Susceptibilidade à desertificação em uma microrregião semiárida do Brasil
The present work was carried out as the objective of analyzing the susceptibility to desertification of the micro region of Ribeira do Pombal in Bahia. Currently the vegetative cover of the micro-region comprises 35% of its original formation with the largest remnants of Caatinga located in the muni...
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| Principais autores: | , , , |
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| Formato: | Online |
| Idioma: | por eng |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://periodicos.ufrn.br/revistadoregne/article/view/21732 |
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| Resumo: | The present work was carried out as the objective of analyzing the susceptibility to desertification of the micro region of Ribeira do Pombal in Bahia. Currently the vegetative cover of the micro-region comprises 35% of its original formation with the largest remnants of Caatinga located in the municipalities of Itapicuru and Ribeira do Amparo. By the General Index of Environmental Degradation (IGD), the micro-region is at a fairly high level of degradation, with the highest IGD in the municipalities of Adustina and Paripiranga (0.21 <IGD <0.30). And Antas, Cipó and Nova Soure as the minors (IGD <0,10). By the Aridity Index (IA) and Incidence Index of Drought (IIS), the different types and levels of environmental degradation, the thermal instability, the low and irregular rainfall in the micro region of Ribeira do Pombal, more than 90% of the micro-region is susceptible to moderate desertification, especially the municipalities of Ribeira do Pombal, Banzaê, Cicero Dantas, Novo Triunfo and Antas.
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