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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Capturing richness-independent phylogenetic diversity and testing surrogates in woody plant communities
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Capturing richness-independent phylogenetic diversity and testing surrogates in woody plant communities

机译:在木质植物社区中捕捉丰富的系统发育多样性和测试代理

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摘要

Phylogenetic diversity (PD) indices quantify the evolutionary history of a community. Studies have shown how decoupling between taxon richness (TR) and PD provides useful insights into biodiversity. The present study on three dry deciduous forest patches (Nandi, Savandurga and Devarayandurga) shows such decoupling patterns. Our analysis of unique (endemic) taxa revealed that whereas the high PD in Nandi was contributed largely by its unique taxa which were composed of different evolutionary lineages, unique taxa in Savandurga contributed negatively due to highly shared lineages. Also, the use of higher-level TR did not provide an adequate surrogate for PD. We, therefore, propose the use of an integrative approach (both TR and PD) to quantify biodiversity for gaining better insights into the composition and evolutionary history of a community.
机译:系统发育多样性(PD)指标量化了社区的进化历史。 研究表明了分类货物丰富(TR)和PD之间的解耦如何为生物多样性提供有用的见解。 目前关于三种干燥落叶林贴片(Nandi,Savandurga和Devarayandurga)的研究表明了这种解耦模式。 我们对独特(特有)分类群的分析显示,否则南迪的高PD主要由其独特的分类群而贡献,该分类是由不同的进化素线组成的独特分类,萨曼加尔加的独特分类群由于高度共用的血统而导致负面贡献负面影响。 此外,使用更高级别的TR没有提供足够的PD代理。 因此,我们建议使用综合方法(TR和PD)来量化生物多样性,以便更好地了解社区的组成和进化历史。

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