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Monday, August 3, 2020 | History

2 edition of Early plant biomass trends following forest site preparation on the Oregon Coast Range found in the catalog.

Early plant biomass trends following forest site preparation on the Oregon Coast Range

Ubirajara Contro Malavasi

Early plant biomass trends following forest site preparation on the Oregon Coast Range

by Ubirajara Contro Malavasi

  • 28 Want to read
  • 13 Currently reading

Published .
Written in English

    Subjects:
  • Biotic communities.

  • Edition Notes

    Statementby Ubirajara Contro Malavasi.
    The Physical Object
    Pagination88 leaves, bound :
    Number of Pages88
    ID Numbers
    Open LibraryOL14230652M

    Biomass removals during harvesting or site preparation cause changes in C and nutrient stores and potentially affect long-term site productivity. We assessed C and N stores in a highly productive coastal Washington site before and after imposing biomass-removal treatments to a year old Douglas-fir/western hemlock stand.   Oregon’s energy plan offers a glimmer of hope for biomass energy Advocates hope the timber-rich state’s decision to ditch coal could help revive the struggling industry.

    Forest canopy development is known to influence understory biomass relationships. An 85, ha area in southcentral Oregon was examined for changes in overstory canopy closure using and aerial and satellite imagery and a geographic information by: The live wood biomass curve was calibrated by using existing chronosequence field data from 42 sites in the southern Coast Range ranging in age from 40 to about years 3 ; biomass peaked at.

    What is forest biomass, how utilization is better than wildfire, and what the emissions look like One third of energy produced in the United States is used for heat. Many rural forest communities in the Northwest are without access to natural gas, which is the preferred heating fuel for its low cost and low emissions. Shifts in morphological traits, seed production, and early establishment of Desmodium nudiflorum following prescribed fire, alone or in combination with forest canopy thinning April Botany


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Early plant biomass trends following forest site preparation on the Oregon Coast Range by Ubirajara Contro Malavasi Download PDF EPUB FB2

Early plant biomass trends following forest site preparation on the The vegetation following forest site preparation was examined in ten clearcut units located in the western Oregon Coast Range. The site preparation techniques used in these units included scarification, slash burning, and chemical spraying.

Findings indicate that early Cited by: 3. in mature forest of Picea sitchensis and Tsuga hetero-phylla on the Oregon coast.

We also reconstruct tempo-ral patterns in the aggrading phase, and use observations of live tree dynamics and coarse woody debris stores to explore potential trends in the period following maximum biomass.

Long-term observations of tree growth and. Coast Range than in an area the size of an individual stand or a small watershed. Figure Occurrence and distribution of (a) all plots, (b) Oregon white oak, (c) madrone, (d) Sitka spruce and (e) western hemlock in forest plots in the Oregon Coast Range.

(a) (b). We examined changes in total biomass and its components (attrition of coarse woody debris (CWD), growth of shrubs and herbaceous plants, and tree recruitment) over the first 15 years following wildfire in a mountain hemlock (Tsuga mertensiana) forest in Oregon, using permanent plots representing random samples of four levels of fire-severity.

• An overview of the current forest products industry in Oregon combined with estimates of regional biomass supply; • A review of literature related to use of woody biomass in Oregon for biofuels and bio-based products; and • Interviews with key stakeholders - private landowners and manufacturers that useFile Size: KB.

Concerned about the health of Oregon's forestlands, increasingly large and frequent wildfires, and associated expenditures and impacts, the Oregon Legislature passed Senate Bill (ChapterOregon Laws, ). The Oregon Forest Biomass Working Group (OFBWG) was established in November to meet the directives in established by.

The C accumulated in the C. equisetifolia plant biomass increased markedly with stand age. The annual rate of C accumulation in the C. equisetifolia plant biomass during 0–3, 3–6, 6–13 and 13–18 yrs stage was, and Mg C ha −1 yr −1, respectively (Table 6).Cited by: estimating biomass and leaf area of plants in the pacific northwest H.

Gholz C. Grier A. Campbell Oregon's forest resources and operating its wood-using industries. Because of this research, Oregon's forests now in the Coast Range can reach 2 m, so these equations could. Introduction. Forest ecosystem carbon (C) stock represents an important measure of the global C balance.

