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Soil and surface water alkaline systems in the Nhecolândia, Pantanal: Hydro-biogeochemical functions


Interactions between biotic and abiotic processes are still poorly understood in alkaline environments, due to intense biogeochemical reactions, but limited in space (hot spots) and in time (hot moments). In this context, we propose to characterize in detail the soil cover associated with the different types of alkaline lake (with green, black or crystalline waters) in the Pantanal of Nhecolândia. This work will be carried out by indirect (low frequency electromagnetic induction) and direct observations of the soil cover. The aim is to understand the interactions between solid phases, dissolved fluxes and gaseous emissions on such systems. The diversity of soils and the functioning of the systems will serve as a basis for GHG emissions measurements from soils and surface waters. On this same basis, samples will be collected to understand the dynamics of Arsenic, a toxic element whose high contents have been detected. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
OLIVEIRA JUNIOR, JAIRO C.; ANDRADE, GABRIEL R. P.; BARBIERO, LAURENT; FURQUIM, SHEILA A. C.; VIDAL-TORRADO, PABLO. Flooding effect on mineralogical and geochemical changes in alkaline-sodic soil system of northern Pantanal wetlands, Brazil. European Journal of Soil Science, . (11/11905-9, 13/09192-0, 09/54372-0, 17/23301-7, 11/13924-0)
RICHTER, LARISSA; HERNANDEZ, AMAURIS HECHAVARRIA; PESSOA, GUSTAVO S.; ZEZZI ARRUDA, MARCO AURELIO; REZENDE-FILHO, ARY T.; DE ALMEIDA, RAFAEL BARTIMANN; MENEZES, HEBERT A.; VALLES, VINCENT; BARBIERO, LAURENT; FOSTIER, ANNE HELENE. Dissolved arsenic in the upper Paraguay River basin and Pantanal wetlands. Science of The Total Environment, v. 687, p. 917-928, . (11/12770-0, 13/09192-0, 17/23301-7, 16/14227-5)

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