Journal
ENVIRONMENTAL MANAGEMENT
Volume 52, Issue 3, Pages 541-552Publisher
SPRINGER
DOI: 10.1007/s00267-013-0100-2
Keywords
Geodiversity; Assessment; Indices; Mapping; Nature conservation; Parana State (Brazil)
Categories
Funding
- Fundacao para a Ciencia e a Tecnologia
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) [200074/2011-3]
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Geodiversity is considered as the natural range of geological, geomorphological, and soil features, including their assemblages, relationships, properties, interpretations, and systems. A method developed for the quantitative assessment of geodiversity was applied to Parana, a Brazilian state with an area of about 200,000 km(2). The method is based on the overlay of a grid over different maps at scales ranging from 1/500,000 to 1/650,000, with the final Geodiversity Index the sum of five partial indexes calculated on a 25 x 25 km grid. The partial indexes represent the main components of geodiversity, including geology (stratigraphy and lithology), geomorphology, paleontology, and soils. The fifth partial index covers mineral occurrences of geodiversity, such precious stones and metals, energy and industrial minerals, mineral waters, and springs. The Geodiversity Index takes the form of an isoline map that can be used as a tool in land-use planning, particularly in identifying priority areas for conservation, management, and use of natural resources at the state level.
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