Plant ecology is the area of plant science that caters to needs of a broad range of people from small famers and large-scale producer also from undergraduates to postgraduate students, environmentalist and academics.Plant ecology's adaptability to the environmental situation makes it attractive to people from all works of life, including those who may not wish to study plant science, Agriculture or be Identified as environmentalist in the way society defines them, but are willing to grow and care for plants.Plant ecology study is becoming a popular instructional program on diversity of our Ecosystem. The study of plant ecology as explained in the text, is making it increasingly more attractive to policy makers, plant growers and industries to participate in plant culture at various level.The purpose of this book is to provide a resource for use in instruction in the fundamentals of plant ecology and as reference for students and professionals. As an instructional text, Basic Concept of Ecology is designed for use at the undergraduate level. Emphasis is placed on instruction in the basic concepts, principles and practice of plant ecology, thereby minimizing regional and national biases.Plant ecology is presented as a science, an art and an environmental business. The Concepts discussed are applicable to both small and large scale study of plant environment. The book is divided into 19 chapters and each chapter treated a related topics as concerns ecological study.The presentation includes many photographs, line drawings and tables to facilitate the comprehension of the material and can be used as a quick reference. A list of literature is presented at the end of the book to acknowledge the sources consulted by the author in preparing the text.