Synopsis The fascinating subject of Ecology is taught at both undergraduate and postgraduate level. In fact, Ecology is now included in the school curriculum. The book has been prepared specially from the point of view of students. We have been teaching the environmental factors, the various ecological groups, the successional stages in the evolution of vegetation for quiet some time. But due to rapid strides in the field of ecology, detailed accounts of community dynamics, ecosystems biomes, biodiversity natural resources etc., have been included in the book. Due emphasis has been given on the impact of pollution on the environment. Latest data on conservation of forest, soil, water, land and wildlife have been provided. The book also deals with climate, soils, grasslands and forests of India. Suitable diagrams, maps, etc., have been given to illustrate the subject. The book has been written in a very lucid style and in an easily understandable language.