Download or read book Report on a Study of the Encroachment of Lodgepole Pine on Western Yellow Pine on the East Slopes of the Cascade Mountains in Oregon written by Thornton Taft Munger and published by . This book was released on 1908 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report of the Chief Forest Service written by United States. Forest Service and published by . This book was released on 1909 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report of the Secretary of Agriculture written by United States. Department of Agriculture and published by . This book was released on 1910 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report of the Chief of the Forestry Division written by United States. Forest Service and published by . This book was released on 1900 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report of the Forester written by United States. Forest Service and published by . This book was released on 1905 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Research Paper Intermountain Forest Range Experiment Station written by Intermountain Forest and Range Experiment Station (Ogden, Utah) and published by . This book was released on 1952 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book General Technical Report PNW GTR written by and published by . This book was released on 2007 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Annual Reports of the Department of Agriculture for the End of June 30 1909 written by Department of Agriculture and published by . This book was released on 1910 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Forest Service Research Note PNW written by and published by . This book was released on 1963 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ponderosa Promise written by Les Joslin and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research interest in the forests of Oregon and Washington east of the Cascade Range can be traced back to 1897, when Fredrick V. Coville of the Division of Forestry, U.S. Department of Agriculture, reconnoitered the Cascade Range Forest Reserve to report on forest growth and sheep grazing there in an 1898 report. Subsequent forest survey in the late 1890s and early 1900s was stimulated by anticipation of the timber boom that would follow arrival of a railroad. In 1908, Gifford Pinchot's new Forest Service sent young Thornton Taft Munger to study the encroachment of lodgepole pine (Pinus contorta Dougl. ex Loud.) on the more valuable ponderosa pine (Pinus ponderosa Dougl. ex Laws.) stands. By the end of the year, Munger was in charge of the North Pacific District's one-man Section of Silvics, which evolved to become the Pacific Northwest Forest Experiment Station in 1924 with him at the helm. The forest research effort east of the Cascade Range picked up speed with establishment in 1931 of the Pringle Falls Experimental Forest to research the ecologically and economically viable silvicultural systems that would convert the stagnant old-growth forests into more-productive secondgrowth forests. During the ensuing six and one-half decades, a small group of Forest Service researchers and their university counterparts working at the experimental forest and, beginning in 1963, the Bend Silviculture Laboratory, pioneered and pursued the practical silvicultural research that both led and responded to the evolution of their science.

Download or read book U S Forest Service Research Note PNW written by and published by . This book was released on with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Western Yellow Pine in Oregon written by Thornton Taft Munger and published by . This book was released on 1917 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Western Pine Bark beetle written by Willard Joseph Chamberlin and published by . This book was released on 1920 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Genetic Variation and Seed Transfer Guidelines for Ponderosa Pine in the Ochoco and Malheur National Forests of Central Oregon written by Frank C. Sorensen and published by . This book was released on 1994 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Distribution of Biomass and Nutrients in Lodgepole Pine bitterbrush Ecosystems in Central Oregon written by Susan N. Little and published by . This book was released on 1992 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comandra Rust Damage to Ponderosa Pine in Oregon and Washington written by Thomas White Childs and published by . This book was released on 1968 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Epidemiology of Lophodermella Morbida in Plantations of Ponderosa Pine in Western Oregon written by George M. Harvey and published by . This book was released on 1974 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1967, Lophodermella morbida Staley and Bynum, a recently described hypodermataceous needle-cast fungus, became destructively epidemic in a knobcone pine (Pinus attenuata Lemm.) plantation in Del Norte County, California, and in several ponderosa pine (P. ponderosa Laws.) plantations in western and southwestern Oregon. This thesis presents information on this currently destructive disease. The life cycle of L. morbida is completed within 12 months. Mature ascospores are discharged during periods of general rain from early June through mid-July. Infection occurs only on foliage recently emerged from the fasicle sheath. Foliage infected in one year drops from the tree by mid-summer of the next. By midsummer about one-half of each newly infected needle has become necrotic; thus seriously impairing food production. Growth of repeatedly infected trees is significantly reduced; however, from 1969 through 1973, there has been little mortality in the plantations under study. Probably L. morbida is a native fungus, catapulted to prominence in populations of a very susceptible host growing on unsuitable sites under climatic conditions favoring spread of the pathogen and disease intensification. To avoid trouble from this disease, planting ponderosa pine on questionable sites should be stopped. When ponderosa pine is planted, ridgetops and natural basins where clouds linger should be avoided. On the eastern slope of the Cascade Mountains, the risk from L. morbida to either natural stands or plantations of ponderosa pine appears minimal because of limited moisture. However, an unusually wet June or July might substantially increase the risk. Pine on the windward (west) slope of interior mountains of the Pacific Northwest may have a high risk factor from infection because of favorable rainfall patterns induced by local topography.