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research
Reduced swimming performance repeatedly evolves on loss of migration in landlocked populations of alewife
Authors
Jonathan P. Velotta
Stephen D. McCormick
Andrew W. Jones
Eric T. Schultz
Publication date
30 January 2018
Publisher
University of Chicago Press
Doi
Abstract
Author Posting. © University of Chicago, 2018. This article is posted here by permission of University of Chicago Press for personal use, not for redistribution. The definitive version was published in Physiological and Biochemical Zoology 91 (2018):814–825, doi:10.1086/696877.Whole-organism performance tasks are accomplished by the integration of morphological traits and physiological functions. Understanding how evolutionary change in morphology and physiology influences whole-organism performance will yield insight into the factors that shape its own evolution. We demonstrate that nonmigratory populations of alewife (Alosa pseudoharengus) have evolved reduced swimming performance in parallel, compared with their migratory ancestor. In contrast to theoretically and empirically based predictions, poor swimming among nonmigratory populations is unrelated to the evolution of osmoregulation and occurs despite the fact that nonmigratory alewives have a more fusiform (torpedo-like) body shape than their ancestor. Our results suggest that elimination of long-distance migration from the life cycle has shaped performance more than changes in body shape and physiological regulatory capacity.Funding was provided by the University of Connecticut’s Department of Ecology and Evolutionary Biology and El Muy Viejo.2019-01-3
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ENS Cachan (École normale supérieure de Cachan): ARThèque
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ENS Cachan (École normale supérieure de Cachan): ARThèque
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:artheque.ens-cachan.fr:440...
Last time updated on 15/12/2019