The ecological effects of increasing human activities on tropical and subtropical ecosystems : [papers presented at the] Symposium on Man and the Biosphere Project held at the University of Papua New Guinea, Port Moresby, 28th - 30th April, 1975 / organized by the Papua New Guinea and Australian National Commissions of Unesco. - [Port Moresby : University of Papua New Guinea], 1975. - [203] p. ; 33 cm.


Forest management--Papua New Guinea.
Forest ecology--Papua New Guinea.
Ecosystem management--Papua New Guinea.
Forests and forestry--Papua New Guinea.