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  Folha Amazônica


Principal Investigators:

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


Abstract 2003:  Selective logging, fire, and biomass in Amazonia (View)

Resumo 2003:  Extração Seletiva de Madeira, Incêndio e Biomassa na Amazônia


Abstract 1999:  Selective logging, fire, and biomass in Amazonia (View)


Resumo 1999:  Extração Seletiva de Madeira, Incêndio e Biomassa na Amazônia


LBA-ECO 2002 Business Meeting Poster: 

view/download poster


Investigation Duration:   03/1999 - 08/2003



Ane Alencar, SA-PI, University of Florida
Oswaldo de Carvalho Jr, IPAM - Instituto de Pesquisa Ambiental da Amazônia
Sanae Nogueira Hayashi, MPEG - Museu Paraense Emílio Goeldi
Richard A. Houghton, US-PI, Woods Hole Research Center
Wanja Janayna Miranda Lameira, IPAM - Instituto de Pesquisa Ambiental da Amazônia
Neal A. Scott, Woods Hole Research Center
Thomas A. Stone, Co-Investigator, Woods Hole Research Center


Research Sites:

Mato Grosso

Pará Western (Santarém)


Training and Education Activities - Accomplished:

Local Community / Government Outreach:

Activity Description


  • Introduction to Ecology and Regional Land-Use Impact on Forests

    This course on environmental management was conducted in Alter do Chão, Santarém by IPAM, from Sept. 5th to 13th, 2002. It brought together 13 regional leaders to discuss environmental problems along the Cuiabá-Santarém corridor. One of its modules was taught at the LBA research site located on the Santarém-Cuiabá road, km 83.

    Field visits to forest fire plots were organized providing an excellent opportunity to explain the importance of the relationship between land use and forest fires, one of the major study areas of this group.


  • The Problems of Forest Degradation by Logging and Fire: How some of these activities can be monitored using satellite data

    This lecture was presented to representatives of the Brazilian Ministry of Environment (MMA), IBAMA, and the Environment Secretary of the Amazonas State in visit to Manaus, in March 2003.

    It addressed major questions concerning forest degradation by logging and fire, and how some of these activities can be monitored using satellite data.

  • Deforestation and Forest Fragmentation

    Lecture presented at the Brazilian Ministry of Environment (MME) in Brasília, in June 2003.

  • Forest Fragmentation and Degradation by Logging and Fire in Western Pará

    This three-day workshop, held in Santarém, Pará, in October 2003, brought together representatives of INCRA, IBAMA, CDP, CEPLAC, EMATER and ADA to discuss the relation between logging and fire in the Santarém region.


Scheduled STI Site Visits:   more


Datasets/Posters Available as of 2014-04-02

Datasets (with related publications, if any)

LBA-ECO CD-11 Biophysical Measurements of Logged and Fire-Treated Forests, Brazil

  1. Alencar, A., D.C. Nepstad, M.C. Vera Diaz. 2006. Forest understory fire in the Brazilian Amazon in ENSO and non-ENSO Years: area burned and committed carbon emissions. Earth Interactions. Vol. 10. Paper 6: 1-17.
  2. Alencar, A.C., L.A. Solorzano, and D.C. Nepstad. 2004. Modeling forest understory fires in an eastern Amazonian landscape. Ecological Applications 14(4):S139toS149.



Cochrane MA, Alencar A, Schulze MD, Souza CM, Nepstad DC, Lefebvre P, Davidson EA. (1999) Positive feedbacks in the fire dynamic of closed canopy tropical forests. Science, 284, 1832-1835. (abstract)

Nepstad DC, Verissimo A, Alencar A, Nobre C, Lima E, Lefebvre P, Schlesinger P, Potter C, Moutinho P, Mendoza E, Cochrane M, Brooks V. (1999) Large-scale impoverishment of Amazonian forests by logging and fire. Nature, 398, 505-508. (abstract)

Houghton RA, Skole DL, Nobre CA, Hackler JL, Lawrence KT, Chomentowski WH. (2000) Annual fluxes of carbon from deforestation and regrowth in the Brazilian Amazon. Nature, 403, 301-304. (abstract)

Houghton RA, Lawrence KT, Hackler JL, Brown S. (2001) The spatial distribution of forest biomass in the Brazilian Amazon: a comparison of estimates. Global Change Biology, 7, 731-746. (abstract)

DeFries RS, Houghton RA, Hansen MC, Field CB, Skole D, Townshend J. (2002) Carbon emissions from tropical deforestation and regrowth based on satellite observations for the 1980s and 1990s. Proceedings of the National Academy of Sciences of the United States of America, 99, 14256-14261. (abstract)

Alencar AAC, Solorzano LA, Nepstad DC. (2004) Modeling forest understory fires in an eastern Amazonian landscape. Ecological Applications, 14, 139-149. (abstract)

Hirsch AI, Little WS, Houghton RA, Scott NA, White JD. (2004) The net carbon flux due to deforestation and forest re-growth in the Brazilian Amazon: analysis using a process-based model. Global Change Biology, 10, 908-924. (abstract)

*Alencar A, Nepstad D, Diaz MdCV. (2006) Forest Understory Fire in the Brazilian Amazon in ENSO and Non-ENSO Years: Area Burned and Committed Carbon Emissions. Earth Interactions, 10, 1-17. (abstract)


Matrix of Publications-Datasets:  more


Science Questions:

Carbon Dynamics:

        CD-Q3 - What are the relative contributions of fluxes from natural and disturbed ecosystems to the net Amazônia-wide flux?
        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 Amazônia–wide carbon flux is from fire? How do ecosystems recover from fire? What are the relations between land management and fire occurrence/frequency?

Land Cover and Land Use Change:

        LC-Q3 - What is the area of forest that is affected by selective logging each year? How does the intensity of selective logging influence forest ecosystem function, thus altering forest regrowth and flammability?

Other Research Teams:

CD-01  -  CD-02  -  CD-03  -  CD-04  -  CD-05  -  CD-06  -  CD-07  -  CD-08  -  CD-09  -  
CD-10  -  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-38  -  
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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