Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world

doi:10.1016/j.biocon.2024.110506

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	Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world
	Qian, Hong; Kessler, Michael; Qian, Shenhua; Zhang, Jian
	2024
发表期刊	BIOLOGICAL CONSERVATION
ISSN	0006-3207
卷号	291 页码:110506
摘要	Endemism of lineages reflects how speciation, extinction, and dispersal have influenced current distributions of species and higher lineages. Understanding patterns of endemism of lineages provides important insights into variation in geographic community composition. The distribution patterns of endemism are considered fundamental data used for biological conservation plans. Here, we investigate geographic patterns and ecological drivers of taxonomic and phylogenetic endemism of regional fern floras across the world. The world was divided into 392 geographic units. We measured taxonomic endemism (TE) as range size rarity, and phylogenetic endemism (PE) of a geographic region as the total phylogenetic branch length encompassed by taxa in the geographic region, where the phylogeny was modified such that each branch length was divided by the global range size of its descendent clade. We determined relative phylogenetic endemism (RPE) for each of the 392 regions and identify neo- and paleo-endemism centers of ferns in the world. Variables representing current climate, historical climate change, and environmental variability together explained 68 % and 64 % of global variation in taxonomic and phylogenetic endemism, respectively; 30 % and 27 % was independently explained by current climate, respectively, and <7 % was independently explained by either of the other two groups of variables. We identified 49 regions as significant centers of fern endemism, of which 22, 6, and 21 regions were determined as centers of paleo-endemism, neo-endemism, and mixed endemism, respectively. We found that the identified centers of paleo-endemism and neo-endemism of ferns are mostly located in tropical and subtropical regions, with a few located in temperate regions. Our findings show that current climate is the major driver of fern endemism.
DOI	10.1016/j.biocon.2024.110506
WOS记录号	WOS:001197795000001
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76278
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Qian, Hong,Kessler, Michael,Qian, Shenhua,et al. Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world[J]. BIOLOGICAL CONSERVATION,2024,291:110506.
APA	Qian, Hong,Kessler, Michael,Qian, Shenhua,&Zhang, Jian.(2024).Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world.BIOLOGICAL CONSERVATION,291,110506.
MLA	Qian, Hong,et al."Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world".BIOLOGICAL CONSERVATION 291(2024):110506.

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