Ecosystem diversity refers to the study of the various types of ecosystems found on the planet earth. It deals with the different terrestrial and aquatic ecosystems and studies the diversity found in both. This book talks about the various principles related to ecosystem diversity. It sheds light on the basic to the most complex variations present in different ecosystems. This book includes contributions of experts and scientists which will provide innovative insights into this field. The extensive content of this book provides the readers with a thorough understanding of the subject. It will serve as a reference to a broad spectrum of readers including ecologists, biologists, environmentalists, researchers and students.