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Thursday, July 30, 2020 | History

2 edition of Biomass equations for black spruce in Quebec found in the catalog.

Biomass equations for black spruce in Quebec

D. Ouellet

Biomass equations for black spruce in Quebec

by D. Ouellet

  • 374 Want to read
  • 4 Currently reading

Published by Laurentian Forest Research Centre, Canadian Forestry Service, Environment Canada in Sainte-Foy, Qué .
Written in English

    Subjects:
  • Biomass energy -- Québec (Province) -- Mathematical models.,
  • Black spruce.

  • Edition Notes

    StatementD. Quellet.
    SeriesInformation report / Laurentian Forest Research Centre -- LAU-X-60E, Information report (Laurentian Forest Research Centre) -- LAU-X-60E.
    ContributionsLaurentian Forest Research Centre.
    Classifications
    LC ClassificationsTP"360"O84"1983
    The Physical Object
    Paginationv, 27 p.
    Number of Pages27
    ID Numbers
    Open LibraryOL20652067M
    ISBN 100662127978

      Regression equations are used in both forestry and ecosystem studies to estimate tree biomass from field measurements of dbh (diameter at breast height) or a combination of dbh and height. Literature on biomass is reviewed, and sets of publish equation for 25 species common to the Northeastern Unites States are listed. On the basis of these equations, estimates of. biomass on forest land in the Pacific Northwest: a comparison of approaches. Res. Pap. PNW-RP Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p. Live tree biomass estimates are essential for carbon accounting, bioenergy feasi Cited by:

    () present two sets of equations (one for temperate deciduous and one for temperate coniferous species) giving the ratio of total biomass present in foliage, coarse roots, stem bark, and stem wood. These equations take the form: where r i is the fraction of total biomass in the i th biomass component and D is diameter at breast height. Few biomass equations were designed or parameterized with the stated purpose of being applicable to a wide geographic range, e.g., the native range of a widely- occurring species (Clark, et al. , Clark, et al. a, Clark, et al. b, Clark and Schroeder.

    Ensyn owns a minority interest in the equity of the project. Côte-Nord will convert approximat dry metric tons per year of cellulosic woody biomass from local sources to biocrude. The biocrude will be sold to customers in the Northeast US and in Eastern Canada for heating purposes and as a renewable feedstock for Refinery Co-processing. BASIC CHEMICAL COMPOSITION OF THE BIOMASS COMPONENTS OF PINE, SPRUCE AND BIRCH COMPOSITION OF TREE BIOMASSES The review of the chemical composition of tree biomasses was based on the most common organic compound groups found in woody biomasses: cellulose, hemicelluloses, lignin and Size: KB.


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Biomass equations for black spruce in Quebec by D. Ouellet Download PDF EPUB FB2

The biomass equations have been obtained from the United States Forest Service Forest Inventory and Analysis (FIA) National Program. The equations are the same equations used to generate the Common Practice estimate for each Assessment Area (by site class where applicable).

Project Developers must use these same equations for their projects. 75 ‐ year ‐ old black spruce trees were 48 and 18% less than that of stemwood biomass (Table 2). As time series As time series of tree height were not available, stemwood biomass was inferred.

Canadian national tree aboveground biomass equations. Biomass compartments considered in Quebec: (A) Black spruce 20 20 49 48 73 20   At the stand scale, equations were developed to calculate biomass and nutrient contents (nitrogen, phosphorus, potassium, calcium, magnesium) for the different tree components (stemwood, foliage, branches and bark) of the 30 most abundant tree species using basal area.

Biomass and nutrients can be estimated for a species within a mixed stand. Introduction. Crown structure of trees controls the dynamics and growth of forest stands (Horn,Smith and Long,Han et al., ).The large differences that occur in crown shape among species often translate into substantial variation in light interception ().Crown length and foliage display differ among species, often in relation to shade tolerance and stand density, which in Cited by: 4.

The biomass of each component of a tree was estimated from dbh using Swedish equations for biomass (Marklund, ). These equations provide biomass estimates for Scots pine (Pinus sylvestris) and Norway spruce (Picea abies), for the various biomass components (stem, stem bark, living branches, dead branches, needles, stump, roots more than 5 Cited by: numerous biomass equations have been developed specifically for commercial-size loblolly pine trees grown in plantations or natural stands (e.g., Van Lear et al.

BaldwinClark and SaucierAdegbidi et al.Jenkins et al.PoseyDo-Cited by: 2. Title: Tree Volume and Biomass Equations for the Lake States Created Date: 2/21/ AM. Biomass energy is as old as a caveman's fire, and it remains an important source of renewable energy worldwide.

Despite its ancient use as a source of heat and energy, however, many people don't know what biomass energy really means, or where biofuels come : Marc Lallanilla. Biomass and stem volume equations for tree species in Europe A joint project with Finnish Forest Research Institute and University of Edinburgh in co-operation with COST E21 Action Zianis, D., Muukkonen, P., Mäkipää, R.

& M. Mencuccini. Biomass and stem volume equations for tree species in Europe. Accepted for revision in Silva Fennica. A total of Dahurian larch (Larix gmelinii Rupr.) trees and white birch (Betula platyphylla Suk.) trees were harvested in the eastern Daxing’an Mountains, northeast China.

We developed four additive systems of biomass equations as follows: the first additive model system (MS-1) used the best combination of tree variables as the predictors; the second additive model system (MS-2 Cited by: 7.

Bueno-López S, Bevilacqua E, Torres J, Garcia-Lucas E, Caraballo L. Site-specific Allometric Equations for Total Aboveground Dry Biomass and Carbon Content of Naturally Regenerated Pinus occidentalis Sw. Trees. iForest - Biogeosciences and review.

Pandit, K., Bevilacqua, E., Newman, D. and Butler, B. Spatial Pattern of change in timberland ownership in Northern United. Environmental conditions and silviculture fundamentally alter the metabolism of individual trees and, therefore, need to be studied at that scale.

However, changes in forest biomass density (Mg C ha−1) may be decoupled from changes in growth (kg C year−1) when the latter also accelerates the life cycle of trees and strains access to light, nutrients, and by: 2.

Ouellet has written: 'