![]() These populations contained only a subset of the genetic diversity found in Central Honshu and the Kii Peninsula (Central Honshu, He = 0.347, Ar = 2.707 and the Kii Peninsula, He = 0.337, Ar = 2.683), suggesting a reduction in genetic diversity as a result of bottlenecks. Conflict among genetic diversity and divergence population prioritization methods was observed in populations at the southwestern range edge of Kyushu and Chugoku, which were the most genetically distinct but also harboured the lowest diversity (Kyushu, He = 0.288, Ar = 2.172, and Chugoku, He = 0.222, Ar = 2.010). High genetic structuring at the nuclear level compared to many other conifers ( Fst = 0.129) was observed across the species range along with significant differences in genetic diversity between southern and northern populations. This study examines the potential conflicts in population prioritization for a relictual Japanese endemic conifer, Sciadopitys verticillata using nuclear microsatellites. However, these measures may be confounded when past bottlenecks reduce genetic diversity of populations but also lead to their divergence. Genetic divergence and diversity are the two foundations by which priorities for conservation are typically determined. A major goal of conservation genetics is to determine which specific populations are most crucial for in situ or ex situ conservation. ![]()
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