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Pollen-based biome reconstructions for Latin America at 0, 6000 and 18000 radiocarbon years

Marchant, R., Cleef, A., Harrison, S.P., Hooghiemstra, H., Markgraf, V., van Boxel, J., Ager, T., Almeida, L., Anderson, R., Baied, C., Behling, H., Berrio, J.C., Burbridge, R., Bjorck, S., Byrne, R., Bush, M., Duivenvoorden, J., Flenley, J., de Oliveira, P., van Geel, B. , Graf, K., Gosling, W.D., Harbele, S., van der Hammen, T., Hansen, B., Horn, S., Kuhry, P., Ledru, M.-P., Mayle, F.E., Leyden, B., Lozano-Garcia, S., Melief, A.M., Moreno, P., Moar, N.T., Preito, A., van Reenen, G., Salgado-Labouriau, M., Schabitz, F., Schreve-Brinkman, E.J. and Wille, M. (2009) Pollen-based biome reconstructions for Latin America at 0, 6000 and 18000 radiocarbon years. Climate of the Past, 5. pp. 369-461. ISSN 1814-9324

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To link to this item DOI: 10.5194/cp-5-725-2009

Abstract/Summary

The biomisation method is used to reconstruct Latin American vegetation at 6000±500 and 18 000±1000 radiocarbon years before present (14C yr BP) from pollen data. Tests using modern pollen data from 381 samples derived from 287 locations broadly reproduce potential natural vegetation. The strong temperature gradient associated with the Andes is recorded by a transition from high altitude cool grass/shrubland and cool mixed forest to mid-altitude cool temperate rain forest, to tropical dry, seasonal and rain forest at low altitudes. Reconstructed biomes from a number of sites do not match the potential vegetation due to local factors such as human impact, methodological artefacts and mechanisms of pollen representivity of the parent vegetation.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Archaeology, Geography and Environmental Science > Earth Systems Science
Faculty of Science > School of Archaeology, Geography and Environmental Science > Department of Geography and Environmental Science
ID Code:32944
Publisher:Copernicus Publications

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