Other references

Contents - Previous

Abeli, W.S. & Dykstra, D.P. 1981. Logging and log transport in miombo woodland forests. Record No. 19. Division of Forestry, University of Dar-es-Salaam, Morogoro, Tanzania. 16 pp.

Abeli, W.S., Issara, D.G., Malilah, P.K. & Mrosso, D.K. 1988. Logging practices in Tanzanian natural forests. Pakistan J. For., 38(3): 133-141.

Adams, D. 1993. Felling techniques for riparian management zones. LIRO Rep., 18(11). 8 pp

Allal, M. & Edmonds, G.A. with Bhalla, A.S. 1977. Manual del uso intensivo de mano de obra en la construcción de carreteras. Geneva, Switzerland, ILO 271 pp.

Appanah, S. & Putz, F.E. 1984. Climber abundance in virgin dipterocarp forest and the effect of pre-felling climber cutting on logging damage. Malays. For., 47(4): 335-342.

Appanah, S., Weinland, G., Bessel, H. & Krieger, H.1990. Are tropical rain forests non-renewable? An enquiry through modelling. I. Trop. For. Sci., 2(4): 331- 348.

Araki, D.1990. Site disturbance training manual. Vancouver, BC, Forest Engineering Research Institute of Canada. 76 pp.

ASA. 1982. Soil erosion and conservation in the tropics. Special Publication No. 43. Madison, Wl, USA, American Society of Agronomy. 149 pp.

Aulerich, D.E.1992. Planning requirements of harvesting tropical forests. Proc. IUFRO Symposium on Harvesting and Silviculture for Sustainable Forestry in the Tropics, Kuala Lumpur, Malaysia, 5-9 October 1992. 13 pp.

Aulerich, D.E., Aulerich, S.P. & Piedrahita, M. 1990. Applying steep terrain harvesting technology to the forests of Latin America. Proc. XIX World Congress of the International Union of Forestry Research Organizations, Montreal, PQ, Canada, 5-11 August 1990. D3: 187197.

Aulerich, S.P. 1990. Wetland harvesting with cable systems. Paper 90-7574. Paper presented at the International Winter Meeting of the American Society of Agricultural Engineers, Chicago, IL, USA. 10 pp.

Baharuddin Kasran.1988. Effect of logging on sediment yield in a hill dipterocarp forest in Peninsular Malaysia. l. Trop. For. Sci., 1(1): 56-66.

Bertault, J.G., Dupuy, B. & Maître, M.F. Silvicultural research for sustainable management of rain forest. In P.J Wood, J.K. Vanclay & Wan Razali Wan Mohd, eds. The quest for sustainability: 100 years of silviculture and management in the tropics, p. 1-14. Proc. Tropical Silviculture Workshop at the IUFRO Centennial Conference, Berlin, Germany, 1-3 September 1992. Kepong, Kuala Lumpur, FRIM

Blakeney, K.J. 1992 Cable and helicopter logging for reduced damage. Proc. IUFRO Symposium on Harvesting and Silviculture for Sustainable Forestry in the Tropics, Kuala Lumpur, Malaysia, 5-9 October 1992. 12 pp.

Bol, M.M.G.R. 1988. Economically and environmentally sound harvesting methods. Meddelelser for Norsk Institutt for Skogforskning (Communications of the Norwegian Forest Research Institute), 41.22: 319-330.

Boxman, O., deGraff, N.R., Hendrison, J., Jonkers, W.B.J., Poels, R.L.H., Schmidt, P., Tjon Lim Sang, R. 1985. Towards sustained timber production from tropical rain forests in Suriname. Neth. 7. Agric. Sci., 33: 125-132.

Bradshaw, G. 1979. Preplanned skid trails and winching versus conventional harvesting on a partial cut. Research Note 62. Forest Research Laboratory, Oregon State University, Corvallis, OR, USA. 4 pp.

Brown, G.W. & Jemison, G.M. 1988. Timber harvest and environmental protection. Meddelelser fra Norsk Institutt for Skogforskning (Communications of the Norwegian Forest Research Institute), 41.23: 331- 336.

Brown, S. & Lugo, A.E. 1990. Tropical secondary forests. 1. Trop. Ecol., 6: 1-32.

Bruijnzeel, L.A. 1990. Hydrology of moist tropical forests and effects of conversion: a state of knowledge review. Paris, France, UNESCO. 224 pp.

Brünig, E.F. & Poker, J. 1989. Management of tropical rainforests. Baden-Baden, Germany, Nomos Verlagsgesellschaft. 112 pp.

Budowski, G. 1988. Is sustainable harvest possible in the tropics? Am. For., 94(11 & 12): 34-37, 79-80.

Buenaflor, V.D. & Heinrich, R. 1980. FMC tracked skidder logging study in Indonesia. Project FO:INS/78/054. Working Paper No. 7. Bogor, Indonesia, FAO. 103 pp.

Buenaflor, V.D. 1990. Report on improved forest harvesting. UNDP/FAO Project FAO:DP / PNG /86/009. Lae, Papua New Guinea, Forest Research Institute. 36 pp.

Buschbacher, R.J. 1990. Natural forest management in the humid tropics: ecological, social, and economic considerations. Ambio., 19(5): 253-258.

Caldecott, J. 1988. A variable management system for the hill forests of Sarawak, Malaysia. J. Trop. For. Sci., 1(2): 103-113.

Chin, S.C. 1989. Managing Malaysia's forests for sustained production. Wallaceana, 55 & 56:1-11.

Chua, D.K.H. 1986. Forest engineering its role in the management of the mixed dipterocarp forest of Sarawak. Malays. For., 49(3): 306312.

Cordero, W. 1988. Utilizatión del Sulky en Extracción de Madera con Bueyes. Serie Informativa Tecnologia Apropiada 18, Instituto Tecnológico de Costa Rica, Cartago, Costa Rica. 69 pp.

