This dictionary provides wide-ranging coverage of ecology and the environmental sciences. Now updated for this edition, it should be valuable to students, professionals, and anyone with an interest in the natural world and our environment. The text provides 5000 entries on subjects including plant and animal physiology, animal behaviour, evolution, environmental pollution and conservation, climatology and meteorology, geomorphology, and oceanography. It has been updated to incorporate developments in this rapidly evolving field, particularly in the areas of molecular ecology, conservation, and the management of habitats.