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Community rescue in experimental metacommunities

Low-Décarie, Etienne and Kolber, Marcus and Homme, Paige and Lofano, Andrea and Dumbrell, Alex and Gonzalez, Andrew and Bell, Graham (2015) 'Community rescue in experimental metacommunities.' Proceedings of the National Academy of Sciences, 112 (46). pp. 14307-14312. ISSN 0027-8424

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<jats:title>Significance</jats:title> <jats:p>Global environmental change is challenging the adaptive capacity of entire ecological communities. Community rescue occurs when populations within a community evolve in response to an environmental stress that was initially lethal to all the constituent organisms. We studied how communities of soil microbes can extend the area they occupy to include conditions that were initially lethal, and how these communities can persist despite the degradation of environmental conditions. Our results suggest that entire communities have the potential to adapt to severe environmental stress. Community rescue is promoted by the initial diversity in the community, is more frequent among communities that have previously experienced intermediate sublethal levels of stress, and is facilitated by the dispersal of organisms across the landscape.</jats:p>

Item Type: Article
Uncontrolled Keywords: evolutionary rescue; migration; microbial diversity; toxicant; environmental degradation
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Science and Health
Faculty of Science and Health > Life Sciences, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 11 Feb 2016 17:04
Last Modified: 18 Aug 2022 11:09

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