Analysis of land use in Açu Lagoon State Park, Campos dos Goytacazes, RJ
DOI:
https://doi.org/10.19180/2177-4560.v11n22017p31-45Keywords:
Açu Lagoon State Park. Coastal sandy soils. Land using. Enviromental preservation.Abstract
Large extensions of the coastal sandy soils (restinga) vegetation of the northern region of Rio de Janeiro had been eliminated since the colonization, with replacement of the native vegetation by sugarcane cultivation followed by agricultural expansion. The Açu Lagoon State Park (PELAG) was created with the goal of preserve part of the remaining ecosystem, sandbanks, swamps, marshes and coastal lagoons, reminiscent of ecosystems that existed in the region before its degradation. In order to have a better characterization of the area delimited for its implantation, the present work has the objective of mapping the land use in the Park. The classification was performed through supervised classification with visual interpretation pixel by pixel and applying the maximum likelihood, where the following categories were considered: water, wet soils, vegetation, exposed soils and pastures. The results obtained were consistent with the reality observed in the field. It was observed that the highest percentage of soil cover is composed of pasture (27.8%), followed by wetlands (25.74%) and wet soil (22.22%). Approximately 16.0% of the area of the park is covered by vegetation, characterized mainly by coastal sandy soils (restinga). A large part of the park area is devoid of vegetation cover, and it is necessary to recompose it, mainly that from the permanent preservation areas.Downloads
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