IUCN / SSC Cat Specialist Group - Digital Cat Library |
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| Moretti, A.I.P. | |
| Mapeamento de corredores ecol¢gicos na APA FernÆo Dias - MG a partir de t‚cnicas de geoprocessamento e an lise espacial | |
| 2011 Full Book | |
The forest fragmentation, resulting from the replacement of native vegetation by anthropogenic areas, is responsible for the size reduction of forest patches and is the main cause of extinction of native fauna and flora. The implementation of ecological corridors that connect habitat fragments appears as a strategy for biodiversity conservation that allows natural resources protection, supporting the flow of animals and seeds between fragments previously isolated. Geoprocessing and spatial analysis techniques can help to determine the most suitable sites for allocation of ecological corridors, as they allow the collection, organization and availability of data in an efficient and inclusive way. The main objective of this work is the mapping of ecological corridors in the FernÆo Dias Environmental Protection Area (EPA), located in the state of Minas Gerais, from the connection of the Atlantic Forest remaining fragments, represented by the semideciduous forest, the tropical rain forest and the araucaria forest. The mapping of ecological corridors was developed from a systemic approach according to the concepts of landscape ecology and Geographic Information Systems. A regionalization of the FernÆo Dias EPA in four geosystems, divided internally into geof cies, was proposed. These landscape units were characterized according to their natural elements and their current trends in the land use. The Altos da Terra Fria geosystem was chosen for the allocation of ecological corridors. Eight potential vectors of fauna mobility were identified and delineated from the connectivity of the remnants. These vectors integrate the entire area of the ecological corridors and represent the recovery possibility of areas occupied by other land use classes. |
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