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职业迁徙
个人简介
He published reconstructions of Holocene and Last Glacial dynamics of tropical ecosystems, including dry forest, savanna, rainforest, montane forest, and tropical alpine grasslands (páramo) maily in Mexico, Guatemala, Costa Rica, Colombia and Ecuador. In Tanzania and Mauritius he studied relationships between high plant diversity and the geological and paleoecological history of these biodiversity hotspots. He contributed to the IGBP project Pole-Equator-Pole (PEP1) transect through the Americas. Objectives of this project fuelled the development of 4 PhD projects and 1 postdoc project. In the frame of the International BIOME 6000 Project his research group developed a synthesis of paleoecological data between Mexico and Patagonia. Vegetation maps of selected time-slices were reconstructed and served to calibrate climate model output. This initiative fuelled 1 postdoc project and produced many papers and a wealth of understanding how climate change is driving vegetation change in different ecosystems. He contributed to the International QUEST Project focussing on vegetation dynamics in the tropics during events of rapid climate change. He contributed to island biogeography with paleoecological projects on de dodo in Mauritius, and the impact of the landing of Columbus and subsequent occupation of Hispaniola (Dominican Rupublic). He contributed to an understanding of the mechanisms of rapid evolution in the Northern Andes with the documentary film ‘Sky Islands; a time travel through the Andes’. The 2nd version of this documentary received in 2020 and 2021 at national and international film festivals 12 awards.
Throughout his career he worked on the development of long Pleistocene climate records from deep sedimentary basins in Colombia. In the Bogotá Basin he reconstructed the evolution of tropical floras, long-term vegetation developement, and climate change during the last 3 million years. In the Fúquene Basin he integrated biotic and abiotic change and produced a record of climate driven environmental change with an unprecedented detail of 60-years steps in time contributing to an underrstanding of the anatomy of an ice-age cycle He elaborated comparisons with climate records from marine sediments and Greenland and Antarctic ice cores at centennial time-scales.
研究兴趣
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Palynologypp.1-8, (2023)
Global change biologyno. 17 (2023): 4775-4792
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PALYNOLOGYno. 2 (2023)
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SCIENTIFIC DATAno. 1 (2023): 1-13
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