Environmental Biology is an important component of the Environmental Science and is concerned with the study of air, land, water and energy system in relation to the life. The framework of the book is based upon the UGC syllabi. The Book is primarily designed to meet the requirement of both undergraduates and postgraduates courses in Indian Universities. Presently, the Environmental Biology has become an important component of the syllabi of several disciplines including Science, Social Sciences commerce, Management and Engineering etc. As such, the book will be useful to the students and teachers of all these disciplines. It would also cater the needs of students undertaking competitive examinations. The authors have tried to present a simple, comprehensible, illustrated and authentic account of the Environment, Aquatic ecology, wildlife conservation and natural resources and their conservation. Thus, this book covers all aspects of the subjects Environmental Biology. The Book would prove friendly to all students and teachers of the Environmental Biology. Beside, eighteen chapters dealing with of general aspects of Environmental Biology, this book contains some specific chapters on modern branches including those on Urbanization, Biodiversity, Environmental Biotechnology, Biopiracy and Eco- terrorism make this book special than others. With these general and specific portions, this book is bound to fulfill the hopes of every student and teacher of the Environmental Biology. The others characteristic of the book is its language. It is very simple and easy to understand. As per the requirement of the topics, figures and tables have also been added. At the end of every chapter, relevant questions have also been given which will help the students to assess their preparations. We hope, this book would prove useful to everyone who read it. Special features of the book are as under : User friendly and easy to understand. Text presented in simple and lucid language, and Table and figures are given at appropriate places for the better understanding.

Prof. D.N. Saksena is presently working as Professor, School of Studies in Zoology, Jiwaji University, Gwalior, Madhya Pradesh. He had been Head, School of Studies in Zoology; Dean, Faculty of Life Science and Director, Indira Gandhi Academy of Environmental Education and Research; Director, Institute of Distance Education and Director, Institute of Pharmaceutical Sciences, Jiwaji University, Gwalior. He had been the member of Academic Council, Executive Council and University Court of Jiwaji University, Gwalior. He was member of Board of Studies in Zoology and Environmental science at various Universities in India. He did his M.Sc. in year 1968 and obtained Ph.D. (Fish reproduction) in year 1975 from Dr. Hari Singh Gour University, Sagar, Madhya Pradesh. He under took Post Doctoral work in U.K., U.S.A. and Japan. He was awarded a Junior Research Fellowship and Senior Research Fellowship from the Council of Scientific and Industrial Research (CSIR), New Delhi and Visiting Fellowships from the British Council, Fulbright Foundation, DAAD and JSPS. He has received Shikshak Garima award in 1996 and recently Shiksha Rattan Puraskar in 2008. He is a Fellow and Life Member of several Scientific Association in India. He is also on the editorial board of many Scientific Journals. Prof. D.N. Saksena has published 3 books and around 150 research papers in reputed Indian and foreign journals. He is actively engaged in teaching and research and has 38 years teaching and 41 years research experience. He was also awarded Prof. J.S. Dutta Munshi Gold medal for his distinguished contribution in Life Sciences. He has guided 25 M.Phil. and Ph.D. students successfully. Dr. D.N. Saksena has also completed 5 research projects funded by UGC, ICAR and MPCST. He has attended large number of conferences, seminars and symposia etc. in India and abroad and delivered key note lectures and chaired seminars. He was also co-ordinator of UGC-SAP (DRS-Phase I) programme in Aquatic Biology.Dr. D.M. Gaidhane is presently working as Assistant Professor, Department of Zoology, Janta College, Chandrapur, Maharashtra under Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, Maharashtra. He did his M.Sc. (Zoology) in year 1993 from Pandit Ravishankar Shukla University, Raipur, Chhatishgarh and Ph.D. (Aquaculture) in year 2003 from Jiwaji University, Gwalior, Madhya Pradesh. He has obtained B.Ed. degree from R.T.M. Nagpur University, Nagpur in 1992. He was awarded Senior Research Fellowship of ICAR, New Delhi and worked at the College of Fisheries, Ratnagiri, Maharashtra and at the School of Studies in Zoology, Jiwaji University, Gwalior. He has recently attended a Orientation Course at Jawaharlal Nehru University, New Delhi. He has attended many National and International Seminars and Conferences in India. He has published 10 research papers. He has 7 years of experience of teaching graduate as well as postgraduate students.