Impacto observado das mudanças no uso e cobertura da terra na hidrologia de bacias com ênfase em regiões tropicais
DOI:
https://doi.org/10.4336/2022.pfb.42e201902069Palavras-chave:
Ciclo hidrológico, Bacias hidrográficas, Efeito de escalaResumo
Este artigo apresenta uma perspectiva geral dos impactos observados por mudanças no uso e cobertura da terra em bacias hidrográficas, com ênfase em regiões tropicais. Primeiramente, são abordadas as primeiras asserções sobre os impactos das mudanças no uso e cobertura da terra, os primeiros debates e os artigos científicos pioneiros em relação ao tema. Então, se expõe, em termos gerais, os impactos diretos e indiretos das mudanças no uso e cobertura da terra e o papel das florestas nesse contexto. Em seguida, apresenta-se um levantamento não detalhado de estudos em nível mundial e explora-se as regiões tropicais, com estudos na América do Sul, Ãsia e Ãfrica. Adicionalmente, discute-se o efeito de escala, tanto nos estudos em geral quanto na fragmentação dos habitats e considerações finais, identificando algumas tendências e propostas para o futuro de estudos no tema.
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