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DOI | 10.1111/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 |
ISSN | 1461023X |
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 |
推荐引用方式 GB/T 7714 | 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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