Effect of cliff connectivity on the genetic population structure of a rock-dwelling land snail species with frequent self-fertilization
Kurzformat
Effect of cliff connectivity on the genetic population structure of a rock-dwelling land snail species with frequent self-fertilization / Armbruster, Georg F. J. and Hofer, Martin and Baur, Bruno
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Basler Bibliographie, -
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| 008 | 100618s2007 xxk 00| | eng | ||
| 024 | 7 | |a 10.1016/j.bse.2006.12.005 |2 doi | |
| 024 | 7 | |a ISI:000246948400001 |2 isi | |
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| 245 | 0 | 0 | |a Effect of cliff connectivity on the genetic population structure of a rock-dwelling land snail species with frequent self-fertilization |c Armbruster, Georg F. J. and Hofer, Martin and Baur, Bruno |
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
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| 520 | |a To examine the effect of habitat connectivity on the genetic differentiation in the frequently selling gastropod Chondrina avenacea we assessed RAPD profiles in 12 subpopulations from continuous cliffs and in 12 subpopulations from small, naturally fragmented cliffs in the Swiss Jura mountains. Subpopulations of C. avenacea on continuous cliffs showed a smaller number of polymorphic RAPD loci and a lower gene diversity (Nei'ss h = 0.049) than subpopulations on fragmented cliffs (h = 0.078). Genetic distance was not correlated with geographical distance between subpopulations. GST analysis indicated strong isolation effects. Neither the number of polymorphic loci nor Nei'ss h was correlated with local population density. Our analysis indicates that the local population structure of C. avenacea is a combined result of frequent self-fertilization, genetic drift and low dispersal. Similar findings have been reported in studies on spatial population structure of plants. We suggest that future management actions (selective tree cutting, and controlled access of sport climbers) should also consider small, isolated limestone cliffs to preserve the genetic diversity of C. avenacea. (C) 2006 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Schneckenfauna im Nordwestschweizer Jura |5 ubs-A115 | ||
| 691 | |e 3.5.4.4.1 |2 ubs-FA | ||
| 700 | 1 | |a Hofer, Martin | |
| 700 | 1 | |a Armbruster, Georg | |
| 700 | 1 | |a Baur, Bruno |d 1955- |0 (DE-588)141714263 | |
| 773 | 0 | |t Biochemical systematics and ecology |d Oxford : Pergamon Press |g Vol. 35, H. 6 (2007), S. 325-333 |q 35/6/2007/325-333 |g yr:2007 |g no:35 |w (IDSBB)000104846DSV01 | |
| 852 | 4 | |b A115 |c 115BB |j - |9 (41SLSP_UBS)9952489750105504 | |
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| 986 | |a (41SLSP_UBS)9952489750105504 |9 (41SLSP_UBS)9952489750105504 | ||
| 990 | |b basb2007 |9 LOCAL |9 (41SLSP_UBS)9952489750105504 | ||
| 991 | |a fdbbs Institution: Universität Basel. Faculty of Science. Departement Umweltwissenschaften. Institut für Natur- Landschafts- und Umweltschutz. Naturschutzbiologie (Baur) |5 IZ UBS/18.06.2010 CONV |9 LOCAL |9 (41SLSP_UBS)9952489750105504 | ||
| 998 | |a no_inventory_analytical |9 local |9 (41SLSP_UBS)9952489750105504 | ||
Basisinformationen
Signatur:
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Basler Bibliographie, -
Ressourcentyp:
Eintrag Basler Bibliographie
Titel:
Effect of cliff connectivity on the genetic population structure of a rock-dwelling land snail species with frequent self-fertilization / Armbruster, Georg F. J. and Hofer, Martin and Baur, Bruno
Inhalt und innere Ordnung
Inhalt:
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To examine the effect of habitat connectivity on the genetic differentiation in the frequently selling gastropod Chondrina avenacea we assessed RAPD profiles in 12 subpopulations from continuous cliffs and in 12 subpopulations from small, naturally fragmented cliffs in the Swiss Jura mountains. Subpopulations of C. avenacea on continuous cliffs showed a smaller number of polymorphic RAPD loci and a lower gene diversity (Nei'ss h = 0.049) than subpopulations on fragmented cliffs (h = 0.078). Genetic distance was not correlated with geographical distance between subpopulations. GST analysis indicated strong isolation effects. Neither the number of polymorphic loci nor Nei'ss h was correlated with local population density. Our analysis indicates that the local population structure of C. avenacea is a combined result of frequent self-fertilization, genetic drift and low dispersal. Similar findings have been reported in studies on spatial population structure of plants. We suggest that future management actions (selective tree cutting, and controlled access of sport climbers) should also consider small, isolated limestone cliffs to preserve the genetic diversity of C. avenacea. (C) 2006 Elsevier Ltd. All rights reserved.
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Schneckenfauna im Nordwestschweizer Jura; ubs-A115
Anmerkungen
Sprache, Schrift:
Englisch
Klassifikationen
Klassifikation (Basler Bibliographie):
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3.5.4.4.1
Code
Code Bibliographie:
basb2007
Identifikatoren
Systemnummer:
991135661429705501
Andere Systemnummer:
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(swissbib)064042987-41slsp_network
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064042987
-
(IDSBB)005248975DSV01
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(EXLNZ-41SLSP_NETWORK)991135661429705501
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(41SLSP_UBS)9952489750105504