Abstract
Abies nephrolepis Max. is a fir species occurring in Northeast China, the extreme southeast of Russia and Korea. In Korea, A. nephrolepis is one of only three native fir species growing in high, mountainous areas with a disjunct distribution. We investigated genetic variation in A. nephrolepis by examining 24 ISSR polymorphic loci in 248 individuals representing eight natural populations in Korea. The level of intra-population genetic diversity (H e = 0.240) was similar to or slightly lower than that of plants with similar ecological traits and life history. Most of the genetic diversity was allocated among individuals within populations (G ST = 0.082, ΦST = 0.041) and the number of migrants per generation (N m ) was 5.56. Nei’s genetic distances were small (D = 0.027) and unrelated to geographic distances between populations. Implications for the conservation of genetic variation in A. nephrolepis in South Korea were discussed.
Résumé
Abies nephrolepis Max. est un sapin présent dans le Nord-Est de la Chine, l’extrême Sud-Est de la Russie et en Corée. En Corée, A. nephrolepis est une des trois espèces autochtones de sapin poussant dans des zones disjointes en haute montagne. Nous avons étudié la variabilité génétique chez A. nephrolepis grâce à 24 locus polymorphes ISSR sur un échantillon de 248 individus représentant huit populations naturelles en Corée. Le niveau de diversité génétique intra-population obtenu (H e = 0,240) était semblable ou légèrement plus faible que celui obtenu pour des plantes avec des caractères écologiques ou une histoire semblables. La plus grande part de la diversité génétique était représentée par la variabilité entre individus dans populations (G ST = 0,082, ΦST= 0,041) et le nombre de migrants par génération (N m) était de 5,56. Les distances génétiques de Nei étaient faibles (D = 0,027) et sans relation avec les distances géographiques entre populations. Les implications pour la conservation de la diversité génétique de A. nephrolepis en Corée du Sud sont discutées.
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Woo, L.S., Hoon, Y.B., Don, H.S. et al. Genetic variation in natural populations of Abies nephrolepis Max. in South Korea. Ann. For. Sci. 65, 302 (2008). https://doi.org/10.1051/forest:2008006
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DOI: https://doi.org/10.1051/forest:2008006