Costa Filho, P.P. 1991. Mechanized logging and the damages caused to tropical forests: case of the Brazilian Amazon. Voluntary contribution prepared for presentation at the 10th World Forestry Congress, Paris, France, 16-27 September 1991. 12 pp.

Costanza, R., ed. 1991. Ecological economics: the science and management of sustainallility. New York, NY, USA, Columbia University Press.

Dada, S.A., Lucas, E.B. & Olorunniwo, F.O.1989. A systems approach to planning and control of tree harvesting operations in the tropical high forests. In M.A. Pritchard, ed. A systems approach to forest operations planning and control. p. 147-153. Forestry Commission Bulletin 82. London, UK, Her Majesty's Stationery Office.

Dawkins, H.C. 1958. The management of tropical high forest, with special reference to Uganda. IFI Paper 34. Oxford, UK, Imperial Forestry Institute.

DeBonis, J.N. 1986. Harvesting tropical forests in Ecuador. J. For., 84(4): 43-46.

Dykstra, D.P. 1976. Cable, balloon, and helicopter yarding compared for partial cutting and clearcutting in old-growth Douglas fir. Research Bulletin 22. Forest Research Laboratory, Oregon State University, Corvallis, OR, USA. 44 pp.

Dykstra, D.P. 1993a. Teaching environmentally benign logging methods in the professional and technical-level forestry schools of the Asia-Pacific region. Proc. 17th Session of the FAO Advisory Committee on Forestry Education, Bangkok, Thailand, 13-15 December 1993. Rome, FAO. 10 pp.

Dykstra, D.P. 1993b. Forest harvesting. In K.D. Singh, ed. Forest resources assessment 1990, tropical countries, p. 5]-54 and Annex l, Tables 5a-5c. FAO Forestry Paper 112. Rome, FAO.

Dykstra, D.P. 1993c. Tropical timber harvesting and the forestry profession. FAO For. Harv. Bull., 3(2): 2-4.

Dykstra, D.P. 1994. Timber harvesting and the problem of deforestation. FAO For. Harv. Bull., 4(1): 1-3.

Dykstra, D.P. & Heinrich, R. 1992. Sustaining tropical forests through environmentally sound timber harvesting practices. Unasylva, 169: 9-15.

Dykstra, D.P., Stokes, B.J., Costa Filho, P.P., Malinovski, J.R. & Lockaby, G. 1992. Field study of harvesting technologies in a tropical high forest of the Brazilian Amazon. Plan for collaborative research involving FAO, USDA Forest Service, EMBRAPA, Federal University of Paraná, Auburn University and SUDAM. Rome, FAO. 17 pp. (Also available in Portuguese)

Ellefson, P.V. & Cheng, A.S. 1994. State forest practice programs: regulation of private forestry comes of age. J. For., 92(5): 34-37.

Elliott, C. 1991. Tropical forest conservation. Position Paper 7. Gland, Switzerland, WWF International. 26 pp.

Estève, J. 1983. La destruction du couvert forestier consécutive à l'exploitation forestière de bois d'œuvre en fores dense tropicale humide africaine ou américaine. Bois et Forês des Tropiques, 201: 77-84.

Estève, J. & Lepitre, C.1970. Utilisation du tracteur articulé en exploitation forestiere tropicale. Bois et Forês des Tropiques, 130: 31-50 & 131: 51-68.

Estève, J. & Lepitre, C. 1972. Construction et coût des routes forestières en fores dense tropicale. Bois et Forêts des Tropiques, 144: 33-53 & 145: 49-74.

Faber-Langendoen, D. 1992. Ecological constraints on rain forest management at Bajo Calima, western Colombia. For. Ecol. Manage., 53: 213-244.

FAO. 1974. Logging and log transport in tropical high forest. Publication P-37. Rome, FAO. 90 pp.

FAO. 1977b. Planning forest roads and harvesting systems. FAO Forestry Paper 2. Rome, FAO. 148 pp.

FAO. 1981. Cable logging systems. FAO Forestry Paper 24. Rome, FAO. 105 pp.

FAO. 1982a. Appropriate technology in forestry. FAO Forestry Paper 31. Rome, FAO, in collaboration with the Swedish International Development Authority, Stockholm. 137 pp.

FAO. 1982b. Basic technology in forest operations. FAO Forestry Paper 36. Rome, FAO. 132 pp.

FAO. 1985a. Intensive multiple-use forest management in the tropics. FAO Forestry Paper 55. Rome, FAO. 180 pp.

FAO. 1985b. Logging and transport in steep terrain. FAO Forestry Paper 14, Rev. 1. Rome, FAO. 333 pp.

FAO. 1986. Wood extraction with oxen and agricultural tractors. FAO Forestry Paper 49. Rome, FAO. 96 pp.

FAO. 1987. Appropriate wood harvesting in plantation forests. FAO Forestry Paper 78. Rome, FAO. 266 pp.

FAO. 1988b. Case-study on intermediate technology in forest harvesting: agricultural tractor with winch, Tanzania. Finnish Funds-in-Trust, Project GCP/INT/427 /FIN. FOPH Publication 1988/1. Rome, FAO. 45 pp. (Plus 30 slide transparencies)

FAO. 1988c. Case study on intermediate technology in forest harvesting: agricultural tractor and forest trailer with mechanical crane, Ethiopia. Swedish Fundsin-Trust, Project GCP/INT/343/SWE. FOPH Publication 1988/2. Rome, FAO. 40 pp. (plus 30 slide transparencies)

FAO. 1989c. Raw material procurement for forest industries in developing countries. FOPH Publication 1989/02. Rome, FAO Forest Harvesting and Transport Branch, FAO. 12 pp. (Plus 53 slide transparencies)

FAO. 1989d. Case-study on plastic log chute in steep terrain thinning operations. FOPH Publication 1989/5. Rome, Forest Harvesting and Transport Branch, FAO. 31 pp. (Plus 30 slide transparencies)

FAO. 1989e. Design manual on basic wood harvesting technology. FAO Training Series No. 18 (also issued as FAO Forestry Paper 91). Rome, FAO. 126 pp. (Six booklets)

FAO. 1989f. Small-scale harvesting operations of wood and non-wood forest products involving rural people. FAO Forestry Paper 87. Rome, FAO. 77 pp.

