...system under various categories according to both size and site (C. Roque, pers. comm., 1991). Addresses Protected Areas and Wildlife Bureau, Department of...Resources, Visayas Avenue, Diliman, Quezon City (Tel: 2 978511-15; FAX: 2 981010; Tlx: 7572000 envinar ph) Ecological Society of the Philippines, 53 Tamarind...