期刊
JOURNAL OF SYSTEMATICS AND EVOLUTION
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/jse.13019
关键词
CANAPE; phylogenetic turnover; range-weighted turnover; spatial phylogenetics
Banksia, an iconic genus endemic to Australia, exhibits significant phylogenetic clustering and concentrations of phylogenetic endemism in southwestern Western Australia. Environmental factors, particularly climate, play a key role in shaping turnover patterns.
Banksia L.f., an iconic genus of the Proteaceae, is endemic to Australia, with its highest species richness and phylogenetic diversity (PD) in southwestern Western Australia. Analysis of the phylogenetic component of richness and endemism uncovered important patterns of Banksia evolutionary history that are not seen at the species level. We found that Banksia is significantly phylogenetically clustered in this region, likely due to recent evolutionary radiations. We also found significant concentrations of phylogenetic endemism in this region, both neoendemism (short, range-restricted evolutionary branches) and paleoendemism (long, range-restricted evolutionary branches). There is a striking northwest to southeast divide in phyloturnover in southwestern Western Australia. The majority of the variation in turnover patterns can be explained by environmental factors, with climate representing the largest covariate. This study adds to the growing body of evidence that indicates the importance of integrating phylogenetic and biodiversity data to inform conservation planning.
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