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CD-11 Abstract

Selective logging, fire, and biomass in Amazonia

Ane Alencar — University of Florida (SA-PI)
Richard A. Houghton — Woods Hole Research Center (US-PI)

For 2003 we are going to identify and measure biomass, canopy damage,

fuel loads and regrowth and in different types of burned and logged forest in

northern Mato Grosso (Guaranta), similar to what was done for Santarem/ Belterra

site and started for Paragominas site in 2001 and 2002. The goal is to identify

differences in forest structure and its response to disturbances by to fire and

logging among different types of forest (dense forest intensive logged, dense

forest moderate logging, and transitional forest intensive logging). More

specifically, the field work will be done in private property areas and account

for direct measurements of forest structure, informal field interviews to check

and reconstruct the forest disturbance history and ground truth for remote

sensing analysis. Logging and fire maps are already done for this area using

remote sensing image classification and visual interpretation. The field

measurements will be used to parameterize the remote sensing image and improve

the classification done previously.

For 2004 and 2005, we will expand the study to open forests with

intensive and moderate logging and to transitional forests with

moderate logging. The existing grant ends in 2003, however, and the fieldwork for

2004 and 2005 will depend on obtaining renewed funding.

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