HYDROLOGICAL ASPECTS OF FOREST RECUPERATION OF PERMANENT PRESERVATION AREAS ALONG WATER BODIES
DOI:
https://doi.org/10.24278/2178-5031.2011231286Keywords:
conservation, water resources, land useAbstract
The lack of soil occupation planning, as well as the absence of soil conservation, have caused natural resources degradation. In this context, riparian forests located within the permanent preservation areas are described as a panacea for water resources protection. In this paper, we clarify the hydrological effects of these forests focusing on water quantity and water resources maintenance in small catchments. After, is shown that riparian forests present the same hydrological effect of forests in general. However, aiming to guarantee water resources protection we point out that for catchments with land uses that are not natural forests, the most important action is to maintain the high water infiltration rates. As catchments present high variability regarding the soil, topography, land use, it is not possible to obtain effective water protection by simply restoring forests in the permanent preservation areas, but we do obtain it by managing the whole small catchment. Last but not least, we exhibit some gaps that hydrology may contribute to fill in an effort to increase the knowledge of riparian forests role in small catchments.
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