FAO. 1989g. Management of tropical moist forests in Africa. FAO Forestry Paper 88. Rome, FAO. 165 pp.

FAO. 1989h. Review of forest management systems of tropical Asia. FAO Forestry Paper 89. Rome, FAO. 228 pp.

FAO. 1990. Case-study on integrated smallscale forest harvesting and wood processing operation. FOPH Publication 1990/ 3. FAO, Rome, Forest Harvesting and Transport Branch. 27 pp. (Plus 30 slide transparencies)

FAO. 1991. Case study on forest harvesting with small-scale mobile cable system. FOPH Publication 1991/2.Rome, FAO, Forest Harvesting and Transport Branch. 16 pp.

FAO. 1992a. Cost control in forest harvesting and road construction. FAO Forestry Paper 99. Rome, FAO. 106 pp. (with MS-DOS diskette)

FAO. 1992b. Introduction to ergonomics in forestry in developing countries. FAO Forestry Paper 100. Rome, FAO. 200 pp.

FAO. 1993a. Reduction of wood waste by smallscale log production and conversion in tropical high forest. FAO Forest Harvesting Case Study 1. Rome, FAO, Forest Harvesting and Transport Branch. 33 pp.

FAO. 1993b. The challenge of sustainable forest management: what future for the world's forests? Rome, FAO. 128 pp.

FAO. 1993c. Forest resources assessment 1990: tropical countries. FAO Forestry Paper 112. Rome, FAO. 101 pp.

FAO. 1993d. Management and conservation of closed forests in tropical America. FAO Forestry Paper 101. Rome, FAO. 141 PP

Fearnside, P.M. 1989. Forest management in Amazonia: the need for new criteria in evaluating development options. For. Ecol. Manage., 27: 61-79.

Finegan B. 1992. The management potential of neotropical secondary lowland rain forest. For. Ecol. Manage., 47: 295321.

Forest Engineering Inc. 1991. Proc. Symposium on Forest Harvesting in Southeast Asia, Singapore, 17-20 June 1991. Corvallis, OR, USA, Forest Engineering Inc. 140 pp.

Fox, J.E.D. 1968. Logging damage and the influence of climber cutting prior to logging in the lowland dipterocarp forest of Sabah. Malays. For., 31(4): 326-347.

Froehlich, H.A., Aulerich, D.E. & Curtis, R. 1981. Designing skid trail systems to reduce soil impacts from tractive logging machines. Research Paper 44. Forest Research Laboratory, Oregon State University, Corvallis, OR, USA. 15 pp.

Gayoso, l. & Iroumé, A. 1991. Compaction and soil disturbances from logging in southern Chile. Ann. Sci. For., 48: 63-71.

Gomez-Pompa, A., Vásquez-Yanes, C. & Guevara, C. 1972. The tropical rain forest: a non-renewable resource. Science, 177: 762765.

Hamilton, L.S. 1988. Minimizing the adverse impacts of harvesting in humid tropical forests. In A.E. Lugo, J.R. Clark & R.D. Child, eds. Ecological development in the humid tropics, p. 191-235. Morrilton, AR, USA, Winrock International Institute for Agricultural Development.

Hartshorn, G.S. 1989. Gap-phase dynamics and tropical tree species richness. In L.B. Holm-Nielsen, I.C. Nielsen & H. Balslev, eds. Tropical forests: botanical dynamics, speciation and diversity, p. 65-73. London, UK, Academic Press.

Hawthorne, W.D. 1993. Forest regeneration after logging: findings of a study in the Bia South Game Production Reserve, Ghana. ODA Forestry Series No. 3. London, UK, Overseas Development Administration (ODA) and Kent, UK, Natural Resources Institute (INRI). 52 pp.

Heinrich, R. 1992. Environmentally sound forest harvesting to sustain tropical forests. Proc. lUFRO Symposium on Harvesting and Silviculture for Sustainable Forestry in the Tropics, Kuala Lumpur, Malaysia, 5-9 October 1992. 10 pp.

Hemphill, D.C. 1987. A preliminary description of logging road construction practices for unstable soils used in the U.S. northwest. Project Report 31. Rotorua, New Zealand, Logging Industry Research Organization (LIRO). 42 pp.

Hendrison, J. 1989. Damage-controlled logging in managed tropical rain forests in Suriname. Ecology and Management of Tropical Rain Forests in Suriname Series . Wageningen, the Netherlands, Wageningen Agricultural University. 204 pp

Hill, P.J. 1982. Principles of planning for forest harvesting. LIRO Rep., 7(4): 1-4.

Howard, A.F. 1993. A linear programming model for predicting the sustainable yield of timber from a community forest on the Osa Peninsula of Costa Rica. For. Ecol. Manage., 61(1-2): 29-43.

ILO. 1987. The transfer of basic technology from the ECE region to other regions. Proceedings of an international workshop held in the Federal Republic of Germany, Austria and Switzerland, 23-27 June 1986. Geneva, Switzerland, International Labour Organisation (ILO). 113 pp.

ILO. 1992. Fitting the job to the forest worker: an illustrated training manual on ergonomics. Geneva, Switzerland, International Labour Organisation (ILO). 128 pp.

