Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.12976 |
Predator size divergence depends on community context | |
Okuzaki, Yutaka1; Sota, Teiji2 | |
2018-07-01 | |
发表期刊 | ECOLOGY LETTERS |
ISSN | 1461-023X |
EISSN | 1461-0248 |
出版年 | 2018 |
卷号 | 21期号:7页码:1097-1107 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | Body size is a multi-functional trait related to various fitness components, but the relative importance of different selection pressures is seldom resolved. In Carabus japonicus beetles, of which the larvae exclusively prey on earthworms, adult body size is related to the presence/absence of a larger congener and habitat temperature. In sympatry, C. japonicus consistently exhibits smaller body size which is effective for avoiding interspecific mating, but in allopatry, it shows size variation unrelated to temperature. Here, we show that this predator-size variation is attributed to prey-size variation, associated with high phylogenetic diversity in earthworm communities. In allopatry, the predator size was larger where larger prey occurred. Larger adult size may have been selected because larger females produce larger larvae, which can subdue larger prey. Thus, in the absence of a larger congener, variation in prey body size had a pronounced effect on geographic body size divergence in C. japonicus. |
英文关键词 | Adaptive evolution beta diversity carabid beetle character release DNA barcoding DNA taxonomy earthworm reproductive interference UniFrac distance |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435270600015 |
WOS关键词 | BODY-SIZE ; CHARACTER DISPLACEMENT ; PHENOTYPIC PLASTICITY ; TRADE-OFFS ; EVOLUTION ; BEETLE ; PHYLOGENETICS ; SELECTION ; OHOMOPTERUS ; GIGANTISM |
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/31423 |
专题 | 资源环境科学 |
作者单位 | 1.Hokkaido Univ, Field Sci Ctr Northern Biosphere, Takaoka, Tomakomai 0530035, Japan; 2.Kyoto Univ, Dept Zool, Grad Sch Sci, Kyoto 6068502, Japan |
推荐引用方式 GB/T 7714 | Okuzaki, Yutaka,Sota, Teiji. Predator size divergence depends on community context[J]. ECOLOGY LETTERS,2018,21(7):1097-1107. |
APA | Okuzaki, Yutaka,&Sota, Teiji.(2018).Predator size divergence depends on community context.ECOLOGY LETTERS,21(7),1097-1107. |
MLA | Okuzaki, Yutaka,et al."Predator size divergence depends on community context".ECOLOGY LETTERS 21.7(2018):1097-1107. |
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