999 resultados para Planejamento de uso da terra
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O objetivo deste trabalho foi analisar o desenvolvimento da agricultura matogrossense, através de variáveis relacionadas à estrutura fundiária, uso da terra, tecnologia e capital, emprego e relações de trabalho nas 13 microrregiões dos Estados de Mato Grosso e Mato Grosso do Sul. O período analisado foi de 1970 a 1985. Os resultados mostram que o processo de intensificação no uso da terra e no uso de apitai veio acompanhado de uma diminuição na concentração da terra e na participação da mão-de-obra familiar.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Geologia Regional - IGCE
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Despite the current Environmental Legislation resolution, concerning the protection of the Permanent Preservation Areas (PPA), be quite rigid, in practice, is observed noncompliance with the minimum limits of protection, especially in urban areas where, historically, the urbanization processes have been executed without compliance with the minimum standards of urban and environmental planning. Given the above, the present study aimed to analyze the urban sprawl evolution at the Olinda stream APP, located in the city of Rio Claro - SP. By means of the visual interpretation of aerial photographs in the GIS/ARCGIS environment, thematic maps of the urban sprawl of the years 1972, 1995 and 2010, as well as the Olinda Stream APP surroundings, were prepared. From the maps, it was possible to measure the occupation density for each scenario and indicate from which period the urbanization process has intensified. It was also possible to quantify the loss of vegetation area and indicate the major environmental problems in the basin of the Olinda stream. Therefore, the development of this research shows its importance, considering that its results can support the public administration, assisting in proper planning of land use and occupation in urban watersheds
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The region of the biome Cerrado is under threat due to the replacement of their native areas for expansion of agriculture and livestock. This occupation is responsible for the loss of about 50% of two million square kilometers of original native savannah. The land use, without control or zoning, has caused serious damage to natural resources of this biome, considered as an international hotspot area. As a result, some problems caused by ecological imbalances already topping the urban and rural environments, such as species extinction, water scarcity and desertification. Any occupation in this biome should be evaluated with caution, because this region, besides being considered one of the most productive of Brazil, is also rich in biodiversity and water resources. The understanding of the importance of the Cerrado biome and its remaining areas, allows the preparation of detailed studies of environmental valuation, which is essential for the development of conservation policies, avoiding even greater environmental impacts. To meet the growing demand for food, you can increase productivity through agroforestry, for example, and to preserve the remaining areas, you can create new protected areas and tailor existing units
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Este trabalho apresenta o resultado de estudo e análise do espaço urbano de São Pedro/SP para avaliar a interferência da urbanização nas mudanças geomórficas e na formação de feições associadas a processos erosivos lineares acelerados. A área de estudo localiza-se na porção centro-oriental do estado de São Paulo, distando cerca de 198 km da capital. Encontra-se limitada pelas coordenadas 22º30’ e 22º45’ de latitude sul e 47º45’ e 48º00’ de longitude oeste. (FACINCANI, 1995, p.4). Para atender ao objetivo proposto, foram realizados mapeamentos geomorfológicos e do uso da terra ao longo do processo histórico de expansão da área urbana do município, mais precisamente desde 1970 até o período atual, com base na proposta técnica de Tricart (1965) e Anderson (1979), respectivamente. Para isso, foram utilizadas fotografias aéreas de escala 1:25.000, 1:40.000 e 1:30.000, referentes respectivamente, aos cenários de 1972, 1988 e 2000. Para realização da análise integrada da dinâmica do uso da terra e das alterações geomórficas foi utilizada a “Teoria Geral dos Sistemas” como orientação metodológica, uma vez que uma das principais preocupações do geógrafo são os impactos ambientais e, conforme Christofoletti (1986), para compreender e executar ações preventivas e de recuperação do meio degradado, é necessário obter conhecimentos adequados desses processos, com base numa abordagem integrada do espaço, visando à compreensão do funcionamento e do equilíbrio da natureza integrados com as atividades humanas. Dessa forma, este estudo constatou que a expansão urbana de São Pedro foi uma das causas do surgimento e evolução das diversas voçorocas existentes na área de estudo. Ainda, por meio de... (Resumo completo, clicar acesso eletrônico abaixo)
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As Unidades de Conservação são sub-divididas em duas categorias: Proteção Integral, com objetivos de manutenção do ecossistema livre da interferência humana na qual é permitido apenas o uso indireto; e de Desenvolvimento Sustentável, que tem por objetivo equilibrar a conservação da natureza com o uso sustentável dos recursos naturais. O Parque de Jacupiranga era localizado na região sul do estado de São Paulo, denominada Vale do Ribeira, sendo criado em 1961 com aproximadamente 141 mil ha e cerca de 8 mil moradores presentes no seu interior, incluindo comunidades tradicionais, quilombolas, e agricultores migrantes de outros estados. O mosaico de Jacupiranga foi criado em 2008, com o objetivo de atender reivindicações dos moradores que sofriam restrições de suas atividades por estar dentro de uma unidade de conservação de proteção integral, com isso, o antigo PEJ sofreu a recategorização, e foram criadas 3 unidades de proteção integral e 7 de uso sustentável na antiga área do parque. O objetivo foi analisar as mudanças socioeconômicas e ambientais das famílias que sofreram com a recategorização do antigo Parque Estadual do Jacupiranga para a Reserva de Desenvolvimento Sustentável (RDS) dos Quilombos de Barra do Turvo e a Área de Proteção Ambiental (APA) do Planalto do Turvo, Mosaico de Jacupiranga/SP, onde a legislação ambiental permite a presença de moradores bem como suas atividades de subsistência. A coleta de dados foi feita pelo processo de entrevistas estruturadas realizadas com 12 moradores escolhidos por indicação dos próprios moradores das áreas tanto da APA quando da RDS. Com isso, pode-se observar uma maior liberdade nas atividades de uso da terra praticadas pelos moradores, contudo, mesmo com a recategorização, os investimentos públicos locais não são suficientes para propiciar uma boa qualidade de vida para as famílias das áreas analisadas
