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Diversity patterns and effect factors of Ranunculaceae in eastern Eurasiaстатья
- Авторы: Yichao Li, Chen Yongsheng, Sandanov Denis, Luo Ao, Lü Tong, Su Xiangyan, Liu Yunpeng, Wang Qinggang, Chepinoga Viktor, Dudov Sergey, Wang Wei, Wang Zhiheng
- Журнал: Sheng wu duo yang xing = Chinese biodiversity
- Год издания: 2021
- Издательство: "Sheng wu duo yang xing" bian ji bu
- Местоположение издательства: Beijing, China
- DOI: 10.17520/biods.2020246
- Аннотация: anunculaceae, one of the basal clades in eudicots of angiosperms, has a variety of medicinal plants and is of high conservation value. However, large-scale patterns in species richness and phylogenetic diversity of Ranunculaceae based on high-resolution distribution data and their environmental determinants remain poorly understood. Here, we established the first species distribution database for 1688 Ranunculaceae species across eastern Eurasia by compiling distribution data from regional and local floral records from across their global range of China, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Mongolia, and Russia at a spatial resolution of 100 × 100 km2. Using this database, we mapped large-scale patterns in species richness and phylogenetic diversity for different life forms and explored the mechanisms underlying these patterns. We also quantified the relationship between species richness and phylogenetic diversity and identified hotspots of Ranunculaceae diversity. We found a latitudinal gradient in both species richness and phylogenetic diversity and revealed that Ranunculaceae in eastern Eurasia have particularly high levels of diversity in mountainous areas. Contemporary climate, habitat heterogeneity, and climate changes since the Last Glacial Maximum (LGM) all influenced spatial patterns in species richness and phylogenetic diversity, but their relative contributions varied across life forms. Phylogenetic diversity at mid and high latitudes was higher than expected when controlling for species richness, which suggests that these latitudes may represent a paleo-biodiversity hotspot of Ranunculaceae. Consequently, these regions should be considered a key conservation priority for this important family
- Добавил в систему: Дудов Сергей Валерьевич