GauthierSimonBergeron1992

Référence

Gauthier, S., Simon, J.-P., Bergeron, Y. (1992) Genetic structure and variability in jack pine populations: effects of insularity. Canadian Journal of Forest Research, 22(12):1958-1965. (Scopus )

Résumé

To determine the effects of insularity on the genetic structure and variability of Pinus banksiana populations at a regional scale, stands from two different landscapes were studied: two islands in a lake and two mainland areas. The two landscapes have been affected by different fire regimes. Analysis of 22 loci showed an average polymorphism of 60.0%, a mean of 2.3 alleles per locus, a mean of 1.185 effective alleles per locus, and an observed level of heterozygosity of 0.171. Results suggest that gene flow in island populations is sufficiently high to maintain a level of genetic variability similar to that found in mainland populations and to counteract the effect of isolation and differential selective pressures resulting from different disturbance regimes. -from Authors

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@ARTICLE { GauthierSimonBergeron1992,
    AUTHOR = { Gauthier, S. and Simon, J.-P. and Bergeron, Y. },
    TITLE = { Genetic structure and variability in jack pine populations: effects of insularity },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 1992 },
    VOLUME = { 22 },
    PAGES = { 1958-1965 },
    NUMBER = { 12 },
    ABSTRACT = { To determine the effects of insularity on the genetic structure and variability of Pinus banksiana populations at a regional scale, stands from two different landscapes were studied: two islands in a lake and two mainland areas. The two landscapes have been affected by different fire regimes. Analysis of 22 loci showed an average polymorphism of 60.0%, a mean of 2.3 alleles per locus, a mean of 1.185 effective alleles per locus, and an observed level of heterozygosity of 0.171. Results suggest that gene flow in island populations is sufficiently high to maintain a level of genetic variability similar to that found in mainland populations and to counteract the effect of isolation and differential selective pressures resulting from different disturbance regimes. -from Authors },
    ADDRESS = { Groupe de recherchge en ecologie forestiere, Universite du Quebec a Montreal, C.P. 8888, Succursale A, Montreal (Quebec), Canada, H3C 3P8. },
    COMMENT = { Cited By (since 1996): 8 Export Date: 26 September 2007 Source: Scopus Language of Original Document: English },
    ISSN = { 00455067 (ISSN) },
    KEYWORDS = { genetic structure, jack pine, pine, Pinus banksiana },
    OWNER = { Luc },
    TIMESTAMP = { 2007.09.26 },
    URL = { http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-0027079663&partnerID=40&rel=R6.5.0 },
}

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