C is predominantly stored in live biomass and soils, and to a smaller degree, in coarse woody debris [].Standing biomass C stock accounts for 82–86% of all aboveground C stock, while forest soils are estimated to contain about 73% of the global SOC stock [2–3].Cited by: 6.

This comprehensive plus-page study examines the implications of using woody biomass from thinning overcrowded forests as a renewable source of energy, which at the same time could help restore forest health, reduce the vulnerability of forests to fire and revitalize rural economies. Bioenergy or biomass energy—the energy from plants and plant-derived materials—has been us ed since humans began burning wood to cook food and keep warm.

Wood is still the largest biomass energy resource today, but other sources of biomass can also be used. : This file provides tree wood and foliage aboveground biomass for the years, and File 3. : This file provides soil chemistry and bulk density data for the years, and Site Preparation for Tree Planting in Agricultural Fields and Hardwood Forests • FNR Figure 3.

Regeneration openings must be completed in the post-harvest timber stand improvement by controlling remaining trees and shrubs. Figure 4. Site preparation may include reducing logging slash to facilitate enrichment tree planting. Bioenergy Harvest, Climate Change, and Forest Carbon in the Oregon Coast Range Megan K.

Creutzburg Portland State University, [email protected] Robert M. Scheller Portland State University, [email protected] Melissa S. Lucash Portland State University, [email protected] Louisa B. Evers Bureau of Land Management Stephen D. LeDuc. Recovery was documented as follows after logging and fire in the Oregon Coast Range: before burn 1 year after burn orig.

seedlings orig. stems seedlings stems + sprouts (# per acre) N-aspect 0 0 S-aspect 2, 0 15, 0 Following fire in British Columbia, cover reached 18 percent after 2 years and had increased to 55 percent with 8. Bioenergy harvest, climate change, and forest carbon in the Oregon Coast Range MEGAN K.

CREUTZBURG1, ROBERT M. SCHELLER1, MELISSA S. LUCASH1, LOUISA B. EVERS2, STEPHEN D. LEDUC3 and MARK G. JOHNSON4 1Department of Environmental Science and Management, Portland State University, PO BoxPortland, ORUSA, 2Bureau of Land Management, Cited by:   The seasonal dynamics of forest floor biomass, pattern of litter fall and nutrient return in Central Himalayan oak forests are described.

Fresh and partially decomposed litter layers occur throughout the whole year in addition to herbaceous vegetation. The highest leaf litter value is found in April and May and the minimum in by: L iving plant material is the source of all biomass fuel.

Oregon´s biomass resources include wood, agricultural crop residue and organic waste. Environmental expert Ed Humes says the average Portlander generates slightly more solid waste every day than the average American: pounds. But even after all that recycling, there’s still more than 1 million tons of trash a year that needs to be.

FOREST HARVESTING DISTURBANCE AND SITE PREPARATION EFFECTS ON SOIL PROCESSES AND VEGETATION IN A YOUNG PINE PLANTATION by Tonya W. Lister Thesis submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN FORESTRY James A.

Burger, Chair W. ORNL DAAC: This data set contains measurements and estimates of leaf, tree, and soil data from six projects conducted by the Terrestrial Ecosystem Research and Regional Analysis- Pacific Northwest (TERRA-PNW) research group between and across forests in Oregon and Northern California.

Included are standardized, integrated measurements and estimates of specific Cited by: 7. The report examines implications for research via an overview of Oregon's current primary forest products manufacturing industry combined with estimates of regional biomass supply, review of recent reports related to use of woody biomass for biofuels and bio-based products, and interviews with private landowners and forest industry personnel.NACP TERRA-PNW: Forest Plant Traits, NPP, Biomass, and Soil Properties, This data set contains measurements and estimates of leaf, tree, and soil data from six projects conducted by the Terrestrial Ecosystem Research and Regional Analysis- Pacific Northwest (TERRA-PNW) research group between and across forests in Oregon and Northern California.Abstract: Biomass estimates are required for reporting carbon, assessing feedstock availability, and assessing forest fire threat.

We developed diameter- and height-based biomass equations for Western hemlock (Tsuga heterophylla (Raf.) Sarg.) and red alder (Alnus rubra Bong.) trees in Western Oregon.