Jackson, B.D. & Stokes, B.J. 1990. Lowimpact harvesting systems for wet sites. General Technical Report 70, vol. 2, p. 701-709. USDA Forest Service, Southeastern Forest Experiment Station, New Orleans, LA, USA.

Jagels, R. 1990. Is sustainable use feasible? Tropical forest exploitation revisited. 1. For., 88(11): 43-46.

Johns, A.D. 1986. Effects of selective logging on the behavioural ecology of West Malaysian primates. Ecology, 67(3): 684694.

Johns, A.D. 1988. Effects of "selective" timber extraction on rain forest structure and composition and some consequences for frugivores and folivores. Biotropica, 20(1): 31-37.

Jonkers, W.B.J. 1987. Vegetation structure, logging damage and silviculture in a tropical rain forest in Suriname. Ecology and Management of Tropical Rain Forest in Suriname Series No. 3. Wageningen, the Netherlands, Wageningen Agricultural University. 172 pp.

Jonsson, T. & Lindgren, P. 1990. Logging technology for tropical forests: for or against? Kista, Sweden, the Forest Operations Institute "Skogsarbeten." Report from the pre-project, "Improvement of harvesting systems for the sustainable management of tropical rain forests", carried out for ITTO, Yokohama, Japan. 125 pp.

Jusoff, K. 1988. Soil compaction from offroad transportation machine on tropical hill forest land. Pertanika, 11(1): 31- 37.

Jusoff, K. & Majid, N.M. 1986. The impact of skid trails on the physical properties of tropical hill forest soils. Pertanika, 9(3): 311-321.

Kirby, M.W. & J.B. Rupe. 1987. The cost of avoiding sedimentation. J. For., 85(4): 39-40.

Kleine, M. & Heuveldop, J. 1993. A management planning concept for sustained yield of tropical forests in Sabah, Malaysia. For. Ecol. Manage., 61: 277-297.

Laarman, J., Virtanen, K. & Jurvelius, M. 1981. Choice of technology in forestry: a Philippine case study. Geneva, Switzerland, International Labour Organisation (ILO). 115 pp.

Lai, F.S. & Norajiki, A.J.1988. Some stream water quality characteristics of two small logged-over watersheds in Selangor. Pertanika, 11(3): 461-468.

Lamprecht, H. 1989. Silviculture in the tropics. Eschborn, Germany, GTZ. 296 pp.

Leslie, A.J. 1987. The economic feasibility of natural management of tropical forests. In F. Mergen & J.R. Vincent, eds. Natural management of tropical moist forests, p. 177-198. School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA.

Löffler, H.D. 1988. Classification of forest terrain according to the risk of soil damage by forest operations. Meddelelser fra Norsk Institutt for Skogforskning (Communications of the Norwegian Forest Research Institute) 41.32: 465-479.

Ludwig, R. 1992. Cable crane yarding, an economical and ecologically suitable system for commercial timber harvesting in logged-over rainforests of the Philippines. Proc. IUFRO Symposium on Harvesting and Silviculture for Sustainable Forestry in the Tropics, Kuala Lumpur, Malaysia, 5-9 October 1992. 12pp.

Lugo, A.E. 1990. Forest management for ecological stability: a call for leadership. Proc. Society of American Foresters National Convention, 29 July to I August 1990, Washington, DC, USA. p. 27-30.

Lugo, A.E., Clark, J.R. & Child, R.D., eds. 1987. Ecological development in the humid tropics. Morrilton, AR, USA, Winrock International Institute for Agricultural Development. 362 pp.

Lysons, H.H. & Twito, R.H. 1973. Skyline logging: an economical means of reducing environmental impact of logging. J. For., 71: 580-583.

Malaysian Forester. 1986. Editorial: Forest operations and timber industries. Malays. For., 49(3): 206-207.

Malmer, A. & Grip, H. 1990. Soil disturbance and loss of infiltrability caused by mechanized and manual extraction of tropical rainforest in Sabah, Malaysia. For. Ecol. Manage., 38: 112.

Manikam, D. 1983. The skidding component of the mixed peat swamp logging system. Malays. For., 46(3): 327-346.

Marn, H.M. & Jonkers, W. 1982. Logging damage in tropical high forest. In P.B.L. Srivastava et al., eds. Tropical forests: source of energy through optimisation E diversification, p. 27-38. Proceedings of an international conference held 11-15 November 1980 at Penerbit Universiti Pertanian, Serdang, Selangor, Malaysia.

Mazier, D., Baumgartner, L. & Lepitre, C. 1975. Classification des terrains pour l'exploitation forestière tropicale: application au cas du Gabon. Bois et Forêts des Tropiques, 162: 47-67.

McCallum, B. 1993. Equipping the farm tractor for forest operations. Handbook HB-11. Pointe Claire, PQ, Forest Engineering Research Institute of Canada. 73 pp.

Mendoza, G.A. & Ayemou, A.O.1992. Analysis of some forest management strategies in Côte d'lvoire: a regional case study. For. Ecol. Manage., 47: 149-174.

Mendoza, G.A. & Setyarso, A. 1986. A transition matrix forest growth model for evaluating alternative harvesting schemes in Indonesia. For. Ecol. Manage., 15: 219-228.

Mergen, F. & Vincent, J.R, eds. 1987. Natural management of tropical moist forests. School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA. 212 pp.

Migunga, G.A. & Dykstra, D.P.1983. Time study on cutting with crosscut saw and chainsaw in a Tanzanian softwood plantation. Record No. 30. Division of Forestry, University of Dar-es-Salaam, Morogoro, Tanzania. 18 pp.

Negreros-Castillo, P. & Mize, C. 1993. Effects of partial overstory removal on the natural regeneration of a tropical forest in Quintana Roo, Mexico. For. Ecol. Manage., 58: 259272.

