CONSERVATION EVALUATION AND PHYLOGENETIC DIVERSITY
CONSERVATION EVALUATION AND PHYLOGENETIC DIVERSITY
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DOI：
10.1016/0006-3207(92)91201-3
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发表时间：
1992-01-01
影响因子：
5.9
通讯作者：
FAITH, DP
中科院分区：
文献类型：
--
作者：
FAITH, DP
利用有限的资源保护生物多样性可能需要对不同的分类群进行优先保护。通过设置优先级，使受保护的分类群子集具有最大的潜在特征多样性，可以实现反映分类多样性价值的优先级系统。分类群亚群的这种特征多样性很难直接估计，但可以通过分类群之间的枝系/系统发育关系来预测。在这项研究中，一个简单的测量系统发育多样性的定义是基于分支信息。系统发育多样性（PD）的测量方法与最近由Vane-Wright等人开发的分类多样性测量方法进行了对比。Conserv。， 55, 1991)。在重新研究基于大黄蜂（蜂科）系统发育的储备选择情景时，PD产生了相对于分类多样性的物种保护的完全不同的优先级。PD在低于该物种水平下的潜在应用，然后用冠蝾螈（triiturus cristatus）种群的mtDNA系统发育来说明。对不同种群子集的PD计算表明，保护种群在种群地理范围的两个极端中的任何一个都可以显著增加被保护种群的系统发育多样性。
Protecting biological diversity with limited resources may require placing conservation priorities on different taxa. A system of priorities that reflects the value of taxonomic diversity can be achieved by setting priorities such that the subset of taxa that is protected has maximum underlying feature diversity. Such feature diversity of taxon subsets is difficult to estimate directly, but can be predicted by the cladistic/phylogenetic relationships among the taxa. In this study, a simple measure of phylogenetic diversity is defined based on cladistic information. The measure of phylogenetic diversity, PD, is contrasted with a measure of taxic diversity recently developed by Vane-Wright et al. (Biol. Conserv., 55, 1991). In re-examining reserve-selection scenarios based on a phylogeny of bumble bees (Apidae), PD produces quite different priorities for species conservation, relative to taxic diversity. The potential application of PD at levels below that of the species is then illustrated using a mtDNA phylogeny for populations of crested newts Triturus cristatus. Calculation of PD for different population subsets shows that protection of populations at either of two extremes of the geographic range of the group can significantly increase the phylogenetic diversity that is protected.