TY - BOOK AU - Townsend,Colin R. AU - Begon,Michael AU - Harper,John L. TI - Essentials of ecology SN - 9781405156585 (pbk. : alk. paper) AV - QH 541 .T6 2008 PY - 2008/// CY - Malden, MA PB - Blackwell Pub. KW - Ecology N1 - Includes bibliographical references and index ER -