Newman, A. 1990. Tropical rainforest. New York, NY, USA, Facts on File. 256 pp.

Nicholson, D.I. 1979. The effects of logging and treatment on the mixed dipterocarp forests of Southeast Asia. Report FO:MISC/ 79/8. Rome, FAO. 65 pp.

Ole-Meiludie, R.E.L. & Abeli, W.S. 1990. Comparing two terrain transport means in a tropical high forest. Proc. XIX World Congress of the International Union of Forestry Research Organizations, 5-11 August 1990, Montreal, PQ, Canada. D3: 176186.

Ole-Meiludie, R.E.L. & Dykstra, D.P.1982. Terrain transport by farm tractors at Sao Hill, southern Tanzania. Record No. 24. Division of Forestry, University of Dar-es-Salaam, Morogoro, Tanzania. 18 pp.

Ole-Meiludie, R.E.L. & Njau, W.L.M. 1989 Impact of logging equipment on water infiltration capacity at Olmotonyi, Tanzania. For. Ecol. Manage., 26: 207- 213.

Olsen, E.D. & Seifert, J.C.W. 1984. Machine performance and site disturbance in skidding on designated trails. J. For., 82: 366-369.

Olympic Natural Resources Center. 1994. Ecological objectives for industrial forestlands. 1. For., 92(5): 18-19.

Poore, D. 1989. No timber without trees. London, UK, Earthscan. 252 pp.

Putz, F.E. 1994. Towards a sustainable forest. ITTO Trop. For. Update, 4(3): 7-9.

Putz, F.E. & Pinard, M.A. 1993. Reducedimpact logging as a carbon-offset method. Conserv. Biol., 7(4): 755-757.

Redhead, J.R. 1960. An analysis of logging damage in lowland rain forest in western Nigeria. Nigerian Forestry Information Bulletin (New Series) No. 10, p. 5-16.

Romero, R. & Romero, M. 1989. Estudio sobre la problemática de la extractión y manejo en los bosques tropicales de la amazonia peruana. FAO Project GCP/ RLA/081/JPN. Publication 17. Rome, FAO. 106 pp.

Routledge, R.D. 1987. The impact of soil degradation on the expected present net worth of future timber harvests. For. Sci., 33: 823-834.

Ruth, R.H. 1960. It's time to look at yarding problems on steep slopes. Research Note 185. USDA Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland, OR, USA. 4 pp.

Samset, I. 1985. Winch and cable systems. Dordrecht, the Netherlands, Martinus Nijhof Publishers. 539 pp.

SARH. 1980. Sistema de cable aéreo en la extracción de trocerta y lefias. SARH, Subsecretaría Forestal y de la Fauna, Dirección General pare el Desarrollo Forestal, Mexico. 146 pp.

Sauder, E.A. Techniques that protect understory in mixed-wood stands: summary of harvesting trials. Technical Note TN- 198. Vancouver, BC, Forest Engineering Research Institute of Canada. 12 pp.

Sawyer, J. 1990. Tropical forests. &land, Switzerland, WWF International. 48 pp.

Schmidt, R. 1987. Tropical rain forest management. Unasylva, 156: 2-17.

Schmincke, K.H. & Koumou, A. 1991. Exploitation forestière, industrie du bois et transport; République populaire du Congo plan d'action forestier tropical. Eschborn, Germany, GTZ. 105 pp.

Schmitt, L.1989. Etude des peuplements naturels en fores dense guyanaise: compte rendu de mise en application des traitements sylvicoles sur le dispositif de Paracou. Nogent-sur-Marne, France, CIRAD-Forêt. 51 pp.

Sessions, J., Balcom, I.C. & Boston, K. 1987. Road location and construction practices: effects on landslide frequency and size in the Oregon coast range. W. /. Appl. For., 2: 119124.

Shaffer, R.M. 1990. A logger's guide to harvest planning. Publication 420-088. Blacksburg, Vl, USA, Virginia Cooperative Extension Service. 6 pp.

Shepherd, K.R. & Richter, H.V., eds. 1985. Managing the tropical forest. Proceedings from a workshop held at Gympie, Australia, from 11 July to 12 August 1983. Development Studies Centre, the Australian National University, Canberra. 341 pp.

Silva, J.N.M. 1989. The behaviour of the tropical rain forest of the Brazilian Amazon after logging. University of Oxford, United Kingdom. (Ph.D. dissertation)

Sist, P. 1994. Logging in east Kalimantan: volume assessment and impact on the residual stand. Paper presented at the workshop "From the concept to the field reality: the contribution of R&D activities in the natural forest management", Jakarta, Indonesia, 28-29 June 1994, sponsored by the Agency for Forestry Research and Development, Ministry of Forestry of Indonesia, and CIRAD-Fôret. 31 pp.

Skorupa, J.P. & Kasenene, J.M.1984. Tropical forest management: can rates of natural treefalls help guide us? Oryx, 18(2): 96-101.

Steinblums, I.J., Froehlich, H.A. & Lyons, J.K. 1984. Designing stable buffer strips for stream protection. l. For., 82(1): 49-52.

Stewart, R., Froehlich, H.A. & Olsen, E. 1988. Soil compaction: an economic model. W. 1. Appl. For., 3(1): 20-22.

Stokes, B.J.1988. Wetland logger survey summary and production and costs of selected wetland logging systems. Publication 88A-10. Washington, l)C, USA, APA. 26 pp.

Studier, D.D. & Binkley, V.W. 1978. Cable logging systems. USDA Forest Service, Pacific Northwest Region, Portland, OR, USA. Reprinted by the Oregon State University Bookstore, Corvallis, OR, USA. 205 pp.

Sundberg, U. 1987. Study on the environmental impacts of forest utilization. Project Report TCP/FIJ/6652. Rome, FAO. 37 pp.

