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The volume of timber harvested in southeast Alaska between 1909 and 1983 was 14,689 million board feet; nearly all was transported on water to various destinations for processing. In 1971 there were 69 active log transfer and storage facilities and 38 raft collecting and storage facilities in southeast Alaska. In 1983 there were 90 log transfer sites, 49 log storage sites, 228 sites proposed for log transfer development, and 12 sites proposed for log storage development. We calculated that there were 176 acres of estuarine habitat covered by bark from 90 log transfer sites in 1982....

Thinning is recommended for maintaining vigorous tree growth to minimize losses caused by spruce beetles (Dendroctonus rufipenni Kirby) and windthrow in residual stands of spruce in south-central Alaska. The anatomy of conifer stems, the variation in stem diameter growth, and the variability of tree response to wounding are discussed to explain why trees become vulnerable to attack by bark beetles. A working hypothesis, that beetle-attack patterns on the lower bole of trees have evolved to take advantage of the weak defense of a stressed tree, is presented as a rationale for maintaining...

This translation, based on a list of Russian names of insects and mites by W. Laux and G. Schmidt and published in 1979, is designed to assist English-speaking entomologists and other biologists in identifying insect species from their Russian vernacular names as listed in Soviet Union journals. The translation consists of three lists: (1) species arranged taxonomically (orders, families, genera, and species); (2) scientific (Latin) binomials (genus and species) arranged alphabetically; and (3) translated common names in alphabetical sequence. Each list contains 1,345 entries, and each...

Early in 1979, the School of Agriculture and Land Resources Management of the University of Alaska-Fairbanks surveyed forest managers in a number of northern countries to identify topics of circumpolar interest in forest management. Responses most frequently centered on problems of forest regeneration. As a result, we initiated what was to be a series of international workshops to address the problem of obtaining adequate and economical forest regeneration at high latitudes. Our initial efforts were financed by a generous grant from the United States Department of Agriculture, U.S. Forest...

Public and private lands in the United States are used by millions of people for recreational activities. Many of these activities occur in or near streams and coastal areas that produce various species of anadromous fish. A major concern of fishery managers is the possible adverse effect of recreational uses on fish habitat. Conversely, the management of fish habitats may have either positive or negative effects on recreation. Recreational issues affecting either the supply of habitat for anadromous fish production and use, or the demand for the fisheries are also discussed. Opportunities...

This report was developed from discussions on the role of Ceanothus in western forests that took place at a workshop held November 22-24, 1982, at Oregon State University, Corvallis, Oregon. The workshop provided a forum for discussing research relevant to Ceanothus management. Major topics were autecology and synecology; interactions between Ceanothus species and the soil system; the physiological ecology of Ceanothus and associated conifers; and the effects of Ceanofhus on forest productivity and growth. The workshop was attended by scientists and land managers from government agencies,...

Light commercial thinning in 100-year-old, well-stocked, mixed stands of western hemlock and Sitka spruce at Cascade Head Experimental Forest produced no consistent growth and yield responses related to thinning intensity. Mortality for all causes except windfall was generally less for thinned stands than for unthinned stands. Losses from windfall appear to be related more to location than to thinning.

New height growth and site index curves for red alder (Alnus rubra Bong.) were developed from stem analysis data. The analyses use a reference (site index) age of 20 years and are applicable to natural stands between 5 and 50 years of age in western Washington and northwestern Oregon. The new curves are polymorphic and provide a better fit to observed patterns of height growth than the previously available curves. Although differences from previously available curves are not large, the new curves should be an improvement, particularly for use in short-rotation management. Recommendations...

mountainous areas of the western United States, Canada, and Alaska is severely restricted by unstable terrain that is susceptible to soil movement varying from surface creep to catastrophic landslides. Management practices that might trigger or increase such disturbance are increasingly subject to public scrutiny. Land management-planning as required by the Resources Planning Act (RPA) (PL93-378 1, the National Forest Management Act (NFMA) (PL94-588), the Resource Conservation Act (RCA) (PL95-192) and other Federal and State laws requires that soil stability receive strong consideration in...

Program SOILS processes data from soil assessment surveys following a design adopted by the Pacific Northwest Region of the USDA Forest Service. It accepts measurements from line transects and associated soil subsamples and generates estimates of the percentages of the sampled area falling in each soil condition class. Total disturbance is calculated by combining certain detrimental soil condition classes. Variances and confidence intervals of the percentage of each class are computed. Summary or preliminary estimates may be inserted into the program for computing sample sizes to help in...