The assessment of environmental rehabilitation practices in the Rio Laja watershed, Mexico.

摘要

In 1998, former officers of the Mexican Audubon Society founded a non-profit organization, known as Salvemos al Rio Laja (Save the Laja), to address the escalating environmental problems associated with severe soil erosion in the Rio Laja watershed, Guanajuato, Mexico. Their primary activity has been the construction of numerous small rock dams designed to catch sediment upstream and slow runoff velocity during the torrential rains associated with the region's monsoonal climate. This research integrates the Revised Universal Soil Loss Equation and Geographic Information Science to estimate baseline erosion, to assess the effectiveness of these watershed rehabilitation practices and to identify target sites for future rehabilitation efforts.