Dust pollen distribution on a continental scale and its relation to present-day vegetation along north-south transects in east China

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	Dust pollen distribution on a continental scale and its relation to present-day vegetation along north-south transects in east China
	Zheng Zhuo ; Cour P. ; Huang Cixuan ; Duzer D. ; Robert G. ; Calleja M. ; Beaudouin C. ; Deng Yun ; Huang Kangyou
	2007
关键词	Climatology Geographical regions Human engineering
英文摘要	A series of dust pollen samples was collected along N-S transects in east China (18°N to 53°N latitudes). Sample sites extend from the cold-temperate zone in the north to the tropical region in the south. Pollen taxa characterize each region and reflect the natural and devastated vegetation as well as corresponding climatic zones. The quantitative pollen data can be used to estimate the spatial distribution of planted and introduced species. Valuable information of human disturbance of the natural forest is evaluated by quantitative comparison between dust pollen and in-situ pollen of protected forest. In addition, percentages of grass pollen vary regularly from north to south that is consistent with spatial distribution of net primary productivity in east China. Among all grasses, Artemisia and the Gramineae carry the clearest signal: their ratio increases northwards and therefore represent a suitable and convenient tool for palaeoclimate reconstructions. © Science in China Press 2007.
出处	Science in China, Series D: Earth Sciences
卷	50 期:2 页:236-246
收录类别	EI
语种	英语
内容类型	EI期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/24346]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Zheng Zhuo,Cour P.,Huang Cixuan,et al. Dust pollen distribution on a continental scale and its relation to present-day vegetation along north-south transects in east China. 2007.