ECOLOGY AND ECOSYSTEMS is a single-volume monograph that contains selected essays from Encyclopedia of Environmental Issues. Every article in this set was carefully selected by our editors to provide the best information available about the topic. The essays in ECOLOGY AND ECOSYSTEMS discuss the study of ecology and the world's delicate ecosystems. Articles include overviews on cultural and historical ecology, biodiversity, and environmental education. Other topics examine specific ecosystems, such as the Amazon River basin and the Chesapeake Bay.