GSTDTAP  > 资源环境科学
DOI10.1111/ele.13528
Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades
Sentis, Arnaud1,2; Bertram, Raphael1; Dardenne, Nathalie1; Simon, Jean-Christophe3; Magro, Alexandra1; Pujol, Benoit4; Danchin, Etienne1; Hemptinne, Jean-Louis1
2020-05-11
发表期刊ECOLOGY LETTERS
ISSN1461-023X
EISSN1461-0248
出版年2020
卷号23期号:8页码:1242-1251
文章类型Article
语种英语
国家France
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.


英文关键词Evo-to-eco genetic variation herbivory host-plant adaptation indirect effects tri-trophic interactions
领域资源环境
收录类别SCI-E
WOS记录号WOS:000531480100001
WOS关键词BODY-SIZE ; REPRODUCTIVE ISOLATION ; PREY COMMUNITIES ; BEETLES COLEOPTERA ; PEA APHIDS ; RACES ; COCCINELLIDAE ; BEHAVIOR ; PRODUCTIVITY ; DIVERSITY
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/249195
专题资源环境科学
作者单位1.Univ Toulouse III Paul Sabatier, CNRS, EDB, UMR 5174,IRD, Toulouse, France;
2.Aix Marseille Univ, INRAE, UMR RECOVER, Aix En Provence, France;
3.Univ Rennes 1, INRAE, IGEPP, Agrocampus Ouest,UMR 1349, Le Rheu, France;
4.Univ Perpignan, PSL Univ Paris EPHE UPVD CNRS, USR, CRIOBE 3278, Perpignan, France
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GB/T 7714
Sentis, Arnaud,Bertram, Raphael,Dardenne, Nathalie,et al. Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades[J]. ECOLOGY LETTERS,2020,23(8):1242-1251.
APA Sentis, Arnaud.,Bertram, Raphael.,Dardenne, Nathalie.,Simon, Jean-Christophe.,Magro, Alexandra.,...&Hemptinne, Jean-Louis.(2020).Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades.ECOLOGY LETTERS,23(8),1242-1251.
MLA Sentis, Arnaud,et al."Intraspecific difference among herbivore lineages and their host-plant specialization drive the strength of trophic cascades".ECOLOGY LETTERS 23.8(2020):1242-1251.
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