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Reconstruction of vegetation and climate in high resolution at Holoceno on Marajo island, with biologic and isotopic indicators uses.

Grant number: 08/07338-9
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2009
Effective date (End): February 28, 2011
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Luiz Carlos Ruiz Pessenda
Grantee:Mariah Izar Francisquini Correia
Home Institution: Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil


This research is inserted in the project "Reconstruction of the vegetation and climate since the middle Holocene in Brazil", approved by FAPESP (07/03615-5). Researches involving pollen analyses in the Quaternary, are based on relationship between the preserved pollen in samples of sediment with the original vegetation, allowing the paleovegetation reconstruction and paleoclimate inferences. This project intend to study the dynamic of the expansion and regression of the forest, savanna and mangrove ecotone, in high resolution along the Holocene, using interdisciplinary analyses involving bioindicators, C and N isotopes (´13C,14C, ´15N) and charcoal micro particles determination. Eventual anthropogenic effects at the study sites will also be searched, using the same indicators.

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