores".Ecology Letters 21.3(2018).