气候变化领域集成服务门户(CCPortal): Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades

CCPortal

DOI	10.1111/ele.13528
	Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades
	Sentis A.; Bertram R.; Dardenne N.; Simon J.-C.; Magro A.; Pujol B.; Danchin E.; Hemptinne J.-L.
发表日期	2020
ISSN	1461023X
起始页码	1242
结束页码	1251
卷号	23 期号:8
英文摘要	Trophic cascades – the indirect effect of predators on non-adjacent lower trophic levels – are important drivers of the structure and dynamics of ecological communities. However, the influence of intraspecific trait variation on the strength of trophic cascade remains largely unexplored, which limits our understanding of the mechanisms underlying ecological networks. Here we experimentally investigated how intraspecific difference among herbivore lineages specialized on different host plants influences trophic cascade strength in a terrestrial tri-trophic system. We found that the occurrence and strength of the trophic cascade are strongly influenced by herbivores’ lineage and host-plant specialization but are not associated with density-dependent effects mediated by the growth rate of herbivore populations. Our findings stress the importance of intraspecific heterogeneities and evolutionary specialization as drivers of trophic cascade strength and underline that intraspecific variation should not be overlooked to decipher the joint influence of evolutionary and ecological factors on the functioning of multi-trophic interactions. © 2020 John Wiley & Sons Ltd/CNRS
关键词	Evo-to-eco genetic variation herbivory host-plant adaptation indirect effects tri-trophic interactions
英文关键词	evolution; food chain; herbivory; nutritional status; plant; Biological Evolution; Food Chain; Herbivory; Nutritional Status; Plants
语种	英语
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/204290
作者单位	UMR-5174, EDB, CNRS, Université Toulouse III-Paul Sabatier, IRD, Toulouse, France; UMR RECOVER, INRAE, Aix Marseille Univ, Aix-en-Provence, France; UMR 1349, IGEPP, INRAE, Université Rennes 1, Agrocampus Ouest, Le Rheu, France; PSL Université Paris: EPHE-UPVD-CNRS, USR, Uni. Perpignan, 3278 CRIOBE, France
推荐引用方式 GB/T 7714	Sentis A.,Bertram R.,Dardenne N.,et al. Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades[J],2020,23(8).
APA	Sentis A..,Bertram R..,Dardenne N..,Simon J.-C..,Magro A..,...&Hemptinne J.-L..(2020).Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades.Ecology Letters,23(8).
MLA	Sentis A.,et al."Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades".Ecology Letters 23.8(2020).