By G P Obi Reddy and Dipak Sarkar
The authors are Sr. Scientist, GIS Section and Director respectively; National Bureau of Soil Survey & Land Use Planning (ICAR) Nagpur. email@example.com
In developing countries like India, land degradation has been hastened in recent times due to burgeoning population and the amplified exploitation of natural resources. Land degradation undermines livelihood opportunities - triggers poverty, migration and food insecurity.
Land degradation indicates temporary or permanent long-term decline in ecosystem function and productive capacity. It may refer to the destruction or deterioration in health of terrestrial ecosystems, affecting the associated biodiversity, natural ecological processes and ecosystem resilience. It also considers the reduction or loss of biological/economic productivity and complexity of croplands, pasture, woodland, forest, etc. Land degradation has both, on-site and off-site effects. On-site effects are in terms of reduced/increased outputs (crop yields, livestock yields). Off-site effects on the other...