Significant shift in the terrestrial ecosystem at the Paleogene/Neogene boundary in the Tibetan Plateau

Deng, Tao; Wu, Fuli; Wang, Shiqi; Su, Tao; Zhou, Zhe‐Kun

doi:10.1360/tb-2019-0053

Cited by 19 publications

(2 citation statements)

References 36 publications

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“…The advantage of the fossil record is that it documents the location in time and space of extinct organisms but it is, by its very nature, incomplete as only a small fraction of organisms alive at any one time become fossilized. Previous studies have generally been based on these rare occurrences (Deng et al, 2019;Ding et al, 2017;Spicer et al, 2017;Srivastava & Mehrotra, 2010;Su et al, 2020). Other than finding more fossils, there are several ways by which the record of past biome assemblies can be improved.…”

Section: In Situ Diversificationmentioning

confidence: 99%

Spatiotemporal maintenance of flora in the Himalaya biodiversity hotspot: Current knowledge and future perspectives

Wambulwa

Milne

et al. 2021

Ecology and Evolution

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Section: In Situ Diversificationmentioning

confidence: 99%

Spatiotemporal maintenance of flora in the Himalaya biodiversity hotspot: Current knowledge and future perspectives

Wambulwa

Milne

et al. 2021

Ecology and Evolution

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“… 85–87 Then, the population size appeared to dramatically decline during the Qingzang movement (3.6–1.7 Mya) 78 and Kunhuang movement (1.2–0.6 Mya), 88 when the QTP was intensively elevated from ∼2 km to its present altitude. 79 , 89 , 90 …”

Section: Resultsmentioning

confidence: 99%

Chromosome-level genome of Tibetan naked carp (Gymnocypris przewalskii) provides insights into Tibetan highland adaptation

et al. 2022

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Gymnocypris przewalskii, a cyprinid fish endemic to the Qinghai-Tibetan Plateau, has evolved unique morphological, physiological and genetic characteristics to adapt to the highland environment. Herein, we assembled a high-quality G. przewalskii tetraploid genome with a size of 2.03 Gb and scaffold N50 of 44.93 Mb, which was anchored onto 46 chromosomes. The comparative analysis suggested that gene families related to highland adaptation were significantly expanded in G. przewalskii. According to the G. przewalskii genome, we evaluated the phylogenetic relationship of 13 schizothoracine fishes, and inferred that the demographic history of G. przewalskii was strongly associated with geographic and eco-environmental alterations. We noticed that G. przewalskii experienced whole genome duplication, and genes preserved post duplication were functionally associated with adaptation to high salinity and alkalinity. In conclusion, a chromosome-scale G. przewalskii genome provides an important genomic resource for teleost fish, and will particularly promote our understanding of the molecular evolution and speciation of fish in the highland environment.

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Current biogeographical roles of the Kunlun Mountains

Jia

2022

Ecology and Evolution

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Large‐scale patterns of biodiversity and formation have garnered increasing attention in biogeography and macroecology. The Qinghai‐Tibet Plateau (QTP) is an ideal area for exploring these issues. However, the QTP consists of multiple geographic subunits, which are understudied. The Kunlun Mountains is a geographical subunit situated in the northern edge of the QTP, in northwest China. The diversity pattern, community phylogenetic structures, and biogeographical roles of the current flora of the Kunlun Mountains were analyzed by collecting and integrating plant distribution, regional geological evolution, and phylogeography. A total of 1911 species, 397 genera, and 75 families present on the Kunlun Mountains, of which 29.8% of the seed plants were endemic to China. The mean divergence time (MDT) of the Kunlun Mountains flora was in the early Miocene (19.40 Ma). Analysis of plant diversity and MDT indicated that the eastern regions of the Kunlun Mountains were the center of species richness, endemic taxa, and ancient taxa. Geographical origins analysis showed that the Kunlun Mountains flora was diverse and that numerous clades were from East Asia and Tethyan. Analysis of geographical origins and geological history together highlighted that the extant biodiversity on the Kunlun Mountains appeared through species recolonization after climatic fluctuations and glaciations during the Quaternary. The nearest taxon index speculated that habitat filtering was the most important driving force for biodiversity patterns. These results suggest that the biogeographical roles of the Kunlun Mountains are corridor and sink, and the corresponding key processes are species extinction and immigration. The Kunlun Mountains also form a barrier, representing a boundary among multiple floras, and convert the Qinghai‐Tibet Plateau into a relatively closed geographical unit.

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Significant shift in the terrestrial ecosystem at the Paleogene/Neogene boundary in the Tibetan Plateau

Cited by 19 publications

References 36 publications

Spatiotemporal maintenance of flora in the Himalaya biodiversity hotspot: Current knowledge and future perspectives

Spatiotemporal maintenance of flora in the Himalaya biodiversity hotspot: Current knowledge and future perspectives

Chromosome-level genome of Tibetan naked carp (Gymnocypris przewalskii) provides insights into Tibetan highland adaptation

Current biogeographical roles of the Kunlun Mountains

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