Search Results - "Mayle, Francis"
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Integrated palaeoecology and archaeology – a powerful approach for understanding pre-Columbian Amazonia
Published in Journal of archaeological science (01-11-2014)“…The old paradigm that Amazonia's tropical ecosystems prevented cultural development beyond small-scale shifting agricultural economies, that had little…”
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Impact of pre-Columbian “geoglyph” builders on Amazonian forests
Published in Proceedings of the National Academy of Sciences - PNAS (21-02-2017)“…Over 450 pre-Columbian (pre-AD 1492) geometric ditched enclosures (“geoglyphs”) occupy ∼13,000 km² of Acre state, Brazil, representing a key discovery of…”
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Response of Amazonian forests to mid‐Holocene drought: A model‐data comparison
Published in Global change biology (01-01-2022)“…There is a major concern for the fate of Amazonia over the coming century in the face of anthropogenic climate change. A key area of uncertainty is the scale…”
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Impact of a drier Early–Mid-Holocene climate upon Amazonian forests
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (27-05-2008)“…8000–4000 years ago) upon Amazonia's forests and their fire regimes. Palaeovegetation (pollen data) and palaeofire (charcoal) records are synthesized from 20…”
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Environmental impact of geometric earthwork construction in pre-Columbian Amazonia
Published in Proceedings of the National Academy of Sciences - PNAS (22-07-2014)“…There is considerable controversy over whether pre-Columbian (pre-A.D. 1492) Amazonia was largely “pristine” and sparsely populated by slash-and-burn…”
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Cold spot microrefugia hold the key to survival for Brazil's Critically Endangered Araucaria tree
Published in Global change biology (01-12-2019)“…Brazil's Araucaria tree (Araucaria angustifolia) is an iconic living fossil and a defining element of the Atlantic Forest global biodiversity hotspot. But…”
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Late Quaternary environmental change in the interior South American tropics: new insight from leaf wax stable isotopes
Published in Earth and planetary science letters (15-03-2016)“…Stable isotope analysis of leaf waxes in a sediment core from Laguna La Gaiba, a shallow lake located at the Bolivian margin of the Pantanal wetlands, provides…”
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Holocene land cover change in south-western Amazonia inferred from paleoflood archives
Published in Global and planetary change (01-03-2019)“…This study provides new data on the evolution of the landscape in south-western Amazonia during the Holocene and the impact of climate change and fluvial…”
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Evidence confirms an anthropic origin of Amazonian Dark Earths
Published in Nature communications (17-06-2022)Get full text
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Fire-free land use in pre-1492 Amazonian savannas
Published in Proceedings of the National Academy of Sciences - PNAS (24-04-2012)“…The nature and scale of pre-Columbian land use and the consequences of the 1492 "Columbian Encounter" (CE) on Amazonia are among the more debated topics in New…”
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Differentiation of neotropical ecosystems by modern soil phytolith assemblages and its implications for palaeoenvironmental and archaeological reconstructions
Published in Review of palaeobotany and palynology (17-06-2013)“…The interpretation of Neotropical fossil phytolith assemblages for palaeoenvironmental and archaeological reconstructions relies on the development of…”
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Long-term forest–savannah dynamics in the Bolivian Amazon: implications for conservation
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (28-02-2007)“…The aim of this paper is to evaluate the respective roles of past changes in climate, geomorphology and human activities in shaping the present-day…”
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Climate change and cultural resilience in late pre-Columbian Amazonia
Published in Nature ecology & evolution (01-07-2019)“…The long-term response of ancient societies to climate change has been a matter of global debate. Until recently, the lack of integrative studies using…”
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Modelling the distribution of Amazonian tree species in response to long‐term climate change during the Mid‐Late Holocene
Published in Journal of biogeography (01-07-2020)“…Aim To (a) assess the environmental suitability for rainforest tree species of Moraceae and Urticaceae across Amazonia during the Mid‐Late Holocene and (b)…”
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A 45 kyr palaeoclimate record from the lowland interior of tropical South America
Published in Palaeogeography, palaeoclimatology, palaeoecology (01-07-2011)“…We present a well-dated, high-resolution, ~ 45 kyr lake sediment record reflecting regional temperature and precipitation change in the continental interior of…”
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Pre-Columbian raised-field agriculture and land use in the Bolivian Amazon
Published in Holocene (Sevenoaks) (01-02-2014)“…We present an integrated palaeoecological and archaeobotanical study of pre-Columbian raised-field agriculture in the Llanos de Moxos, a vast seasonally…”
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Pre-Columbian land use in the ring-ditch region of the Bolivian Amazon
Published in Holocene (Sevenoaks) (01-08-2015)“…The nature and extent of pre-Columbian (pre-AD 1492) human impact in Amazonia is a contentious issue. The Bolivian Amazon has yielded some of the most…”
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Pediastrum species as potential indicators of lake-level change in tropical South America
Published in Journal of paleolimnology (01-04-2012)“…We explored the potential for using Pediastrum (Meyen), a genus of green alga commonly found in palaeoecological studies, as a proxy for lake-level change in…”
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Diversity of cultivars and other plant resources used at habitation sites in the Llanos de Mojos, Beni, Bolivia: evidence from macrobotanical remains, starch grains, and phytoliths
Published in Journal of archaeological science (01-02-2012)“…Although sparsely populated today, the Llanos de Mojos, Bolivia, sustained large sedentary societies in the Late Holocene (ca. 500 to 1400 AD). In order to…”
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Constraining pollen-based estimates of forest cover in the Amazon: A simulation approach
Published in Holocene (Sevenoaks) (01-02-2019)“…Pollen dispersal and deposition (PDD) modelling has been instrumental in reconstructing historical vegetation in temperate regions, but its application has…”
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