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Cerradão

As fitofisionomias estudadas localizam-se na Reserva Biológica Municipal Mário Viana (14º41’S e 52º20’W), município de Nova Xavantina, leste do estado de Mato Grosso. É uma região de transição entre o bioma cerrado e a floresta amazônica, onde a vegetação predominante de cerrado sensu stricto está em contato com extensas áreas de matas e manchas de cerradão. A altitude média da reserva é de 250 m, o relevo é plano a suave-ondulado e os solos predominantes são Latossolo Vermelho-Amarelo e Latossolo Amarelo, na maioria distróficos, álicos, profundos, bem drenados e de textura média, com material de origem da Cobertura Sedimentar do Bananal (RADAMBRASIL 1981). O clima é do tipo Aw de Köppen, (Camargo 1963), com precipitação média anual de 1.600 mm (Nimer 1989) e temperatura média anual de 24,4 ºC (Fig. 1).

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Photos and images

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Uploaded 6 Feb 2014 by Cécile Girardin. Copyright © 2017.

Congratulations to the GEM team (Chris, Yadvinder & Liana) who co-authored a paper in Nature this week (cover story):

"The paper answers a long-standing question about the net carbon balance of the Amazon forest. It uses aircraft flights throughout the year at four different locations to measure the change in carbon dioxide concentration if air as it passes over the Amazon Basin. The study shows that in wet years and wet seasons the Amazon is a net sink (i.e. absorbs carbon) from the atmosphere, but in dry years and dry seasons it is carbon neutral or a source of carbon. Our main contribution in Oxford was to provide insight from our RAINFOR-GEM intensive monitoring plots across Amazonia, which suggest that the loss of the carbon sink was caused by a reduction in photosynthesis." (Y. Malhi blog, Feb 2014)

Gatti L.V., M. Gloor, J. B. Miller, C. E. Doughty, Y. Malhi, L. G. Domingues, L. S. Basso, A. Martinewski, C. S. C. Correia, V. F. Borges, S. Freitas, R. Braz, L. O. Anderson, H. Rocha, J. Grace, O. L. Phillips & J. Lloyd Drought sensitivity of Amazonian carbon balance revealed by atmospheric measurements, Nature 506, 76–80. Supplementary Info

Download the paper from here: http://is.gd/WZmcSs

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Latest news

  • RAINFOR methodologiesBeatriz Schwantes MarimonBen Hur Marimon JuniorNova XavantinaPELD - Transição Cerrado-Floresta Amazônica

    New GEM plots in Mato Grosso

    The plots are located in the transition zone between Cerrado and Amazon Forest biomes, eastern Mato Grosso, Brazil. One plot was established in a cerrado stricto sensu (savanna) and other in cerradão (savanna forest). The study is conducted at Parque Municipal do Bacaba of the Universidade do Estado de Mato Grosso (UNEMAT), located in Nova Xavantina (14°42′S, 52°21′W) in partnership with Project PELD-Transição Cerrado Floresta-Amazônica (CNPq/Long-term Ecological Projects).

    Bacaba park present different vegetation types (cerrado stricto sensu, cerrado rupestre, cerradão and gallery forests) which has been monitored since 1995. The basal area (~21 m2ha-1)... More

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People

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    Yadvinder Malhi

    I am Professor of Ecosystem Science at Oxford University.
    I lead the Ecosystems Programme at the Environmental Change Institute, with a focus of understanding the functioning of tropical forests and...

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    Georgia Pickavance

    I am a Database Assistant, supporting the tropical forest database ForestPlots.net and associated research projects RAINFOR, Afritron and T-FORCES. I am studying for a Masters in GIS alongside my research...

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    Renata Freitag

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    Ben Hur Marimon Junior

    Professor at the State University of Mato Grosso (UNEMAT), Campus of Nova Xavantina, Mato Grosso State, Brazil. The broad scope of my interest is the impact of environmental changes in...

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    Oliver Phillips

    My long-term research goal is to understand the dynamics of carbon and biodiversity across the world’s tropical forests, how these change with our changing climate, and how they may feedback...

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