Essentials of Ecology outlines the major tenets of ecology in a concise and simplified manner for the introductory level student. It presents a balanced overview of ecology, with examples drawn from terrestrial and aquatic environments, and from a variety of organism types. The text, in four color throughout, is arranged in a format that engages the student at all levels. To make learning easier and more relevant, the practical applications of ecology are also stressed wherever possible. Wide range of examples - illustrating key points and concepts. Does not assume prior maths knowledge - all mathematical concepts explained. Applied approach - brings the student closer to the practical elements of ecology and its role in the world. Four colour throughout - bringing the key concepts to life through the strategic use of colour. Balanced treatment of ecosystem and organism type - presents a complete overview of ecology. Interactive learning encouraged throughout - review questions, margin headings, text boxes and web page.