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DOI10.1111/ele.13768
Evidence for general size-by-habitat rules in actinopterygian fishes across nine scales of observation
Clarke J.T.
发表日期2021
ISSN1461023X
起始页码1569
结束页码1581
卷号24期号:8
英文摘要Identifying environmental predictors of phenotype is fundamentally important to many ecological questions, from revealing broadscale ecological processes to predicting extinction risk. However, establishing robust environment—phenotype relationships is challenging, as powerful case studies require diverse clades which repeatedly undergo environmental transitions at multiple taxonomic scales. Actinopterygian fishes, with 32,000+ species, fulfil these criteria for the fundamental habitat divisions in water. With four datasets of body size (ranging 10,905–27,226 species), I reveal highly consistent size-by-habitat-use patterns across nine scales of observation. Taxa in marine, marine-brackish, euryhaline and freshwater-brackish habitats possess larger mean sizes than freshwater relatives, and the largest mean sizes consistently emerge within marine-brackish and euryhaline taxa. These findings align with the predictions of seven mechanisms thought to drive larger size by promoting additional trophic levels. However, mismatches between size and trophic-level patterns highlight a role for additional mechanisms, and support for viable candidates is examined in 3439 comparisons. © 2021 The Author. Ecology Letters published by John Wiley & Sons Ltd.
关键词actinopterygian fishesfreshwatermarinephenotypic evolutionsize evolution
英文关键词Pisces; fresh water; animal; body size; ecosystem; fish; Animals; Body Size; Ecosystem; Fishes; Fresh Water
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/204358
作者单位Department of Ecology and Biogeography, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland; Institute of Ecology and Earth Sciences, Department of Zoology, University of Tartu, Tartu, Estonia
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Clarke J.T.. Evidence for general size-by-habitat rules in actinopterygian fishes across nine scales of observation[J],2021,24(8).
APA Clarke J.T..(2021).Evidence for general size-by-habitat rules in actinopterygian fishes across nine scales of observation.Ecology Letters,24(8).
MLA Clarke J.T.."Evidence for general size-by-habitat rules in actinopterygian fishes across nine scales of observation".Ecology Letters 24.8(2021).
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