Woody plant phylogenetic diversity supports nature's contributions to people but is at risk from human population growth

Woody plant phylogenetic diversity supports nature's contributions to people but is at risk from human population growth
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木本植物系统发育多样性支持自然对人类的贡献,但面临人口增长的风险

DOI:
10.1111/conl.12914
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发表时间:
2022
影响因子:
8.5
通讯作者:
van der Bank, Michelle
van der Bank, Michelle
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Davies, T. Jonathan;Maurin, Olivier;Yessoufou, Kowiyou;Daru, Barnabas H.;Bezeng, Bezeng S.;Mankga, Ledile T.;Schaefer, Hanno;Thuiller, Wilfried;van der Bank, Michelle

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生命之树--系统发育学--为理解调节生命多样性的过程提供了一个强大的工具。保护生命树上的树枝也可能有实际的好处。利用南部非洲木本乔木和灌木的全面系统发育和结构方程模型,我们表明,人口密度不仅与一个地区木本植物的丰富度密切相关,而且与它们的进化关联度密切相关。此外,我们还证明,系统发育上更多样化的物种组合支持生态系统产品和服务的更大多样性。我们的结果表明,非洲人可能从支持木本植物高度系统发育多样性的栖息地获得物质利益。然而,人类种群和木本植物多样性之间的相关性造成了人和生物多样性之间的紧张关系,这可能威胁到完整和系统发育多样化的生态系统对人类的贡献。
The Tree of Life—phylogeny—provides a powerful tool for understanding the processes regulating life's diversity. Conserving the branches on the Tree of Life might also have practical benefits. Using a comprehensive phylogeny of southern African woody trees and shrubs, and structural equation modeling, we show that human population density correlates closely with not only the richness of woody plants in a region but also their evolutionary relatedness. Further, we demonstrate that more phylogenetically diverse species assemblages support a greater diversity of ecosystem goods and services. Our results suggest that people in Africa may gain material benefits from inhabiting regions that support high phylogenetic diversity of woody plants. However, the correlation between human population and woody plant diversity creates a tension between people and biodiversity, which could threaten the contributions to people provided by intact and phylogenetically diverse ecosystems.
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