Sutton, S.L., Whitmore, T.C. & Chadwick, A.C. 1983. Tropical rain forest: ecology and management. Oxford, UK, Blackwell Scientific Publications. 498 pp.

Thang, H.C. 1987. Forest management systems for tropical high forest, with special reference to peninsular Malaysia. For. Ecol. Manage., 21: 3-20.

Thibau, C.E. 1987. Sustained yield in the Amazon region. In J.C. Figueroa, F.H. Wadsworth & S. Branham, eds. Management of the forests of tropical America: prospects and technologies, p. 199-206. Proceedings of a conference held in San Juan, Puerto Rico, 2227 September 1986. USDA Forest Service, Southern Forest Experiment Station, Institute of Tropical Forestry, Rio Piedras, Puerto Rico.

Tinambunan, D. 1988. Soil compaction in forest operations. Duta Rimba, 14(99100): 10-15.

Touber, L., Smaling, E.M.A., Andriesse, W. & Hakkeling, R.T.A. 1989. Inventory and evaluation of tropical forest land: guidelines for a common methodology. Tropenbos Technical Series 4. Ede, the Netherlands, the Tropenbos Foundation. 170 pp.

Tuttle, A. 1992. Environmental impact assessment for logging in natural forests of peninsular Malaysia. Report No. 134. Malaysian-German Forestry Research Project, Eschborn, Germany, GTZ, and Kepong, Kuala Lumpur, Malaysia, FRIM. 132 pp.

Vanclay, J.K. 1989. Modelling selection harvesting in tropical rain forests. 1. Trop. For. Sci., 1(3): 280-294.

Verissimo, A., Barreto, P., Mattos, M., Tarifa, R. & Uhl, C. 1992. Logging impacts and prospects for sustainable forest management in an old Amazonian frontier: the case of Paragominas. For. Ecol. Manage., 55: 169199.

Visser, R. & Fenton, T. 1994. Developing streamside management guidelines for New Zealand production forestry. LIRO Rep., 19(7). 16 pp.

Visser, R. & McConchie, M. 1993. The impact of riparian buffer strip characteristics on forest harvesting. LIRO Rep., 18(10). 10 pp.

Wadsworth, F.H.1981. Management of forest lands in the humid tropics under sound ecological principles. In F. Mergen, ed. International symposium on tropical forest utilization and conservation. School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA.

Ward, J.P. & Kanowski, P.J. 1985. Implementing control of harvesting operations in north Queensland rainforests. In K.R. Shepherd & H.V. Richter, eds. Managing the tropical forest, p. 165186. Proceedings from a workshop held at Gympie, Australia, 1I July to 12 August 1983. Development Studies Centre, the Australian National University, Canberra.

Whitmore, T.C. 1990. An introduction to tropical rain forests. Oxford, UK, Clarendon Press. 226 pp.

Wood, P.J., Vanclay, J.K. & Wan Mohd, W.R., eds. The quest for sustainability: 100 years of silviculture and management in the tropics. Proc. Tropical Silviculture Workshop at the IUFRO Centennial Conference, Berlin, Germany, 1-3 September 1992. Kepong, Kuala Lumpur, Malaysia, FRIM. 148 pp.

Wyatt-Smith, J. 1987. The management of tropical moistforestfor the sustained production of timber: some issues. IUCN/IIED Tropical Forest Policy Paper No.4. London, UK, IIED-Earthscan. 20 pp.

WHERE TO PURCHASE FAO PUBLICATIONS LOCALLY
POINTS DE VENTE DES PUBLICATIONS DE LA FAO
PUNTOS DE YENTA DE PLIBLICACIONES DE LA FAO

ANGOLA
Empresa Nacional do Disco e de
Publicações, ENDIPU-U.E.E.
Rua Cirilo da Conceição Silva, N° 7
C.P. N° 131 4-C
Luanda

ARGENTINA
Librería Agropecuaria
Pasteur 743
1028 Buenos Aires
Oficina del Libro Internacional
Alberti 40
1082 Buenos Aires

AUSTRALlA
Hunter Publications
PO Box 404
Abbotsford, Vic. 3067

AUSTRIA
Gerold Buch & Co.
Weihburggasse 26
1010 Vienna

BANGLADESH
Association of Development
Agencies in Bangladesh
House No. 1/3, Block F. Lalmatia
Dhaka 1207

BELGIQUE
M.J. De Lannoy
202, avenue du Roi
1 060 Bruxelles
CCP 000-0808993-13

BOLIVIA
Los Amigos del Libro
Peru 3712, Casilla 450
Cochabamba;
Mercado 1315, La Paz

BOTSWANA
Botsalo Books (Pty) Ltd
P.O. Box 1532
Gaborone

BRAZIL
Fundação Getúlio Vargas
Praia do Botafogo 190, C.P. 9052
Rio de Janeiro
Nucleo Editora da
Universidade Federal Fluminense
Rua Miguel de Frias 9
Icaraí-Niterói
24 220-000 Rio de Janeiro
Editora da Universidade Federal
do Rio Grande do Sul
Av. João Pessoa 415
Bairro Cidade Baixa
90 040-000 Porto Alegre/RS
Book Master Livraria
Rua do Catete 311 Ij. 118/119
20031-001 Catete
Rio de Janeiro

CANADA
Le Diffuseur Gilles Vermette Inc.
C.P. 85,151, av. de Mortagne
Boucherville, Quebec J4B 5E6
UNIPUB
4611/F Assembly Drive
Lanham MD 20706-4391 (USA)
Toll-tree 800 233-0504 (Canada)

CHILE
Librería - Oficina Regional FAO
Calle Bandera 150, 8° Piso
Casilla 10095, Santiago-Centro
Tel. 699 1005
Fax 6961121/696 1124
Universitaria Textolibros Ltda.
Avda. L. Bernardo O'Higgins 1050
Santiago

