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20 Deforestation Around the World Suh M. S., & Lee D. K. (2004). “ Impacts of land use/cover changes on Surface climate over east Asia for extreme climate cases using RegCM2”. J. Geophy. Res.,109 Zeng N. & Neelin J. D., (1999). “A land-atmosphere interaction theory for the tropical deforestation problem”. Journal of Climate Vol12: 857-872 Zhang H. & Henderson-Sellers A. (1996). “Impacts of tropical deforestation. Part 1: Process analysis of local climatic change”. Journal of Climate vol19: 1497-1517
1. Introduction Impacts of Deforestation on Climate and Water Resources in Western Amazon 2 Ranyére Silva Nóbrega University Federal of Pernambuco Brazil The Amazon importance in several areas of research demonstrates how the region affects the balance of South America and, depending on the scale used, on the planet. The biodiversity, mineral wealth, water resources wealth, carbon sequestration, transport of energy in the atmosphere are examples of important aspects of the region. Another important phenomenon that occurs in the Amazon are the energy flows between soilvegetation-atmosphere dynamics that affect the climate, water resources and the advection of moisture to the surrounding parts. Deforestation is the major environmental problem in the Amazon River basin nowadays, and its impacts affect both the local and global scale. In fact, this region is responsible for approximately 13% of all global runoff into the oceans (Foley et al., 2002) and its abundant vegetation releases large amounts of water vapor through evapotranspiration leading to a recycling in precipitation of about 25-35% (Brubaker et al, 1993; Eltahir and Bras, 1994; Trenberth, 1999). Rondonia State, located in Western Amazon, already has a large area of vegetation changed by deforestation. Historically, there were tax incentives and government so that there was an expansion of development. Today the concern with changes in environmental balance of the Amazon basin, Rondônia, is justified by the increasing pressure on various forms of exploitation of the region, for example, timber extraction and agricultural expansion, the construction of hydropower, exploitation of biological and mineral riches. Krusche et al. (2005) suggest the following reasons for this progress: between 1970 and 1990 there was a surge in state occupancy with settlers coming from other regions, extensive cattle ranching became the main economic activity and the state ground most is old and weathered, with the exception of some basins, promoting agriculture in an appropriate area. According to the authors, the pattern of occupancy was observed of the "fishbone" associated with the opening of roads. The highway BR-364construction, responsible for turning the region with the rest of the country, was one of the factors that triggered large projects of colonization / occupation. Earlier this deforestation process was seen as boon, as a prerequisite for applying for tenure and subsequent legalization of land (Santos, 2001). Fearnside (2007) assert that the main aspect of change in land use / land cover in region is deforestation, and that it has grown over the years.
Page 1 and 2: DEFORESTATION AROUND THE WORLD Edit
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Page 9 and 10: Preface Forests are giant reservoir
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Geospatial Analysis of Deforestatio
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Unsupervised Classification of Aeri
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10 Deforestation and Waodani Lands
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Sustainable Forest Management Techn
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12 Bunjil Forest Watch a Community-
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Bunjil Forest Watch a Community-Bas
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Remnant Vegetation Analysis of Guan
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Part 3 Preventing Deforestation
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324 3. Results and discussion Defor
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338 Characteristics of livestock pr
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354 Southgate (1990) Larson (1991)
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366 7. Acknowledgment Deforestation
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