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  Folha Amazônica
 
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Principal Investigators:

Carlos Clemente Cerri, CENA - Centro de Energia Nuclear na Agricultura (USP) (SA-PI)
Jerry M. Melillo, Marine Biological Laboratory (US-PI)

 

Abstract 2005:  Land-atmosphere Exchanges of Carbon Dioxide and Nitrous Oxide Associated with Agricultural Expansion in the Brazilian Amazon (View)

 

Investigation Duration:   10/2005 - 10/2007

 

LC-38 is a successor to investigation(s) TG-08.

 

Participants:

Carlos Clemente Cerri, SA-PI, CENA - Centro de Energia Nuclear na Agricultura (USP)
Gillian Galford, The Ecosystems Center, MBL
Jerry M. Melillo, US-PI, Marine Biological Laboratory
Jack Mustard

 

Research Sites:

Amazon Basin (large-scale studies)

Mato Grosso
Rondonia

Training and Education Activities - Proposed:

We are training students in degree programs at CENA/USP and in the PhD program Brown/MBL. One of us (Carlos Clemente Cerri) is offering a series of short courses on land use changes and the carbon cycle in the Amazon Basin.

 

Training and Education Activities - Accomplished:

Currently none available.

 
 
 

Datasets/Posters Available:

Currently none available.

 

Publications:

Currently none available.

 

Matrix of Publications-Datasets:  more

 

Science Questions:

Carbon Dynamics:

        CD-Q2 - How do biological processes such as mortality and recruitment or succession following land use change influence the net annual carbon balance for different land cover and land use types?
        CD-Q3 - What are the relative contributions of fluxes from natural and disturbed ecosystems to the net Amaz˘nia-wide flux?
        CD-Q3a - How do pools and fluxes of carbon and nutrients (in soils) of pasture/cropland change over time and what factors determine carbon gain or loss?
        CD-Q3c - What factors (biologically mediated, land use history, soil properties, etc.) control the rate of carbon sequestration in biomass and soils of regrowing forest?

Land Cover and Land Use Change:

        LC-Q1 - What are the rates and mechanisms of forest conversion to agricultural land uses, and what is the relative importance of these land uses?
        LC-Q2 - At what rate are converted lands abandoned to secondary forests; what is the fate of these converted lands, and what are the overall dynamic patterns of land conversion and abandonment?

Nutrient Dynamics and Surface Water Chemistry:

        ND-Q1 - How do stocks, cycling rates and budgets of carbon and important elements nitrogen, phosphorus, potassium, calcium, magnesium, and aluminum change under different land covers and land uses?

Trace Gas and Aerosol Flux:

        TG-Q1 - How are fluxes of trace gases and aerosols between ecosystems (both upland and wetland) and the atmosphere of Amaz˘nia affected by land cover and land use change?
        TG-Q2 - What is the (climatically driven) seasonal and inter-annual variability of trace gas and aerosol fluxes between the atmosphere and different land use and land cover types?
 

Synthesis Group:  Synthesis: Intensive Agriculture -- Recent Agricultural Transitions in the Amazon Basin and their Biogeochemical Consequences

 
 
 
 
 

Other Research Teams:

CD-01  -  CD-02  -  CD-03  -  CD-04  -  CD-05  -  CD-06  -  CD-07  -  CD-08  -  CD-09  -  
CD-10  -  CD-11  -  CD-12  -  CD-14  -  CD-15  -  CD-17  -  CD-18  -  CD-30  -  CD-31  -  
CD-32  -  CD-33  -  CD-34  -  CD-35  -  CD-36  -  CD-37  -  CD-40  -  CD-41  -  LC-01  -  
LC-02  -  LC-03  -  LC-04  -  LC-05  -  LC-06  -  LC-07  -  LC-08  -  LC-09  -  LC-10  -  
LC-11  -  LC-12  -  LC-13  -  LC-14  -  LC-15  -  LC-16  -  LC-21  -  LC-22  -  LC-23  -  
LC-24  -  LC-30  -  LC-31  -  LC-32  -  LC-33  -  LC-34  -  LC-35  -  LC-36  -  LC-37  -  
LC-39  -  ND-01  -  ND-02  -  ND-03  -  ND-04  -  ND-06  -  ND-07  -  ND-08  -  ND-09  -  
ND-10  -  ND-11  -  ND-30  -  ND-31  -  PC-30  -  TG-01  -  TG-02  -  TG-03  -  TG-04  -  
TG-05  -  TG-06  -  TG-07  -  TG-08  -  TG-09  -  TG-10  -  TG-30  -  TG-31  -  TG-32

 


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