G2TT
来源类型Articles
规范类型论文
DOI10.1016/j.yqres.2009.11.007
ISSN0033-5894
The impact of climate changes during the Holocene on vegetation in northern French Guiana
Wollenberg, E.; Iwan, R.; Limberg, G.; Moeliono, M.; Rhee, S.; Sudana, I.M.
发表日期2010
出处Quaternary Research 73: 220-225
出版年2010
语种英语
摘要

The impact of climatic changes that occurred during the last glacial maximum and the Holocene on vegetation changes in the Amazon Basin and the Guiana Shield are still widely debated. The aim of our study was to investigate whether major changes in vegetation (i.e. transitions between rainforests and C4 savannas) occurred in northern French Guiana during the Holocene. We measured variations in the d13C of soil organic matter at eight sites now occupied by forest or savannah. The forest sites were selected to cover two regions (forest refugia and peneplains) which are thought to have experienced different intensities of disturbance during the latest Pleistocene and the Holocene. We found that none of the forest sites underwent major disturbances during the Holocene, i.e. they were not replaced by C4 savannahs or C4 forest savannahs for long periods. Our results thus suggest that tropical rainforests in northern French Guiana were resilient to drier climatic conditions during the Holocene. Nevertheless, geographical and vertical variations in the 13C of SOM were compatible with minor changes in vegetation, variations in soil processes or in soil physical properties.

主题vegetation ; soil organic matter
区域Amazonia,new Guinea
URLhttps://www.cifor.org/library/2976/
来源智库Center for International Forestry Research (Indonesia)
引用统计
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/91550
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GB/T 7714
Wollenberg, E.,Iwan, R.,Limberg, G.,et al. The impact of climate changes during the Holocene on vegetation in northern French Guiana. 2010.
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