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The genetic heterogeneity of deer mouse populations ( Peromyscus maniculatus ) in an insular landscape
Author(s) -
Landry PierreAlexandre,
Lapointe FrançoisJoseph
Publication year - 1999
Publication title -
population ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 59
eISSN - 1438-390X
pISSN - 1438-3896
DOI - 10.1007/s101440050030
Subject(s) - peromyscus , analysis of molecular variance , biology , deer mouse , rapd , population , genetic variability , gene flow , genetic distance , ecology , zoology , homogeneity (statistics) , genetic variation , genetic diversity , genetics , genotype , demography , statistics , gene , sociology , mathematics
A survey of the genetic variability in deer mouse populations was performed using specimens collected from six different islands on a lake covering approximately 50 km 2 . Random amplified polymorphic DNA (RAPD) was used to measure the extent of the genetic differences in this insular system. An analysis of molecular variance (AMOVA) revealed that populations are clearly separated at this microgeographic scale ( F st = 0.13863; P < 0.001). The homogeneity of molecular variance test (HOMOVA) indicated that within‐population levels vary greatly ( B p = 0.76831; P < 0.001). The within‐population molecular variance was found to be mainly correlated with the accessibility of the islands, computed as the inverse of the geographic distance separating an island from the lakeshore ( r = 0.916; P < 0.003).