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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Cobertura vegetal das regiões urbanas de Juiz de Fora - MG

Paula, Isabela Fernanda Moraes de 27 July 2017 (has links)
Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-10-31T13:32:58Z No. of bitstreams: 1 isabelafernandamoraesdepaula.pdf: 8651561 bytes, checksum: 51b9a252199579213a423569927ae229 (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-11-09T14:05:14Z (GMT) No. of bitstreams: 1 isabelafernandamoraesdepaula.pdf: 8651561 bytes, checksum: 51b9a252199579213a423569927ae229 (MD5) / Made available in DSpace on 2017-11-09T14:05:14Z (GMT). No. of bitstreams: 1 isabelafernandamoraesdepaula.pdf: 8651561 bytes, checksum: 51b9a252199579213a423569927ae229 (MD5) Previous issue date: 2017-07-27 / CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / A cobertura vegetal, entendida como o conjunto das tipologias arbórea, arbustiva e rasteira, constitui um importante elemento a compor os centros urbanos em função dos diversos benefícios de cunho ecológico, social e estético que proporcionam. Nesse sentido, o conhecimento de sua ocorrência no espaço torna-se fundamental tanto para se identificar as funcionalidades destes no meio quanto para se instituir políticas ambientais que visem melhorias na sua disposição. Sendo assim, considerando a relevância deste recurso natural, esta pesquisa buscou identificar a vegetação existente nas Regiões Administrativas do município de Juiz de Fora. Os resultados obtidos demonstram uma distribuição destituída de homogeneidade, evidenciando maiores fragmentos nas áreas periféricas e reduzidos remanescentes no sentido noroeste-sudeste, revelando um processo de uso e ocupação da terra mais intenso nesses locais. Nota-se, dessa forma, a ocorrência de manchas de vegetação mais pontuais e espaçadas nesses trechos, típicas da categoria Isolated, definida pelo pesquisador Jim como dominante de áreas impermeabilizadas, enquanto nas áreas próximas as bordas dos limites, encontram-se o tipo Connected, caracterizado pela presença de verde urbano mais contíguo e de maiores extensões. Tais aspectos refletem diretamente nos resultados dos índices de cobertura vegetal obtidos, no qual a Região Centro abrange os menores valores em relação as demais. No que se refere aos espaços de integração urbana e espaços livres de construção, observa-se escassez do elemento vegetativo nesses sistemas, visto que o primeiro abrange menos de 2,1% das regiões e o segundo menos de 1,5%, o que demonstra a necessidade de melhorias nesses ambientes, de forma a contribuir mais efetivamente ao bem estar humano. / The vegetal covering, understood as a set of arboreal typology, creeper shrub, consists of an important element that composes the cities and provide a lot of befits such as ecological, social, and esthetical. In this way, the knowledge about vegetal covering throughout the cities is an important issue in order to identify its best features for communities as well as to promote environmental policies for improves the vegetal covering displacement around cities. Thus, regarding the relevance of this natural resource, the aim of this work was identify the vegetal covering that exists at administrative regions of Juiz de Fora city. On the one hand the results shown that the vegetal covering is homogeneity distributed with larges fragments at peripheral regions. On the other hand a small remaining of vegetal covering was found at northwest and southeast regions of city which reveal an intensive process of use and occupation of the ground. Thus, we found sparse and punctual vegetal stains at downtown, typical of isolated category, defined by researcher Jim as impermeable dominants areas. While at cities’ board areas, it can be found connected type vegetal covering which is characterized by continuous green urban presence with larger extension. Such issues reflect directly at vegetal covering index results we have found, in which the downtown indexes are smaller than others regions evaluated. As far as urban spaces of integration as well as building free regions are concerned we can observe scarce vegetative elements. At urban spaces of integration we find only 2,1 % of regions have vegetative elements, while at building open spaces has 1,5 % as well. Therefore, the results have shown that there are demands for improvements in these environments in order to contribute effectively for the human well-being.

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