Contains revised, updated or redeveloped chapters that include the most current research and technology Reviews universal traits of ecosystems from multiple perspectives, giving the reader a complete overview of the systems perspective of ecology Offers broad examples of ecology as a systems science, from the history of science, to philosophy and the arts Brings together the systems perspective in a framework of four columns for greater understanding, including thermodynamics, network theory, hierarchy theory and biochemistry Contains new chapter on the application of the theory to environmental management