COLOMBIA
Banco Ganadero
Revista Carta Ganadera
Carrera 9a N° 72-21, Piso 5
Bogotá D.E.
Tel. 217 0100

CONGO
Office national des librairies populaires
B.P. 577
Brazzaville

COSTA RICA
Librería Lehmann S.A.
Av. Central
Apartado 10011
San Jose

CÔTE D'IVOIRE
CEDA
04 B.P.541
Abidjan 04

CUBA
Ediciones Cubanas, Empresa de
Comercio Exterior de Publicaciones
Obispo 461, Apartado 605
La Habana

CZECH REPUBLIC
Artia Pegas Press Ltd
Import of Periodicals
Palác Metro P.O. Box 825
Národni 25, 11 21 Praha 1

DENMARK
Munksgaard, Book and
Subscription Service
P.O. Box 2148
DK 1016 Copenhagen K.
Tel. 4533128570
Fax 4533129387

DOMINICAN REPUBLIC
CUESTA - Centro del libro
Av. 27 de Febrero, esq. A. Lincoln
Centro Comercial Nacional
Apartado 1241
Santo Domingo

ECUADOR
Libri Mundi, Libreria Internacional
Juan León Mera 851
Apartado Postal 3029
Quito

EGYPT
The Middle East Observer
41 Sherif Street
Cairo

ESPAÑA
Mundi Prensa Libros S.A.
Castelló 37
28001 Madrid
Tel. 431 3399
Fax 575 3998
Librería Agrícola
Fernando VI 2
28004 Madrid
Librería Internacional AEDOS
Consejo de Ciento 391
08009 Barcelona
Tel. 3018615
Fax 317 0141
Llibreria de la Generalitat
de Catalunya
Rambla dels Estudis 118
(Palau Moja)
08002 Barcelona
Tel. (93) 302 6462
Fax (93) 302 1299

FINLAND
Ahateeminen Kiriakauppa
P.O. Box 21a
SF-00381 Helsinki

FRANCE
Lavoisier
14, rue de Provigny
94236 Cachan Cedex
Editions A. Pedone
13, rue Soufflot
75005 Paris
Librairie du Commerce International
24 boulevard de l'Hôpital
75005 Paris

GERMANY
Alexander Horn Internationale
Buchbandlung
Kirchgasse 22, Postfach 3340
D-651 as Wiesbaden
Uno Verlag
Poppelsdorfer Allee 55
D-53115 Bonn t
S. Toeche-Mittier GmbH
Versandbuchhandlung
Hindenburgstrasse 33
D-64295 Darmstadt

GHANA
SEDCO Publishing Ltd
Sedco House, Tabon Street
Off Ring Road Central, North Ridge
P.O. Box 2051
Accra

GUYANA
Guyana National Trading
Corporation Ltd
45-47 Water Street, P O. Box 308
Georgetown

HAÏTI
Librairie "A la Caravelle''
26, rue Bonne Foi, B.P. 111
Port-au-Prince

HONDURAS
Escuela Agrícola Panamericana,
Librería RTAC
El Zamorano, Apartado 93
Tegucigalpa
Oficina de la Escuela Agrícola
Panamericana en Tegucigalpa
Blvd. Morazán, Apts. Glapson
Apartado 93
Tegucigalpa

HUNGARY
Librotrade Kft.
P.O. Box 126
H-1656 Budapest

INDIA
EWP Affiliated East-West Press
PVT, Ltd
G-I/16 Ansari Road, Darya Gany
New Delhi 110 002
Oxford Book and Stationery Co.
Scindia House New Delhi 110 001
17 Park Street Calcutta 700 016
Oxford Subscription Agency
Institute for Development
Education
1 Anasuya Ave., Kilpauk
Madras 600 010
Periodical Expert Book Agency
D-42, Vivek Vihar, Delhi 110095

IRAN
The FAO Bureau, International and
Regional Specialized
Organizations Affairs
Ministry of Agriculture of the Islamic
Republic of Iran
Keshavarz Bld, M.O.A., 17th floor
Teheran

IRELAND
Publications Section
Government Stationery Office
4-5 Harcourt Road
Dublin 2

ISRAEL
R.O.Y. International
P.O. Box 13056
Tel Aviv 61130

ITALY
Libreria Scientifica Dott. Lucio de
Biasio "Aeiou"
Via Coronelli 6
20146 Milano
Libreria Concessionaria Sansoni
S.p.A. "Licosa"
Via Duca di Calabria 1/1
50125 Firenze
FAO Bookshop
Viale delle Terme di Caracalla
00100 Roma
Tel. 52255688
Fax 52255155
E-mail: publications-sales@fao.org

JAPAN
Far Eastern Booksellers
(Kyokuto Shoten Ltd)
12 Kanda-Jimbocho 2 chome
Chiyoda-ku - P.O. Box 72
Tokyo 101-91
Maruzen Company Ltd
P.O. Box 5050
Tokyo International 100-31

KENYA
Text Book Centre Ltd
Kijabe Street, P.O. Box 47540
Nairobi

LUXEMBOURG
M.J. De Lannoy
202, avenue du Roi
1060 Bruxelles (Belgique)

MALAYSIA
Electronic products only:
Southbound
Sendirian Berhad Publishers
9 College Square
01250 Penang

MALI
Librairie Traore
Rue Soundiata Keita X 115
B.P. 3243
Bamako

MAROC
La Librairie Internationale
70 Rue T'ssoule
B.P. 302 (RP)
Rabat
Tel (07) 75-86-61

MEXICO
Librería, Universidad Autónoma
de Chapingo
56230 Chapingo
Libros y Editoriales S.A.
Av. Progreso N° 202-1° Piso A
Apdo. Postal 18922, Col. Escandón
11800 México D.F.

