TY - BOOK AU - Waltner-Toews, David ED - Network for Ecosystem Sustainability & Health TI - Ecosystem sustainability and health : a practical approach SN - 978-0521531856 SN - 200306883 U1 - 333.9516 WAL PY - 2004/// CY - Cambridge PB - Cambridge University Press KW - Ecosystem management KW - Environmental Health N1 - Includes bibliographical references (p. 130-134) and index ER -