1. Núcleos de desertificação no semiárido brasileiro: ocorrência natural ou antrópica?
- Author
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Perez-Marin, Aldrin Martin, de Mendonça Barreto Cavalcante, Arnóbio, de Medeiros, Salomão Sousa, de Melo Tinôco, Leonardo Bezerra, and Salcedo, Ignácio Hérnan
- Subjects
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DESERTIFICATION , *ARID zone research , *CLIMATE change research , *SOIL classification , *CLIMATOLOGY - Abstract
Desertification is a global problem that a!ect arid, semiarid, and dry sub-humid regions of Earth, and it is a result of various factors involving climate changes and human activities. In Brazil, the susceptible areas to this process are mainly located in the Northeast region of the Country, comprising 1,340,863 km², embracing 1,488 municipalities. In addition to that, some areas from northern municipalities of Southeastern States of Minas Gerais and Espirito Santo. The knowledge level on this degradative process needs to be constantly updated, especially regarding on areas so called "Desertification Nuclei". In this context, it is discussed the desertification in their Nucleus and its correlation with the soil type, in order to determine its origin. [ABSTRACT FROM AUTHOR]
- Published
- 2012