Land is indispensable for the survival and economic well being of humankind. In its broader sense it constitutes the basic natural resources such as soil, water, climate, flora and fauna and the national treasure of any country. However, due to unsustainable land management practices and changing pattern of climate parameters result in degradation of these vital resources in several regions of the world. Simultaneously there has been a growing concern for rational resources use and proper management at all levels which demands for a balance between its exploitation and conservation. We have...