Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.13381 |
Size and density mediate transitions between competition and facilitation | |
Cameron, Hayley1; Coulson, Tim2; Marshall, Dustin J.1 | |
2019-08-30 | |
发表期刊 | ECOLOGY LETTERS
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ISSN | 1461-023X |
EISSN | 1461-0248 |
出版年 | 2019 |
卷号 | 22期号:11页码:1879-1888 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia; England |
英文摘要 | Species simultaneously compete with and facilitate one another. Size can mediate transitions along this competition-facilitation continuum, but the consequences for demography are unclear. We orthogonally manipulated the size of a focal species, and the size and density of a heterospecific neighbour, in the field using a model marine system. We then parameterised a size-structured population model with our experimental data. We found that heterospecific size and density interactively altered the population dynamics of the focal species. Size determined whether heterospecifics facilitated (when small) or competed with (when large) the focal species, while density strengthened these interactions. Such size-mediated interactions also altered the pace of the focal's life history. We provide the first demonstration that size and density mediate competition and facilitation from a population dynamical perspective. We suspect such effects are ubiquitous, but currently underappreciated. We reiterate classic cautions against inferences about competitive hierarchies made in the absence of size-specific data. |
英文关键词 | Competitive hierarchy integral projection model interspecific interactions life history population dynamics response surface trait variation |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000484282500001 |
WOS关键词 | LIFE-HISTORY ; BODY-SIZE ; ASYMMETRIC FACILITATION ; POSITIVE INTERACTIONS ; EPIFAUNAL COMMUNITY ; PLANT INTERACTIONS ; ONTOGENIC SHIFTS ; DYNAMICS ; MANIPULATIONS ; POPULATIONS |
WOS类目 | Ecology |
WOS研究方向 | Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/186299 |
专题 | 资源环境科学 |
作者单位 | 1.Monash Univ, Sch Biol Sci, Ctr Geometr Biol, Melbourne, Vic, Australia; 2.Univ Oxford, Dept Zool, Oxford OX1 3PS, England |
推荐引用方式 GB/T 7714 | Cameron, Hayley,Coulson, Tim,Marshall, Dustin J.. Size and density mediate transitions between competition and facilitation[J]. ECOLOGY LETTERS,2019,22(11):1879-1888. |
APA | Cameron, Hayley,Coulson, Tim,&Marshall, Dustin J..(2019).Size and density mediate transitions between competition and facilitation.ECOLOGY LETTERS,22(11),1879-1888. |
MLA | Cameron, Hayley,et al."Size and density mediate transitions between competition and facilitation".ECOLOGY LETTERS 22.11(2019):1879-1888. |
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