DELIMITATION OF GEOENVIRONMENTAL UNITS OF GEODIVERSITY OF THE SOUTHEAST COAST SECTOR OF MARANHÃO ISLAND, MA- BRAZIL
DOI:
https://doi.org/10.21680/2447-3359.2020v6n2ID18750Abstract
Geodiversity, which corresponds to the variety of elements such as rocks, minerals, geomorphological features and soils, constitutes an important part of the environmental system. The division of geoenvironmental units based on the geodiversity characteristics presents itself as an essential research tool to know the processes and interactions of the abiotic elements of an area, as is the case southeast sector of the Island of Maranhão, which presents few studies focused on the its geodiversity. The objective of the research was to delimit the main geomontial units of the area based on local geodiversity as a way to gather similar information about the abiotic resources and to increase the knowledge about the same. Using the geosystemic approach and from the bibliographical and cartographic surveys, the use of GIS and field activities, the delimitation of three geoenvironmental units of this sector was done: Coastal Tabuleiros, Fluvial-Marine Plain and Coastal Plain. It is estimated that this study is the basis for future research on the subject and for the planning and territorial planning of the area.
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