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In the last 60 years, many Brazilian cities practically doubled their population contingent. As a result of this process, there was an increase on the occupation level on unstable areas, from a physical point of view, and on the anthropogenic interventions at the natural ambient, reorganizing the existent process and forms. Thus, this work shows the results of the analysis of geomorphological changes deriving from urbanization processes at the Lavapés Stream watershed, located at Rio Claro county (SP). The goal of this work was reached by means of historical-evolutionary geomorphological cartography. To achieve this result, it had been prepared geomorphological and land usage charts for the years of 1962, 1988 and 2010, and a declivity chart. Those scenarios have been analyzed from the point of view of the General Systems Theory. The results were attached into an urban use restrictions chart, which allowed identifying the areas that should not be occupied, by geomorphological view and by environmental law restrictions
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Man can transform the nature according to their needs through technique which enables agriculture, cattle raising, constructions of buildings for housing, transport routes, etc. This action has brought significant transformations to the environment, and relief is one of the most changed elements, mainly at urban areas, which concentrates most of the Brazilian population. In these areas geomorphologic systems have undergone alterations in their flow of matter and energy by the action of man. Thus, it is possible o understand the action of man as geomorphologic action, nowadays, the tecnógeno, since the human action can interfere qualitatively and quantitatively in the input and output of these systems. The anthropic geomorphology has contributed to the analyses of the effects due to the urbanization at the form and at the geomorphologic process in the urban watersheds, indicating the transformations at the shape of the relief and the alterations due to the acceleration of the flow of matter and energy. From these questions, this study had the main diagnose the anthropogenic changes of the relief at the basin of Corrego do Jardim São João, Araras (SP), comparing two scenes, 1997 and 2006, through geomorphological mapping evolutionary in the area. The geomorphological feature altered at the basin are directly linked to the use of soil, mainly at the urban use, which caused effects in the relief at the studied area, making possible to define periods of the urban evolution and impacts caused by the urbanization. Among the changes it was found the decrease of the topographic breaks and at the riverbed channels, as the increase of the accumulation of the plain and riverbed terrace. The elaboration of a letter of the legal restrictions of the basin make possible to evaluate some of the environmental urban problems that occur, which are due to the occupation of the relief in the areas of permanent preservation that brings significant impacts to...
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The main objective of this study was to perform a temporal analysis of land use and cover of Itirapina – São Paulo estate, Brazil, for 1962, 2000 and 2008 scenarios, indicating the rate of change in native vegetation and contextualizing its modifications. Based on photointerpretation performed by supervised classification using the method of Bhattacharya, the thematic classes were mapped and characterized in an area equivalent to 56400 hectares. Using remote sensing technologies and geographic information systems, was structured and implemented a georeferenced and relational database, allowing the analysis of the size of the area occupied. The results showed that the expansion of cultivation of cane sugar and reforestation in the past 45 years has been conditioned the fragmentation of natural vegetation cover in the city, which fell by 34793 ha (61,7%) in 1962 to 9765,2 ha (17,3%) in 2008, with the loss of 25027,8 hectares.
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The implementation of an Export and Processing Zone (ZEPs) brings several benefits to the local, state and federal economy, but often, only socioeconomic factors are considered, apart from several other factors that should be analyzed, such as the environment. In this context of industrialization and the struggle for sustainable development, this work propose to incorporate the environmental variable in the decision process for establishing industrial areas, in particular, the ZPE in the city of Fernandópolis, São Paulo state, Brazil, by examining several physical and environmental factors such as slope intervals, geological features, pedological factors and land use. Developed using a multicriteria analysis, a model has been elaborated, where these factors have received a proportional value according with their importance, supported by a GIS tool (Geographical Information System) and remote sensing products, such as images from CBERS satellite and SRTM radar, showing the suited areas for industrial activities, considering environmental conditions. This model may assist to take better decision about the ZPE implementation area and to reduce the negative environmental impacts that would result of poorly planned locations
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The use of trails in protected areas allows a closer relationship with the elements of nature and the realization of dynamic activities of environmental education. Through these, individuals, school groups or other affinity groups can uncover the environment, to know him better and act with greater consistency in its conservation. The idea of settleling an interpretative trail in the Parque Natural Municipal Petronilla Markowicz (PNMPM), located 05 km from the center of Bragança Paulista (SP), comes up with the need for planning to use the tracks of the Unit for Environmental Education. It is therefore in the context of interpreting the environments of tracks with minimal environmental impact that this study sought to survey all the tracks PNMPM for future deployment of an interpretative trail seeking the quality of environmental experience and easy use by visitors.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Agronomia (Ciência do Solo) - FCAV