00000caa a22000004i 4500 UP-1685594773861419618 Buklod 20070906152133.0 j|||||||||||||| | s| ||||||||||| 171026s1981 xx r |||| u|eng d (iLib)UPBAG-00000024929 BAG rda eng Circulation-Monograph Conway, Gordon author. What is an agroecosystem and why is it worthy of study? by Gordon Conway. 1981. 22 leaves illustrations 28 cm Typescript. Paper delivered during the workshop on Human-Agroecosystems Interaction sponsored by Program on Environmental Science and Management (PESAM) and East-West Environment and Policy Institute (EAPI), November 24-December 7, 1981, UP at Los Bänos College, Laguna, Philippines. Includes bibliographical references (leaf 15) The farmers world -- The problems of specialization -- An interdisciplinary approach -- The systems viewpoint -- Ecological systems and agroecosystems -- System hierarchies -- System properties. Agricultural systems. Rural development. Agricultural ecology. Agriculture. East-West Environment and Policy Institute. Program on Environmental Science and Management. FO UPBAG UPBAG-MAIN Circulation-Monograph Analytics