Treesearch

Presents technical papers delivered at the 19th World Congress of the international Union of Forestry Research Organizations held in Montreal, Quebec, Canada, on August 5-11, 1990.

People-forest interactions in the Central Hardwoods region are expanding in scope and importance and are generating increasing controversy. In order to manage Central Hardwoods in a manner that contributes most fully to the needs of people, it is important that we better understand the perceptions, goals, objectives, and values of forest users, owners, managers, and the concerned public.

Production costs for short rotation, intensive culture (SRIC) Populus biomass were developed from commercial-sized plantations under investigation throughout the eastern U.S. Populus hybrid planted on good quality plantation sites at a density of 850 cuttings/acre was projected to yield an average of 7 ovendry (OD) tons/acre/year. Discounted cash/flow analysis of multiple rotations showed pre-harvest production costs of $15/ton (OD). Harvesting and transportation expenses would increase the delivered cost to $36/ton (OD). Although this total cost compared favorably with the regional market...

Explains the Northeast Stand Exam (NEST Version 2.1) program. The NEST program was designed for use on the Polycorder 600 Series electronic portable data recorder to record data collected from the standard permanent plot as described by the Stand Culture and Stand Establishment Working Groups of the Northeastern Forest Experiment Station.

The USDA Forest Service's Eastern Region manages eight wilderness areas that have been designated as Class I air quality areas by the Federal Clean Air Act. As part of this legislation, Federal land managers are required to consult with air pollution regulators on the potential impacts of proposed air pollution emissions--including phytotoxic gases and acidic materials--on the air quality-related values (AQRVs) of these wildernesses. Applications for Prevention of Significant Deterioration (PSD) permits must be reviewed and commented on by the Federal land manager. This publication...