The aim of this book is to bring out a general view on the vegetation o Nikyal valley with respect to prevailing environmental conditions and edaphic factors. This book emphasis various aspects of vegetation such as Community Structure, Species Diversity, Richness, Equatibility, Biological spectrum, Aggregation and homogeneity of vegetation. Special focus given on Deterendent Correspondence analysis and Canonical Correspondence analysis for ordination analysis to determine the relationship between environmental factor, composition and structure of communities. This book would be valuable assistance for the ecologist, ethno botanist and conservationist in their field of Research.