globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0121983
论文题名:
Physiological Plasticity to Water Flow Habitat in the Damselfish, Acanthochromis polyacanthus: Linking Phenotype to Performance
作者: Sandra A. Binning; Albert F. H. Ros; David Nusbaumer; Dominique G. Roche
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-3-25
卷: 10, 期:3
语种: 英语
英文关键词: Fishes ; Swimming ; Animal performance ; Coral reefs ; Aspect ratio ; Fish physiology ; Habitats ; Hydrocortisone
英文摘要: The relationships among animal form, function and performance are complex, and vary across environments. Therefore, it can be difficult to identify morphological and/or physiological traits responsible for enhancing performance in a given habitat. In fishes, differences in swimming performance across water flow gradients are related to morphological variation among and within species. However, physiological traits related to performance have been less well studied. We experimentally reared juvenile damselfish, Acanthochromis polyacanthus, under different water flow regimes to test 1) whether aspects of swimming physiology and morphology show plastic responses to water flow, 2) whether trait divergence correlates with swimming performance and 3) whether flow environment relates to performance differences observed in wild fish. We found that maximum metabolic rate, aerobic scope and blood haematocrit were higher in wave-reared fish compared to fish reared in low water flow. However, pectoral fin shape, which tends to correlate with sustained swimming performance, did not differ between rearing treatments or collection sites. Maximum metabolic rate was the best overall predictor of individual swimming performance; fin shape and fish total length were 3.3 and 3.7 times less likely than maximum metabolic rate to explain differences in critical swimming speed. Performance differences induced in fish reared in different flow environments were less pronounced than in wild fish but similar in direction. Our results suggest that exposure to water motion induces plastic physiological changes which enhance swimming performance in A. polyacanthus. Thus, functional relationships between fish morphology and performance across flow habitats should also consider differences in physiology.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0121983&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/22015
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, Australia;ARC Centre of Excellence for Coral Reef Studies, The Australian National University, Canberra, Australia;Eco-Éthologie, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland;Eco-Éthologie, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland;Eco-Éthologie, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland;Division of Evolution, Ecology and Genetics, Research School of Biology, The Australian National University, Canberra, Australia;ARC Centre of Excellence for Coral Reef Studies, The Australian National University, Canberra, Australia;Eco-Éthologie, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland

Recommended Citation:
Sandra A. Binning,Albert F. H. Ros,David Nusbaumer,et al. Physiological Plasticity to Water Flow Habitat in the Damselfish, Acanthochromis polyacanthus: Linking Phenotype to Performance[J]. PLOS ONE,2015-01-01,10(3)
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