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Phylogeographic and demographic effects of Quaternary climate oscillations in Hexinia polydichotoma (Asteraceae) in Tarim Basin and adjacent areas
TLDR
Examination of the phylogeographic structure and historical factors that influenced the evolutionary history of Hexinia polydichotoma in its entire cover range, Tarim Basin and adjacent areas suggests that genetic variation primarily occurs among populations, and all populations were subdivided into five groups by SAMOVA. Expand
Evolutionary response to Quaternary climate aridification and oscillations in north-western China revealed by chloroplast phylogeography of the desert shrub Nitraria sphaerocarpa (Nitrariaceae)
TLDR
The drying climate during the Quaternary is proposed to have been a driver for significant genetic isolation and divergence among populations in N. sphaerocarpa, and the species was indicated to have had a shrunken and more fragmented range during the Last Glacial Maximum. Expand
Geographical isolation and environmental heterogeneity contribute to the spatial genetic patterns of Quercus kerrii (Fagaceae)
TLDR
Investigation of the spatial genetic patterns and distribution dynamics of Quercus kerrii, a dominant evergreen oak inhabiting southwest China lowland evergreen-broadleaved forests, provides new insights into the historical dynamics of subtropical EBLFs and the changing biota of southwest China. Expand
Evolutionary History of a Desert Shrub Ephedra przewalskii (Ephedraceae): Allopatric Divergence and Range Shifts in Northwestern China
TLDR
The cold and dry climate during the glacial period of the Quaternary is postulated to have been a driver for significant genetic isolation and divergence among populations or groups in E. przewalskii, whereas the warmer and wetterClimate during the interglacial period is speculated to have provided favourable conditions for range expansion of the species. Expand
Chloroplast phylogeography of Helianthemum songaricum (Cistaceae) from northwestern China: implications for preservation of genetic diversity
TLDR
It is speculated that aggravation of the dry and cold climate during the early Quaternary, combined with plant physiological features, were determining factors contributing to the lineage split, and climate oscillations most likely led to the Yili range expansion. Expand
Evolutionary response to the Qinghai-Tibetan Plateau uplift: phylogeny and biogeography of Ammopiptanthus and tribe Thermopsideae (Fabaceae)
TLDR
These analyses support the genera of Thermopsideae, with the exclusion of Pickeringia, being merged into a monophyletic Sophoreae, and monophyly of Anagyris, Baptisia and Piptanthus were supported in the Thermopsoid clade. Expand
Genetic diversity and structure of an endangered desert shrub and the implications for conservation
TLDR
The total gene diversity was moderate, whereas the allelic diversity was low; there were high levels of gene flow among populations of T. taklamakanensis in the center of Tarim Basin, but higher levels genetic differentiation in geographically outlying populations. Expand
Conservation genetics and geographic patterns of genetic variation of endangered shrub Ammopiptanthus (Fabaceae) in northwestern China
TLDR
The cold and dry climate during the early Quaternary fragmented habitats of the species, limiting gene flow between regions, and interglacial periods most likely led to the range expansion in western Xinjiang. Expand
Phylogeographical patterns of two closely related desert shrubs, Nitraria roborowskii and N. sphaerocarpa (Nitrariaceae), from arid north‐western China
TLDR
This study selected Nitraria roborowskii and N. sphaerocarpa and examined the geographical apportionment of genetic variation in their vast range to investigate the influence of climate aridification and oscillations on the genetic diversity and evolutionary processes of organisms in the Quaternary. Expand
Conservation genetics and geographic patterns of genetic variation of the endangered officinal herb Fritillaria pallidiflora
TLDR
This species is distributed in different deep valleys, and it is speculated that these fragmented habitats cause gene flow barriers among populations and groups, and during glacial periods, extremely low temperatures and aridity caused additional range shrinkage and fragmentation, factors consequently resulting in significant intraspecific differentiation in allopatric regions. Expand
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