Monitoring of resource utilisation
Continuous recording of the changes in the quality and quantity of various.resources is as imyortant an element of resource planning as evaluation of original reserves. The monitoring of resource utilisation is best done through remote sensing. It involves studying the nature and size of reduction or deterioration of the forests, soil, land, mineral deposits, water Wits rind snowpacks. For example monitaring of river will help us in averting or reducing the menace of tloods and erosion. Monitoring has also demonstrated that over-imgation of arid or semi-arid areas causes salinity or alkalinity of the soil.