Treesearch

The polycyclic selection logging system developed and practiced for many years in the tropical rainforests of north Queensland has been successful in integrating timber production with the protection of conservation values. The system has been used by the Queensland Forest Service to manage north Queensland rainforests. The Queensland system has considerable potential as a model for developing appropriate management systems in other tropical countries in the Pacific region where maintenance of forest integrity is an important aspect in the integration of timber production with more...

Land management agencies face a highly introspective period. "New perspectives," "new forestry," and "holistic management" are all terms being used to "define" a different way of managing natural resources-a recognition that people are not satisfied with the status quo. As the population of Hawaii grows, the expectations of forest and wildlife resources are increasing. Along with this increase comes the management complexity generated by competing and often conflicting uses. What is holistic natural resource management? Is it possible in Hawaii? And how can we do it?

Much research has been done in Asia and the Pacific that might help Pacific Island countries produce more biomass and better manage their natural resources. National forestry research institutes throughout the region have examined many important aspects of forestry. Not all research findings are directly transferable between countries, but research methods and results can help guide research and policy decisions. Trends in forestry research priorities over the previous decade are examined. National research findings are identified that may affect Pacific Island forestry. Research not...

Tropical forests have always been sources for prized timbers, rubber, tannin, and other forest products for use worldwide. However, with the recent concern regarding global change, the importance of effective forest products management and utilization has increased significantly. The USDA Forest Service's Forest Products Laboratory at Madison, Wisconsin, has embarked on a new program on the utilization and identification of and research on tropical tree species. This new work will be centered at the Laboratory and at the Forest Service's Institute of Tropical Forestry in Puerto Rico.

It is impractical to address experimentally many aspects of cumulative hydrologic effects, since to do so would require studying large watersheds for a century or more. Monte Carlo simulations were conducted using three hypothetical 10,000-ha fifth-order forested watersheds. Most of the physical processes expressed by the model are transferable from temperate to tropical watersheds, but data to define the parameters are generally lacking.

Only a few countries in the South Pacific are large enough for industrial forestry to be a key component of the national economy, but forests provide benefits to many people. The United Nations FA0 South Pacific Forestry Development Programme was established in April 1988, at Port Vila, Vanuatu, with a $385,000 budget, and 14 nations participating. The Programme's aim is to "upgrade the status of forestry in the participating countries." The Programme, which extended to December 1991 with a budget totaling $1,046,121, has carried out a variety of development activities, including training,...

The 1977 Clean Air Act legally mandated the prevention of significant deterioration (PSD) of air quality related values (AQRVs) on wilderness lands. Federal land managers are assigned the task of protecting these wilderness values. This report contains guidelines for determining the potential effects of incremental increases in air pollutants on natural resources in wilderness areas of the National Forests of California. These guidelines are based on current information about the effects of ozone, sulfur, and nitrogen on AQRVs. Knowledge-based methods were used to elicit these guidelines...

The purposes of this study were to investigate how families who have a child with Down's syndrome spend their vacations and to explore families perceived barriers to family vacations. Interviews were conducted with families who had at least three children, one of whom had Down's syndrome. Using qualitative methods, data were collected in an exploratory study (n=25). An analysis of the results explores family vacation preferences and factors affecting family camping experiences.

A 10-year research and development program was conducted by the BioEnergy Development Corporation, USDA Forest Service, and U.S. Department of Energy on the island of Hawaii, where nearly 230,000 acres are suitable for growing biomass in short-rotation Eucalyptus plantations. Successful techniques are described for seedling production, plantation establishment (site preparation, weed control, planting), maintenance (weed control, fertilization), biomass yield estimation, and harvest. Basic biological relationships are described to aid decisions on site selection, initial spacing, fertilizer...

Significant improvements can be achieved with a minimal amount of funding. The holistic approach used by the Los Padres National Forest to improve the opportunities of persons with disabilities is described. Participation by management and employees in a diverse program of attitudinal training, employment practices, public service, and construction projects has been very effective. The enthusiasm generated by "internal" partnerships has made it easier to find "external" partners to help accomplish projects. Support is available in the form of grants and volunteers to assist public agencies...