Environmental science is a vast field concerned with the study of numerous environmental phenomena. As a discipline, environmental science integrates theories and concepts of many other scientific fields like biology, chemistry, plant science, limnology, etc. Ecology, on the other hand, is an interdisciplinary field of biology that studies the relationships of organisms with their immediate surroundings. Ecology has a number of applications across various fields of study such as conservation biology, natural resource management, wetland management, etc. This book attempts to present the concepts and theories central to the field of ecology in detail and examine their relevance in the field of environmental science. It unfolds the innovative aspects of ecology and illustrates how the techniques of this field can be applied for the progress of environmental science in the future. The topics included in this book are of utmost significance and bound to provide incredible insights to readers. Those in search of information to further their knowledge will be greatly assisted by this book.