ArticlePlants (Basel, Switzerland)2023
Phylogenetic Partitioning of Gansu Flora: Unveiling the Core Transitional Zone of Chinese Flora.
Article in Plants (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Environmental response strategies for the spatial distribution of seed plants in Gansu.Frontiers in plant science · 2025Article
- Community evolution and phylogenetic structure of seed plants in Gansu, China.Frontiers in plant science · 2025Article
- Plant Taxonomy, Systematics and Phylogeography.Plants (Basel, Switzerland) · 2024Article
- Dynamic restoration mechanism of plant community in the burned area of northeastern margin of Qinghai-Tibet Plateau.Frontiers in plant science · 2024Article
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6 authors.
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Abstract
Floristic regions, conventionally established using species distribution patterns, have often overlooked the phylogenetic relationships among taxa. However, how phylogenetic relationships influence the historical interconnections within and among biogeographic regions remains inadequately understood. In this research, we compiled distribution data for seed plants in Gansu, a region of significant biogeographic diversity located in northwestern China.We proposed a novel framework for floristic regions within Gansu, integrating distribution data and phylogenetic relationships of genera-level native seed plants, aiming to explore the relationship between phylogenetic relatedness, taxonomic composition, and regional phylogenetic delineation. We found that (1) phylogenetic relatedness was strongly correlated with the taxonomic composition among floras in Gansu. (2) The southeastern Gansu region showed the lowest level of spatial turnover in both phylogenetic relationships and the taxonomic composition of floristic assemblages across the Gansu region. (3) Null model analyses indicated nonrandom phylogenetic structure across the region, where most areas showed higher phylogenetic turnover than expected given the underlying taxonomic composition between sites. (4) Our results demonstrated a consistent pattern across various regionalization schemes and highlighted the preference for employing the phylogenetic dissimilarity approach in biogeographical regionalization investigations. (5) Employing the phylogenetic dissimilarity approach, we identified nine distinct floristic regions in Gansu that are categorized into two broader geographical units, namely the northwest and southeast. (6) Based on the phylogenetic graphic regions of China across this area.
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