Ecology and ecosystems / edited by Craig W. Allin - Ipswich, Mass. : Salem Press, c2011 - viii, 152 p. : ill., maps, ports. ; 25 cm. - Encyclopedia of environmental issues . Includes bibliographical references and index ISBN: 9781429836715 (pbk.) $29.95 Subjects--Topical Terms: EcologyEcosystem management Dewey Class. No.: 577