@InProceedings{GraçaVasc:2011:MaÁrAf,
               author = "Gra{\c{c}}a, Paulo Maur{\'{\i}}cio Lima de Alencastro and 
                         Vasconcelos, S{\^a}mia Amorim de",
          affiliation = "{Instituto Nacional de Pesquisas da Amaz{\^o}nia - INPA} and 
                         {Instituto Nacional de Pesquisas da Amaz{\^o}nia - INPA}",
                title = "Mapeamento de {\'a}reas afetadas pela explora{\c{c}}{\~a}o 
                         madeireira seletiva por imagens de sat{\'e}lite no Distrito 
                         Florestal Sustent{\'a}vel BR-319",
            booktitle = "Anais...",
                 year = "2011",
               editor = "Epiphanio, Jos{\'e} Carlos Neves and Galv{\~a}o, L{\^e}nio 
                         Soares",
                pages = "2952-- 295",
         organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 15. (SBSR).",
            publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
              address = "S{\~a}o Jos{\'e} dos Campos",
             keywords = "remote sensing, selective logging, tropical forest, Amazonia, 
                         sensoriamento remoto, corte seletivo, floresta tropical, 
                         Amaz{\^o}nia.",
             abstract = "Brazils current policy on forest concessions in public forests in 
                         the Amazon region, together with the recent creation of 
                         Sustainable Forest Districts (SFDs), makes monitoring necessary 
                         that is specifically designed for detection of selective logging. 
                         The objective of present study was to monitor selective timber 
                         exploitation in the sustainable forest district proposed for the 
                         region of influence of the BR-319 (Manaus-Porto Velho) Highway. A 
                         total of 53 scenes obtained by the Landsat-TM sensor were 
                         interpreted visually for the years 2008 and 2009. The delimitation 
                         of the areas under exploitation was carried out using the 
                         soil-fraction image derived from a linear spectral mixture model 
                         and from the color composite image obtained from the soil, 
                         vegetation and shade fraction images. The results permitted us to 
                         observe that the existing timber-exploitation activity in the 
                         BR-319 SFD is concentrated near to the state capitals of Porto 
                         Velho (Rondonia State) and Rio Branco (Acre State). This is 
                         probably due to infrastructure (especially roads) being more 
                         developed in these regions than elsewhere. Selective logging areas 
                         were not observed in Conservation Units (CUs) in the integral 
                         protection category in the BR-319 SFD, nor was logging observed in 
                         indigenous lands. Logging activity was concentrated in CUs in the 
                         sustainable use category under state management at both dates 
                         analyzed. This fact could be due to greater effectiveness of the 
                         integral protection CUs in restraining the expansion of 
                         deforestation and of forest degradation caused by illegal 
                         selective logging.",
  conference-location = "Curitiba",
      conference-year = "30 abr. - 5 maio 2011",
                 isbn = "{978-85-17-00056-0 (Internet)} and {978-85-17-00057-7 (DVD)}",
             language = "pt",
         organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
                  ibi = "3ERPFQRTRW/39UGA3H",
                  url = "http://urlib.net/ibi/3ERPFQRTRW/39UGA3H",
           targetfile = "p0441.pdf",
                 type = "Desflorestamento",
        urlaccessdate = "10 maio 2024"
}