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  Folha Amazônica
 
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Carbon Dynamics

 
         CD-Q1 - What is the (climatically driven) seasonal and interannual variability of the carbon dioxide flux between the atmosphere and different land cover/use types?
         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-Q3b - How does selective logging change the storage and cycling of carbon in forests?
         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?
         CD-Q3d - What portion of the Amaz˘niaľwide carbon flux is from fire? How do ecosystems recover from fire? What are the relations between land management and fire occurrence/frequency?
 

Nutrient Dynamics and Surface Water Chemistry

 
         ND-Q3 - What are the processes and consequences of atmospheric horizontal transport of nutrients (wind) on the nutrient stocks and cycles of ecosystems within the Amazon basin at various spatial and temporal scales? For example, what are the effects of Saharan dust inputs, losses and re-distribution due to fire, and links between physical climate models and nutrient cycling?
 

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-Q3 - Are losses and gains of carbon from Amaz˘nian ecosystems in forms other than carbon dioxide (e.g. carbon monoxide, methane, volatile organic carbon, organic aerosol) of sufficient magnitude to influence ecosystem carbon balance?


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