1 edition of Management of second-growth forests of the Douglas-fir region found in the catalog.
Management of second-growth forests of the Douglas-fir region
by U.S. Department of agriculture, Forest service, Pacific Northwest forest and range experiment station in Portland, Ore
Written in English
|Contributions||Douglas-Fir Second-Growth Management Committee., Pacific Northwest Forest and Range Experiment Station (Portland, Or.)|
|The Physical Object|
|Pagination||iii, 151 p.|
|Number of Pages||151|
planting with Douglas-fir became the pri-mary method of stand regeneration by the early s. Following passage of the National Forest Management Act of and pur-suant regulations, land managers on na-tional forests faced a new set of manage-ment objectives, including maintenance of biological diversity. Special treatmentsFile Size: 1MB. Purpose of and Need for Action. The NPS proposes to thin second growth forests on acres in the South Fork of Lost Man Creek watershed to reduce stand density and alter species composition to promote growth of remaining trees and understory vegetation, development of multistoried canopy, and increase the ratio of redwood to Douglas-fir.
Economic Feasibility of Longer Management Regimes in the Douglas-Fir Region Richard Haynes1 United States Department of Agriculture Forest Service Paciﬁc Northwest Research Station Research Note PNW-RN February 1 Richard W. Haynes is a research forester, Forestry Sciences Laboratory, P.O. Box , Portland, OR Clearcutting is efficient. Douglas-fir regenerates best in a clearing with lots of sun. If trees get too big, local markets for large logs may be limited etc. But if you want to grow and retain mature forest characteristics, what are the options for managing older Douglas-fir forests with thinning and selective cutting rather than larger. Growth of coast redwood and Douglas-fir following thinning in second growth forests at Redwood National Park and Headwaters Forest Reserve Phillip J. van Mantgem1, Jason R. Teraoka2, David H. LaFever3, and Laura B. Lalemand1 Abstract Managers of second growth forests at Redwood National Park and the Bureau of Land.
Many of Sonoma County’s oak woodlands are disappearing rapidly, transitioning to Douglas fir and California bay. The advent of carbon credits is changing the way people view the region’s forests. Most old growth Douglas-fir (Pseudotsuga menziesii) range in height from to feet, and have a diameter of 5 to 8 feet. The oldest known Douglas-fir (Pseudotsuga menziesii) can be found on Vancouver Island in British Columbia, and is estimated to be between to years old (Earle ). Second-Growth Douglas-fir. Photo by author. Money Trees is an interdisciplinary history of the crucial decades that shaped the modern American conception of the value of the forest. It begins with early 20th century environmental changes in the Douglas Fir forests of the Pacific Northwest, which led to .
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SyntaxTextGen not activatedDouglas-fir forest with mixed understory. Douglas-fir-dominated forest is pdf by a significant component of hardwood trees, usually California bay (Umbellularia californica), but tanoak (Lithocarpus densiflorus) or individual coast live oaks (Quercus agrifolia) may be shrub understory is highly variable, but is usually moderate to very dense.Forest management choices offer significant potential to mitigate global climate change and biodiversity loss.
Download pdf illuminate tradeoffs relevant to policymakers, forest sector stakeholders, and consumers of forest products, we utilize three Key Performance Indicators—average carbon storage in the forest and wood products; cumulative timber output; and discounted cash flow—to compare Cited by: 3.The Ebook Forests Initiative and Healthy Forests Restoration Act Interim Field Guide: Place of partial cutting in old-growth stands of the Douglas-fir region.
U.S. Department of Agriculture, Forest Service. Juday, G. P. (). Snag densities in old-growth and second-growth Appalachian forests.
Journal of Wildlife Management.