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In 1989 the Western International Forest Disease Work Conference and the Western Forest Insect Work Conference met jointly in Bend, Oregon, during the week of September 11-15, 1989. One of the 90-minute, concurrent workshops scheduled during this period was a discussion of the biology and present...


Autor: Magill, A.W.

Monitoring human impact on outdoor recreation sites and view landscapes is necessary to evaluate influences which may require corrective action and to determine if management is achieving desired goals. An inexpensive method to monitor environmental change is to establish camera points and use re...


Magill, A.W.[Monitoring environmental change with color slides]Monitoring environmental change with color slides

Douglas-fir seedlings on the Arcata Resource Area, Bureau of Land Management, U.S. Department of the Interior, in central coastal California, were released by chain sawing and grubbing competing vegetation around them at different frequencies (0, 2, and 3 grubbings) over a 5-year period. After 5 ...


McDonald, Philip M.Fiddler, G.O.Harrison, H.R.[Repeated manual release in a young plantation: effect on douglas-fir seedlings, hardwoods, shrubs, forbs, and grasses]Repeated manual release in a young plantation: effect on douglas-fir seedlings, hardwoods, shrubs, forbs, and grasses
Autor: Gause, G.W.

Describes the climatic, edaphic, physiographic, and biotic habitat conditions of the natural range of bigcone Douglas-fir (Pseudotsuga macrocarpa [Vasey] Mayr) and how this tree reproduces, grows, and dies.


Gause, G.W.[Silvical characteristics of bigcone Douglas-fir (Pseudotsuga macrocarpa [Vasey] Mayr)]Silvical characteristics of bigcone Douglas-fir (Pseudotsuga macrocarpa [Vasey] Mayr)

Summarizes available information on Acacia koa (Gray), including habitat conditions, life history, special features, races, and related species. Cites 46 articles.


Whitesell, C.D.[Silvical characteristics of koa (Acacia koa Gray)]Silvical characteristics of koa (Acacia koa Gray)

More than 1400 terms useful in wildland and related resource planning are defined. The purpose of the work is to facilitate communication between professionals, not to provide them with exhaustive vocabularies of each other's specialties. Definitions are drawn from many sources, including public ...


Schwartz, C.F.Elsner, Gary H.Thor, E.C.[Wildland planning glossary]Wildland planning glossary
Conrad, C.E.Oechel, W.C.[Proceedings of the symposium on dynamics and management of mediterranean-type ecosystems]Proceedings of the symposium on dynamics and management of mediterranean-type ecosystems

From the background of more than 100 years' collective experience in watershed research and from comprehensive review of the literature of forest hydrology, the authors summarize what is known about the forest's influence on the water resource, particularly the effects of current forestry practic...


Anderson, H.W.Hoover, M.D.Reinhart, K.G.[Forest and water: effects of forest management on floods, sedimentation, and water supply]Forest and water: effects of forest management on floods, sedimentation, and water supply

Giant sequoia (Sequoiadendron giganteum [Lindl.] Buchholz) has long been noted for its size and beauty. It is widely planted as an ornamental and increasingly is being utilized for timber production. The workshop was the first ever designed to bring together the state-of-knowledge on giant sequoi...


Weatherspoon, C.P.Iwamoto, Y.R.Piirto, D.D.[Proceedings of the workshop on management of giant sequoia. May 24-25, 1985, Reedley, California]Proceedings of the workshop on management of giant sequoia. May 24-25, 1985, Reedley, California

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