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Phylogeography provides an evolutionary context for the conservation of a diverse and ancient flora
被引:62
|作者:
Byrne, M.
[1
]
机构:
[1] Dept Environm & Conservat, Div Sci, Bentley, WA 6983, Australia
关键词:
D O I:
10.1071/BT06072
中图分类号:
Q94 [植物学];
学科分类号:
071001 ;
摘要:
Phylogeography can inform conservation strategies through assessment of genetic diversity that incorporates an evolutionary perspective, and allows evaluation within a geographical context, thus providing integration with other biogeographical information. Comparative phylogeography can identify significant historical processes that have had major influences on the biota and provides a historical context for understanding current species distributions. The phylogeographic patterns in the flora of south-western Australia are reviewed. Concordant patterns of lineage divergence in three unrelated taxa from separate families with widespread distributions indicate a common response to major historical processes involved in Pleistocene climatic fluctuations. Identification of highly divergent haplotypes in some species indicates areas that may represent refugia during times of climatic instability. Analysis of phylogeographic patterns in the flora of south-western Australia has revealed the influence of historical climate change in promoting high phylogenetic diversity within species that is comparable to the high species diversity that is well known in the Western Australian flora. Knowledge of historical influences and species responses provides an evolutionary context for conservation management strategies that facilitate the continued action of dynamic evolutionary processes.
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页码:316 / 325
页数:10
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