NDLI: The vegetation and climate change during Neocene and Early Quaternary in Jiuxi Basin, China

Content Provider	Springer Nature Link
Author	Ma, Yuzhen Fang, Xiaomin Li, Jijun Wu, Fuli Zhang, Jun
Copyright Year	2005
Abstract	Sporopollen record in the Laojunmiao Section at Yumen in the Hexi Corridor foreland depression at the northern margin of the Tibetan Plateau revealed that during the period of 13.0–11.15 Ma the ecological environment of the Jiuxi Basin is characterized by steppe vegetation and a semi-moist climate. During 11.16–8.60 Ma prevailed forests of cypress and a still warmer, moister climate; steppe vegetation and dry climate began probably at about 8.6 Ma. Although aridification had been relaxed time and again during 8.40–6.93 Ma (forest-steppe, warm-semi-moist), 6.64–5.67 Ma (open-forest and steppe, warmer-semi-moist) and 5.42–4.96 Ma (steppe, semi-arid), the climate in the region became drier and drier in response to the fre-quent occurrence of aridity during 6.93–6.64 Ma (steppe, semi-arid), 5.67–5.42 Ma (de-sert-steppe, arid), 3.66–3.30 Ma (desert-steppe, arid) and 2.56–2.21 Ma (desert, arid). Perhaps the important findings of our study are the notable expansion of drought-enduring plants during 3.66–3.30 Ma and about 2.56 Ma and the replacement of vegetation by vast arid desert.
Starting Page	676
Ending Page	688
Page Count	13
File Format	PDF
ISSN	10069313
Journal	Science in China Series D: Earth Sciences
Volume Number	48
Issue Number	5
e-ISSN	18622801
Language	English
Publisher	Science in China Press
Publisher Date	2005-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	Tibetan Plateau Hexi Corridor sporopollen record ecological environment vegetation evolution aridification Geosciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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The vegetation and climate change during Neocene and Early Quaternary in Jiuxi Basin, China

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