NETHERLANDS
Roodveldt Import b.v.
Brouwersgracht 288
1013 HG Amsterdam

NEW ZEALAND
Legislation Services
P.O. Box 12418
Thorndon, Wellington

NlCARAGUA
Librería HlSPAMER
Costado Este Univ. Centroamericana
Apdo. Postal A-221
Managua

NIGERIA
University Bookshop (Nigeria) Ltd
University of Ibadan
Ibadan

NORWAY
Narvesen Into Center
Bertrand Narvesens vei 2
P.O. Box 6125, Etterstad
0602 Oslo 6
Tel. (+47) 22-57-33-00
Fax (+47) 22-68-19-01

PAKISTAN
Mirza Book Agency
65 Shahrah-e-Quaid-e-Azam
P.O. Box 729, Lahore 3

PARAGUAY
Librería INTERCONTINENTAL
Editora e Impresora S.R.L.
Caballero 270 c/Mcal Estigarribia
Asunción

PERU
INDEAR
Jirón Apurimac 375, Casilla 4937
Lima 1

PHILIPPINES
International Booksource Center (Phils)
Room 1703, Cityland 10
Condominium Cor. Ayala Avenue &
H.V. de la Costa Extension
Makati, Metro Manila

POLAND
Ars Polona
Krakowskie Przedmiescie 7
00-950 Warsaw

PORTUGAL
Livraria Portugal,
Dias e Andrade Ltda.
Rua do Carmo 70-74, Apartado 2681
1117 Lisboa Codex

SINGAPORE
Select Books Pte Ltd
03-15 Tanglin Shopping Centre
19 Tanglin Road
Singapore 1024

SOMALIA
"Samater's"
P.O. Box 936
Mogadishu

SOUTH AFRICA
David Philip Publishers (Pty) Ltd
P.O. Box 23408
Claremont 7735
South Africa
Tel. Cape Town (021 ) 64-4136
Fax Cape Town (021) 64-3358

SRI LANKA
M.D. Gunasena & Co. Ltd
217 Olcott Mawatha, P.O. Box 246
Colombo 11

SUISSE
Buchhandlung und Antiquariat
Heinimann & Co.
Kirchgasse 17
8001 Zurich
UN Bookshop
Palais des Nations
CH-1211 Genève 1
Van Diermen Editions Techniques
ADECO
Case Postale 465
CH-1211 Geneve 19

SURINAME
Vaco n.v. in Suriname
Domineestraat 26, P.O. Box 1841
Paramaribo

SWEDEN
Books and documents:
C.E. Fritzes
P.O. Box 16356
103 27 Stockholm
Subscriptions:
Vennergren-Williams AB
P.O. Box 30004
104 25 Stockholm

THAILAND
Suksapan Panit
Mansion 9, Rajdamnern Avenue
Bangkok

TOGO
Librairie du Bon Pasteur
B.P. 1164
Lomé

TUNISIE
Société tunisienne de diffusion
S. avenue de Carthage
Tunis

TURKEY
Kultur Yayiniari is Turk Ltd Sti.
Ataturk Bulvan N° 191, Kat. 21
Ankara
Bookshops in Istanbul and Izmir

UNlTED KINGDOM
HMSO Publications Centre
51 Nine Elms Lane
London SW8 5DR
Tel. (071) 873 9090 (orders)
(071)8730011 (inquiries)
Fax (071 ) 873 8463
and through HMSO Bookshops
Electronic products only:
Microinfo Ltd
P.O. Box 3, Omega Road, Alton
Hampshire GU34 2PG
Tel. (0420) 86848
Fax (0420) 89389

URUGUAY
Librería Agropecuaria S.R.L.
Buenos Aires 335
Casilla 1755
Montevideo C.P. 11000

USA
Publications:
UNIPUB
4611/F Assembly Drive
Lanham MD 20706-4391
Toll-free 800 274-4888
Fax 301-4S9-OOS6
Periodicals:
Ebsco Subscription Services
P.O. Box 1431
Birmingham AL 35201 -1431
Tel. (205)991-6600
Telex 78-2661
Fax (205)991-1449
The Faxon Company Inc.
15 Southwest Park
Westwood MA 02090
Tel. 611 7-329-33S0
Telex 95-1980
Cable FW Faxon Wood

VENEZUELA
Tecni-Ciencia Libros S.A.
Torre Phelps-Mezzanina
Plaza Venezuela
Caracas
Tel. 782 8697/781 9945/781 9954
Tamanaco Libros Técnicos S.R.L.
Centro Comercial Ciudad Tamanaco
Nivel C-2
Caracas
Tel. 261 3344/261 3335/959 0016
Tecni-Ciencia Libros, S.A.
Centro Comercial, Shopping Center
Av. Andrés Eloy, Urb. El Prebo
Valencia Ed. Carabobo
Tel. 222 724
Fudeco, Librería
Avenida Libertador-Este
Ed. Fudeco, Apartado 254
Barquisimeto C.P. 3002, Ed. Lara
Tel. (051 ) 538 022
Fax (051) 544 394
Télex (051) 51314 FUDEC VC
Fundación La Era Agricola
Calle 31 Junin Qta
Coromoto 5-49, Apartado 456
Mérida
Librería FAGRO
Universidad Central de Venezuela (UCV)
Maracay

ZIMBABWE
Grassroota Books
100 Jason Moyo Avenue
P.O. Box A 267, Avondale
Harare;
61a Fort Street
Bulawayo

Other countries / Autres pays /Otros paises
Distribution and Sales Section
Publications Division, FAO
Viale delle Terme di Caracalla
00100 Rome, Italy
Tel (39-6) 52251
Fax (39-6) 52253152
Telex 625852/625853/610181 FAO
E-mail: publications-sales@fao.org


Contents - Previous