The aim of the text is to discuss the occupation of the old and new agricultural frontiers in the 'Cerrado', highlighting the influence of official policies which, guided by a model of agricultural expansion intensive in capital, technology, and the use of natural resources, directed economic exploitation to ever more distant areas. It looks at the region called Matopiba, as a continuation of the movement of the exploitation of frontiers still covered in native vegetation. It shows that as well as having the general characteristics of the model of agricultural expansion adopted in other areas of the 'Cerrado', agriculture in this new frontier had the particularity of being connected to the global phenomenon of rising foreign ownership of land ('land grabbing'), due to the increased presence of transnational companies and investment funds in the acquisition of areas, fruit of the movement resulting from the financialization of environmental assets (land, water, and forests). Finally, it deals with the implications of deforestation in the 'Cerrado', highlights governmental initiatives aimed at confronting it, as well as the political weight of Brazilian agribusiness, which has reduced the margin of action of environmental policies in the biome. It is concluded that the 'Cerrado', since it does not have the social appeal and protected status of forest biomes, seems to form a territory of
Brazil confronts a challenge to implement the Forest Code, now called Native Vegetation Protection Law (LPVN), issued in 2012 under the number 12.651/12. The law introduced new mechanisms to quantified environmental liabilities in Permanent Protection Areas (APP) and Legal Reserve Areas (RL). Thus, this study presents a methodological proposal for calculation of environmental liabilities in areas of "water" permanent preservation and legal reserve using geoprocessing tools. This way, a complex analysis was required, based on the size of the private rural properties, the type of land use/cover, and “temporal cut”, for which there is no methodology defined. The “temporal cut” was defined to fine cancel those who practiced illegal deforestation prior to 22 July 2008, thus creating the figure of the "Consolidated Productive Areas”. This methodology was tested and applied in the municipality of São Félix do Xingu-PA and the results pointed to a total environmental liability of the municipality of 178,835 hectares by 2010. According to requirements established in article 61-A, the settlements were considered rural properties with consolidated productive areas, and thus benefited by law. Despite this, it is important to improve environmental education techniques and the recovering of environmental liabilities of settlements, mainly for sustainable production purposes.
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