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Holocene fire, vegetation, and climate dynamics inferred from charcoal and pollen record in the eastern Tibetan Plateau
Zhao, Wenwei1; Zhao, Yan2,3; Qin, Feng2
2017-10-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume147Pages:9-16
Corresponding AuthorZhao, Yan(zhaoyan@igsnrr.ac.cn)
AbstractUnderstanding fire history and its driving mechanisms can provide valuable insights into present fire regime (intensity, severity and frequency), the interplay between vegetation and fire, and trigger of fire activities. Here we reconstruct the Holocene fire history in the Zoige Basin on the eastern Tibetan Plateau, on the basis of sedimentary micro-charcoal record over the last 10.0 ka (1 ka = 1000 cal yr BP) and discuss the influences of vegetation and climate on fire dynamics. Our results show that regional fire was active at 10.0-3.3 ka and a significant decrease in fire activity characterized the period after 3.3 ka. The high regional fire frequency at 10.0-3.3 ka is consistent with the forested landscape suggested by high affinity scores of cool mixed forest biome (mainly consisted of spruce), implying that fire dynamics during this period was generally controlled by the variations of arboreal biomass and summer temperature. During 6.3-4.6 ka the prevailing Asian summer monsoon provided increased moisture to this region and thus suppressed fire activities to an extent, despite the availability of abundant biomass. Declined tree biomass after 3.3 ka probably accounted for the decreased fire activities. In addition, two successive fire events at ca. 3.5-3.3 ka were likely responsible for the subsequent abrupt decline of forest components in the landscape.
KeywordBiome reconstruction Fire dynamics Summer monsoon Zoige Basin
DOI10.1016/j.jseaes.2017.07.017
WOS KeywordASIAN MONSOON ; FOREST-FIRES ; MICROSCOPIC CHARCOAL ; QINGHAI LAKE ; CHINA ; HISTORY ; WOOD ; ACCUMULATION ; DEPOSITION ; MANAGEMENT
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China (China)[2016YFA0600501] ; National Natural Science Foundation of China (China)[41690113] ; National Natural Science Foundation of China (China)[41330105] ; CAS (China)[XDB03030000]
Funding OrganizationNational Key Research and Development Program of China (China) ; National Natural Science Foundation of China (China) ; CAS (China)
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000413125600002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62490
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Yan
Affiliation1.Univ Cologne, Inst Geol & Mineral, D-50674 Cologne, Germany
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 101407, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Wenwei,Zhao, Yan,Qin, Feng. Holocene fire, vegetation, and climate dynamics inferred from charcoal and pollen record in the eastern Tibetan Plateau[J]. JOURNAL OF ASIAN EARTH SCIENCES,2017,147:9-16.
APA Zhao, Wenwei,Zhao, Yan,&Qin, Feng.(2017).Holocene fire, vegetation, and climate dynamics inferred from charcoal and pollen record in the eastern Tibetan Plateau.JOURNAL OF ASIAN EARTH SCIENCES,147,9-16.
MLA Zhao, Wenwei,et al."Holocene fire, vegetation, and climate dynamics inferred from charcoal and pollen record in the eastern Tibetan Plateau".JOURNAL OF ASIAN EARTH SCIENCES 147(2017):9-16.
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