This book contains a series of scientific articles regardingPlant Biodiversity. It addresses the economic, institutional andsocial challenges confronting scientists and policy markers inconserving biodiversity and ecosystem service that are critical forsustaining human well being and development. It contains 40chapters and it will bring out the first hand information aboutdiversity and bio-resources both in land and water. This book isuseful for students, environmentalists, foresters and generalpublic too. About Author: K. Muthuchelian Prof. (Dr.) K. Muthuchelian Ph.D., D.Sc., FNABS, FIEF (Canada)is Vice-chancellor of Periyar University, Salem. He is First IndianScientist honoured with the presitigious awards of the Universityof Ancona, Italy, besides this Dr. Muthuchelians recipient ofseveral awards such as Tamil Nadu Best Scientist in EnvironmentalScience (1999) and twice "Best Vice-Chancellor Award" by the IndianRed Cross Society.