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LBA-ECO ND-30 Nutrient Analysis and Gas Fluxes, Forest Chronosequences, Para, Brazil

Data Set Overview

Data setLBA-ECO ND-30 Nutrient Analysis and Gas Fluxes, Forest Chronosequences, Para, Brazil
Release date2012-09-25
ProjectLarge Scale Biosphere-Atmosphere
Time Period2000-10-01 to 2005-01-31


This data set provides fine litterfall mass and nutrient concentrations from samples collected at chronosequences established at Sao Francisco do Para and Capitao Poco, Para, Brazil. Nitrogen (N) and phosphorus (P) concentrations were determined for litterfall samples from the Sao Francisco do Para, and N, P, potassium (K), calcium (Ca), and magnesium (Mg) concentrations are reported for samples from the Capitao Poco. In addition, carbon (C), N, delta C13, and delta N15 values were determined for leaves from the dominant species of the forests at Sao Francisco do Para; soil physical and chemical characteristics were determined for a subset of the chronosequence plots at the two study sites; and soil trace gas fluxes were determined from the Sao Francisco do Para site. All samples were collected between March 2001-February 2005. Trace gas fluxes were measured 10 times between October 2000 and June 2002 with 5 sample periods in dry season and 5 in wet season months. There are five comma-delimited data files with this data set.


Data set reference document


Davidson, E.A., C.J.R. de Carvalho, A.M. Figueira, F.Y. Ishida, J.P.H.B. Ometto, G.B. Nardoto, R.T. Saba, S.N. Hayashi, E.C. Leal, I.C.G. Vieira and L.A. Martinelli. 2012. LBA-ECO ND-30 Nutrient Analysis and Gas Fluxes, Forest Chronosequences, Para, Brazil. ORNL DAAC, Oak Ridge, Tennessee, USA.
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Large Scale Biosphere-Atmosphere : The Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) is an intensive scientific investigation of the tropical rainforest of Brazil and portions of adjacent countries. Like FIFE and BOREAS, this project uses intensive remote-sensing techniques and ground-based experiments to investigate the atmosphere-biosphere-hydrosphere dynamics of this large tropical region. The LBA Project encompasses several scientific disciplines, or components. The LBA-ECO component focuses on the question: "How do tropical forest conversion, regrowth, and selective logging influence carbon storage, nutrient dynamics, trace gas fluxes, and the prospect for sustainable land use in Amazonia?"

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Companion Files

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  • ND30_Litter_Para.pdf

Data Files

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Data File (Granule)File SizeDates
Foliar_CN_and_isotopes_Sao_Francisco.csv 7.4 KB 2000-10-01 - 2005-01-31
Soil_Physical_Chemical_Characteristics.csv 3.6 KB 2000-10-01 - 2005-01-31
Litterfall_Capitao_Poco_2004_2005.csv 19.3 KB 2000-10-01 - 2005-01-31
Sao_Francisco_Trace_gas_flux.csv 46.2 KB 2000-10-01 - 2005-01-31
Litterfall_Sao_Francisco_do_Para_2001_2002.csv 6.7 KB 2000-10-01 - 2005-01-31

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Files related to this data set have been downloaded on 19 occasions since 2012-11-24, totaling 95 files.