Environmental Biology (Principles of Ecology) for B.Sc(Hons.) and M.Sc. classes of All Indian Universities. This book will serve the purpose of the students of botany, zoology , agriculture, horticulture, forestry, fishery, limnology and oceanography. The present edition is subject matter in most simple, lucid but exhaustive way, so that it becomes easily understandable. Effusive Indian Examples are cited in the various chapters for the benefit of the readers.