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Higher establishmen...
Higher establishment success in more diverse groups of pygmy grasshoppers under seminatural conditions
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- Wennersten, Lena (author)
- Linnéuniversitetet,Institutionen för naturvetenskap, NV
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- Johansson, Jenny (author)
- Linnéuniversitetet,Institutionen för naturvetenskap, NV
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- Karpestam, Einat (author)
- Linnéuniversitetet,Institutionen för naturvetenskap, NV
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- Forsman, Anders (author)
- Linnéuniversitetet,Institutionen för naturvetenskap, NV,Ctr Ecol & Evolut Microbial Model Syst EEMiS
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(creator_code:org_t)
- Wiley, 2012
- 2012
- English.
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In: Ecology. - : Wiley. - 0012-9658 .- 1939-9170. ; 93:12, s. 2519-2525
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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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- Large founder groups and habitat match have been shown to increase the establishment success of reintroduced populations. Theory posits that the diversity of founder groups should also be important, but this has rarely been investigated. Here, experimental introductions of color-polymorphic Tetrix subulata pygmy grasshoppers into outdoor enclosures were used to test whether higher phenotypic diversity promotes establishment success. We show that the number of individuals present one year after introduction increases with color morph diversity in founder groups. Variance in establishment success did not decrease with increasing founder diversity, arguing against an important contribution of sampling effects or evolutionary rescue. Color morphs in T. subulata covary with a suite of other functionally important traits and utilize different resources. The higher establishment success in more diverse founder groups may therefore result, in part, from niche complementarity. Variation in establishment among groups was not associated with differences among source populations in reproductive capacities.
Subject headings
- NATURVETENSKAP -- Biologi -- Utvecklingsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Developmental Biology (hsv//eng)
Keyword
- colonization
- color morphs
- conservation biology
- establishment
- phenotypic diversity
- polymorphism
- pygmy grasshopper
- Tetrix subulata
- translocation
- variable founder groups
- Evolutionary Biology
- Evolutionsbiologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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