Guatemalan forest synthesis after Pleistocene aridity
نویسندگان
چکیده
منابع مشابه
Rapid responses of the prairie-forest ecotone to early Holocene aridity in mid-continental North America
Article history: The prairie-forest transition Received 20 June 2008 Accepted 31 October 2008 Available online 17 November 2008
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In recent decades, intense droughts, insect outbreaks, and wildfires have led to decreasing tree growth and increasing mortality in many temperate forests. We compared annual tree-ring width data from 1,097 populations in the coterminous United States to climate data and evaluated site-specific tree responses to climate variations throughout the 20th century. For each population, we developed a...
متن کاملAsian Aridity and the Zonal Westerlies: Late Pleistocene and Holocene Record of Eolian Deposition in the Northwest Pacific Ocean
Rea, D. K. and Leinen, M., 1988. Asian aridity and the zonal westerlies: Late Pleistocene and Holocene record of eolian deposition in the northwest Pacific Ocean. Palaeogeogr., Palaeoclimatol., Palaeoecol., 66:1 8. A 30,000-year record of eolian deposition in the northwestern Pacific Ocean provides a history of the aridity of the Asian source region and information on the changing latitude and ...
متن کاملEffect of aridity and rainfall seasonality on vegetation in the southern tropics of East Africa during the Pleistocene/Holocene transition
a r t i c l e i n f o Fossil pollen analyses from northern Lake Malawi, southeast Africa, provide a high-resolution record of vegetation change during the Pleistocene/Holocene transition (~ 18–9 ka). Recent studies of local vegetation from lowland sites have reported contrasting rainfall signals during the Younger Dryas (YD). The Lake Malawi record tracks regional vegetation changes and allows ...
متن کاملNegotiations with the Animate Forest: Hunting Shrines in the Guatemalan Highlands
Ethnoarchaeological research at highland Maya hunting shrines documents the material remains of interactions between two types of animate beings: humans and the forest. When either active agent enters the others’ domain there are accompanying ceremonial activities to assuage the inherent danger, often leaving physical traces in the material record. These traces, if found in the archaeological r...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1984
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.81.15.4856