Vegetation, climate and culture in Central Ganga plain, India: A multi-proxy record for Last Glacial Maximum

doi:10.1016/j.quaint.2019.02.019

	Vegetation, climate and culture in Central Ganga plain, India: A multi-proxy record for Last Glacial Maximum
	Trivedi, Anjali ; Saxena, Anju ; Chauhan, M. S.; Sharma, Anupam ; Farooqui, Anjum ; Nautiyal, C. M.; Yao, Yi-Feng ; Wang, Yu-Fei; Li, Cheng-Sen ; Tiwari, D. P.
	2019
发表期刊	QUATERNARY INTERNATIONAL
ISSN	1040-6182
卷号	507 页码:134-147
摘要	Multi-proxy study of a 240 cm deep Lashoda Tal (lake) sediment profile, located adjacent to an archaeological mound in Central Ganga Plain, highlights the climate induced changes in the vegetation, ecology and culture since similar to 25500 cal BP. Between similar to 25500 and 22200 cal BP, the region shows grassland, incipient drainage and small ponds formed seasonally with moisture loving terrestrial thecamoeba suggesting supply of moisture in short spells under the winter monsoon regime. The sediment became sandy and invaded by trees during similar to 22200 to 14300 cal BP indicating an increase in lake levels with more aquatic pollen and algal forms portraying the strengthened monsoon and high energy fluvial system. This observation is further supported by low percentage of thecamoeba. Subsequently, the climate became increasingly supportive showing low seasonality and formation of meandering channels, which favoured aquatic weeds and meadew-cutoffs with marshy areas and dense vegetation in the vicinity during similar to 14300 to 7100 cal BP. High arboreal and non-arboreals pollen and thecamoebian diversity with, change in nature of sediment (increasing clay content) suggest the expansion of Lashoda lake ecosystem similar to 7100 cal BP. Since the last 2 millennium and until similar to 1550 AD the studied site was under immense human pressure of Kushana, Gupta and Mughal cultures, which is evident by the artifacts recovered from the mound situated near the study site. The palynological study revealed reduced monsoon, fragmentation or desiccation of lake ecosystem similar to 1550 AD, which is attributed to geomorphological changes caused by the ameliorating climate. The records of Cerealia pollen similar to 1300 cal BP indicate expansion of agricultural activities that might have affected the lake ecosystem.
关键词	Late quaternary Palynology Thecamoeba Geochemistry Ganga plain
学科领域	Geography, Physical ; Geosciences, Multidisciplinary
DOI	10.1016/j.quaint.2019.02.019
收录类别	SCI
语种	英语
WOS关键词	LATE-QUATERNARY VEGETATION ; LATE PLEISTOCENE-HOLOCENE ; POLLEN RECORDS ; MADHYA-PRADESH ; UTTAR-PRADESH ; LACUSTRINE SEDIMENTS ; MONSOON VARIABILITY ; RAEBARELI DISTRICT ; KARELA JHEEL ; THAR DESERT
WOS研究方向	Physical Geography ; Geology
WOS记录号	WOS:000464516500014
出版者	PERGAMON-ELSEVIER SCIENCE LTD
Special Issue	SI
文献子类	Article
出版地	OXFORD
EISSN	1873-4553
作者邮箱	atrivedee@gmail.com
引用统计	被引频次：19[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/19503
专题	系统与进化植物学国家重点实验室
作者单位	1.[Trivedi, Anjali 2.Saxena, Anju 3.Chauhan, M. S. 4.Sharma, Anupam 5.Farooqui, Anjum 6.Nautiyal, C. M.] Birbal Sahni Inst Palaeosci, 53 Univ Rd, Lucknow 226007, Uttar Pradesh, India 7.[Yao, Yi-Feng 8.Wang, Yu-Fei 9.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China 10.[Tiwari, D. P.] Univ Lucknow, Dept Ancient Indian Hist & Archaeol, Lucknow 226007, Uttar Pradesh, India
推荐引用方式 GB/T 7714	Trivedi, Anjali,Saxena, Anju,Chauhan, M. S.,et al. Vegetation, climate and culture in Central Ganga plain, India: A multi-proxy record for Last Glacial Maximum[J]. QUATERNARY INTERNATIONAL,2019,507:134-147.
APA	Trivedi, Anjali.,Saxena, Anju.,Chauhan, M. S..,Sharma, Anupam.,Farooqui, Anjum.,...&Tiwari, D. P..(2019).Vegetation, climate and culture in Central Ganga plain, India: A multi-proxy record for Last Glacial Maximum.QUATERNARY INTERNATIONAL,507,134-147.
MLA	Trivedi, Anjali,et al."Vegetation, climate and culture in Central Ganga plain, India: A multi-proxy record for Last Glacial Maximum".QUATERNARY INTERNATIONAL 507(2019):134-147.

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