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What Are the Enviro...
What Are the Environmental Determinants of Phenotypic Selection? : A Meta-analysis of Experimental Studies
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- Caruso, Christina M. (author)
- Univ Guelph, Dept Integrat Biol.
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- Martin, Ryan A. (author)
- Case Western Reserve Univ, Dept Biol.
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- Sletvold, Nina (author)
- Uppsala universitet,Växtekologi och evolution
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- Morrissey, Michael B. (author)
- Univ St Andrews, Sch Biol.
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- Wade, Michael J. (author)
- Indiana Univ, Dept Biol.
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- Augustine, Kate E. (author)
- Univ N Carolina, Dept Biol.
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- Carlson, Stephanie M. (author)
- Univ Calif Berkeley, Dept Environm Sci Policy & Management.
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- MacColl, Andrew D. C. (author)
- Univ Nottingham, Sch Life Sci.
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- Siepielski, Adam M. (author)
- Univ Arkansas, Dept Biol Sci.
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- Kingsolver, Joel G. (author)
- Univ N Carolina, Dept Biol.
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Univ Guelph, Dept Integrat Biol Case Western Reserve Univ, Dept Biol. (creator_code:org_t)
- University of Chicago Press, 2017
- 2017
- English.
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In: American Naturalist. - : University of Chicago Press. - 0003-0147 .- 1537-5323. ; 190:3, s. 363-376
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Although many selection estimates have been published, the environmental factors that cause selection to vary in space and time have rarely been identified. One way to identify these factors is by experimentally manipulating the environment and measuring selection in each treatment. We compiled and analyzed selection estimates from experimental studies. First, we tested whether the effect of manipulating the environment on selection gradients depends on taxon, trait type, or fitness component. We found that the effect of manipulating the environment was larger when selection was measured on life-history traits or via survival. Second, we tested two predictions about the environmental factors that cause variation in selection. We found support for the prediction that variation in selection is more likely to be caused by environmental factors that have a large effect on mean fitness but not for the prediction that variation is more likely to be caused by biotic factors. Third, we compared selection gradients from experimental and observational studies. We found that selection varied more among treatments in experimental studies than among spatial and temporal replicates in observational studies, suggesting that experimental studies can detect relationships between environmental factors and selection that would not be apparent in observational studies.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- causes of selection
- directional selection
- fitness
- natural selection
- selection gradient
Publication and Content Type
- ref (subject category)
- art (subject category)
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Caruso, Christin ...
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Martin, Ryan A.
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Sletvold, Nina
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Morrissey, Micha ...
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Wade, Michael J.
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Augustine, Kate ...
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Carlson, Stephan ...
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MacColl, Andrew ...
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Siepielski, Adam ...
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Kingsolver, Joel ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Evolutionary Bio ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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American Natural ...
- By the university
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Uppsala University