5,000 entries ranging from acid rain, CFCs, and the greenhouse effect to the food-chain and the gene bank, the dictionary provides entries on all aspects of ecology and the environmental sciences. Subjects, from plant and animal physiology, animal behaviour, evolution, environmental pollution, and conservation to climatology, meteorology, geomorphology, and oceanography are included; as well as developments in the areas of molecular ecology, conservation, and the management of habitats. Biographical notes on eminent ecologists and other scientists.