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Impacts of Human Activity on Landscapes in Central Brazil: a Case Study in the Araguari Watershed

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Abstract:

This paper outlines the main geomorphological characteristics of the Araguari River Basin and describes the human-induced changes to the landscapes. This region, naturally occupied by savannas, has been strongly altered by human activities over the previous 40 years. Summarised information is derived from geomorphological, geological and pedological maps, supported by field work. The paper is divided into two main parts. The first shows the natural arrangement of the landscapes in the hydrographic basin, demonstrating the relationships between structural and geomorphic units. Information about superficial materials and current processes and some observations on the evolution of these landforms are presented here. The second part describes the changes in the basin due to anthropic activities, considering types of erosion, channel changes and urban problems. These activities are divided between rural and urban areas, showing the differences between the operations of these sensitive systems. The paper also notes the main research in progress in this basin, presents some partial results and comments on future perspectives.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/1467-8470.00172

Affiliations: Geography Institute, Federal University of Uberlândia, Brazil

Publication date: July 1, 2002

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