气候变化领域集成服务门户(CCPortal): A human role in Andean megafaunal extinction?

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DOI	10.1016/j.quascirev.2018.12.005
	A human role in Andean megafaunal extinction?
	Raczka M.F.; Mosblech N.A.; Giosan L.; Valencia B.G.; Folcik A.M.; Kingston M.; Baskin S.; Bush M.B.
发表日期	2019
ISSN	0277-3791
起始页码	154
结束页码	165
卷号	205
英文摘要	A new fossil pollen, Sporormiella, and sediment chemistry record from Lake Llaviucu, Ecuador, spanning the period from 16,280–9000 years Before Present, provides a high-resolution record of paleoecological change in the high Andes. The deglacial transition from super-páramo through páramo grasslands, to Andean forest is traced, with near-modern systems being established by c. 11,900 years ago. It is suggested that forest elements probably existed in microrefugial populations close to the ice front. Sporormiella is used as a proxy for megafaunal abundance, and its decline to background levels is inferred to indicate a local extinction event at c. 12,800 years ago. About 1800 years prior to the extinction, charcoal becomes a regular sedimentary component in this very wet valley. An early date for human activity in the valley is suggested, with the direct implication of humans in the extinction of the megafauna. © 2018 Elsevier Ltd
英文关键词	Andes; Deglaciation; Ecuador; Extinction; Fossil pollen; Human arrival; Pleistocene megafauna; Sporormiella
语种	英语
scopus关键词	Charcoal; Light extinction; Andes; Deglaciations; Ecuador; Fossil pollens; Human arrival; Megafauna; Sporormiella; Forestry; abundance estimation; anthropogenic effect; deglaciation; fauna; fossil record; fungus; grassland; human activity; local extinction; palynology; Pleistocene; sediment chemistry; Andes; Ecuador; Preussia (ascomycete)
来源期刊	Quaternary Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/152036
作者单位	Institute for Global Ecology, Florida Institute of Technology, Melbourne, FL, United States; Department of Ecosystem and Landscape Dynamics, University of AmsterdamAmsterdam, Netherlands; Geology and Geophysics, Woods Hole Oceanographic Institution, Woods HoleMA, United States; Department of Geosciences Engineering, Universidad Regional Amazónica IKIAM, Tena, Ecuador; Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, United States
推荐引用方式 GB/T 7714	Raczka M.F.,Mosblech N.A.,Giosan L.,et al. A human role in Andean megafaunal extinction?[J],2019,205.
APA	Raczka M.F..,Mosblech N.A..,Giosan L..,Valencia B.G..,Folcik A.M..,...&Bush M.B..(2019).A human role in Andean megafaunal extinction?.Quaternary Science Reviews,205.
MLA	Raczka M.F.,et al."A human role in Andean megafaunal extinction?".Quaternary Science Reviews 205(2019).