s:617:"TI The Land Degradation Surveillance Framework: Field Guide AU World Agroforestry AB The LDSF was developed by the authors and colleagues over several years of land degradation research in Kenya's Lake Victoria basin, Madagascar, Mali and southern Africa. The LDSF is designed to provide a biophysical baseline at landscape level, and a monitoring and evaluation framework for assessing processes of land degradation and the effectiveness of rehabilitation measures (recovery) over time. The framework is built around a hierarchical field survey and sampling protocol using sites that are 100 km2 (10 x 10 km). ";