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Genetic structure, allozyme-habitat associations and reproductive fitness in Gypsophila fastigiata (Caryophyllaceae)

Lönn, Mikael ; Prentice, Honor C. LU orcid and Bengtsson, Karin (1996) In Oecologia 106(3). p.308-316
Abstract

Relationships between allozyme differentiation, habitat variation and individual reproductive success were examined in local populations of a perennial herb. Gypsophila fastigiata, on the Baltic island of Oland (Sweden). Relatively little (c. 2%) of the total allozyme diversity in this largely outcrossing species is explained by differentiation between sites tens of kilometres apart. The low level of geographic differentiation suggests that gene flow between sites is, or has recently been, extensive. Yet the component of allozyme diversity due to differentiation between plots (only tens of meters apart) within sites is 3 times larger than the between- site component of diversity. Allozyme variation, especially at the Pgi-2 locus, is... (More)

Relationships between allozyme differentiation, habitat variation and individual reproductive success were examined in local populations of a perennial herb. Gypsophila fastigiata, on the Baltic island of Oland (Sweden). Relatively little (c. 2%) of the total allozyme diversity in this largely outcrossing species is explained by differentiation between sites tens of kilometres apart. The low level of geographic differentiation suggests that gene flow between sites is, or has recently been, extensive. Yet the component of allozyme diversity due to differentiation between plots (only tens of meters apart) within sites is 3 times larger than the between- site component of diversity. Allozyme variation, especially at the Pgi-2 locus, is significantly associated with habitat variation within sites. Different allele x habitat combinations for the Pgi-2 locus are associated with differences in individual reproductive fitness. Differential selection in different local habitats may thus contribute to the fine-scale structuring of genetic diversity within sites.

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author
; and
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Allozyme-habitat associations, Genetic structure, Gypsophila fastigiata, Reproductive fitness
in
Oecologia
volume
106
issue
3
pages
308 - 316
publisher
Springer
external identifiers
  • scopus:0029661297
ISSN
0029-8549
DOI
10.1007/BF00334558
language
English
LU publication?
no
additional info
Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
id
4429138e-be0b-4ce1-b8f7-d5fdb97e99f0
date added to LUP
2021-04-21 14:44:28
date last changed
2022-02-01 21:29:39
@article{4429138e-be0b-4ce1-b8f7-d5fdb97e99f0,
  abstract     = {{<p>Relationships between allozyme differentiation, habitat variation and individual reproductive success were examined in local populations of a perennial herb. Gypsophila fastigiata, on the Baltic island of Oland (Sweden). Relatively little (c. 2%) of the total allozyme diversity in this largely outcrossing species is explained by differentiation between sites tens of kilometres apart. The low level of geographic differentiation suggests that gene flow between sites is, or has recently been, extensive. Yet the component of allozyme diversity due to differentiation between plots (only tens of meters apart) within sites is 3 times larger than the between- site component of diversity. Allozyme variation, especially at the Pgi-2 locus, is significantly associated with habitat variation within sites. Different allele x habitat combinations for the Pgi-2 locus are associated with differences in individual reproductive fitness. Differential selection in different local habitats may thus contribute to the fine-scale structuring of genetic diversity within sites.</p>}},
  author       = {{Lönn, Mikael and Prentice, Honor C. and Bengtsson, Karin}},
  issn         = {{0029-8549}},
  keywords     = {{Allozyme-habitat associations; Genetic structure; Gypsophila fastigiata; Reproductive fitness}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{308--316}},
  publisher    = {{Springer}},
  series       = {{Oecologia}},
  title        = {{Genetic structure, allozyme-habitat associations and reproductive fitness in Gypsophila fastigiata (Caryophyllaceae)}},
  url          = {{http://dx.doi.org/10.1007/BF00334558}},
  doi          = {{10.1007/BF00334558}},
  volume       = {{106}},
  year         = {{1996}},
}