Conflict in outcomes for conservation based on population genetic diversity and genetic divergence approaches: a case study in the Japanese relictual conifer Sciadopitys verticillata (Sciadopityaceae)

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