NDLI: Human impacts on soil carbon dynamics of deep-rooted amazonian forests and effect of land use change on the carbon cycle in amazon soils

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Human impacts on soil carbon dynamics of deep-rooted amazonian forests and effect of land use change on the carbon cycle in amazon soils

Content Provider	NASA Technical Reports Server (NTRS)
Author	Trumbore, Susan E. Nepstad, Daniel Stone Sr., Thomas Davidson, Eric
Copyright Year	1992
Description	The main objective of these NASA-funded projects is to improve our understanding of land-use impacts on soil carbon dynamics in the Amazon Basin. Soil contains approximately one half of tropical forest carbon stocks, yet the fate of this carbon following forest impoverishment is poorly studied. Our mechanistics approach draws on numerous techniques for measuring soil carbon outputs, inputs, and turnover time in the soils of adjacent forest and pasture ecosystems at our research site in Paragominas, state of Para, Brazil. We are scaling up from this site-specific work by analyzing Basin-wide patterns in rooting depth and rainfall seasonality, the two factors that we believe should explain much of the variation in tropical soil carbons dynamics. In this report, we summarize ongoing measurements at our Paragominas study site, progress in employing new field data to understand soil C dynamics, and some surprising results from our regional, scale-up work.
File Size	978026
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930007559
Archival Resource Key	ark:/13960/t3fz2685j
Language	English
Publisher Date	1992-10-14
Access Restriction	Open
Subject Keyword	Environment Pollution Carbon Cycle Amazon Region South America Soils Forests Rain Structural Basins Ecosystems Brazil Carbon Land Use Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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