The Cuiabá- Santarém Road Linkage and the Effects on Land Cover.
Corey
Miyano
Hayashi, Anthropological Center for Training and Research on Global Environmental Change, chayashi@indiana.edu
(Presenting)
Scott
S.
Hetrick, Anthropological Center for Training and Research on Global Environmental Change, shetrick@indiana.edu
The 1,700 km Cuiabá Santarém Highway (BR 163) was first cut into the rainforest in 1974. Soybean sectors in Mato Grosso are pushing to complete the pavement of the highway in order to save millions of dollars a year in transportation costs. This poster illustrates the use of a geographic information system to analyze the potential outcomes of paving BR163 (Cuiabá-Santarém). Paving this highway, while economically beneficial for soybean cultivators, may bring detrimental consequences to the regional environment. Published data show that around 5% of the forests within 50 km of the road have been deforested, and that central road networks such as the Cuiabá-Santarem road link and the Trans Amazon Highway has a 16.1% total deforestation rate with a distance of 25 km and a 24% deforestation rate with a distance of 50 km. Deforestation, however, tends to be mediated by other factors such as land tenure, institutional arrangements and the biophysical environment. The poster illustrates how selected variables may effect land-cover change along the BR 163 corridor. It also investigates how these variables may themselves be affected. The poster displays the application of GIS tools such as buffering and cost-surface measures to analyze the potential spread of spatial change along the highway. The poster analyzes how the proximity of administrative boundaries, various conservation areas (federal, state, etc), indigenous areas and factors such as topography may impact the outcome of changes in land cover at different distances from the highway.
Submetido por Corey Miyano Hayashi em 25-MAR-2004
Tema Científico do LBA: LC (Mudanças dos Usos da Terra e da Vegetação)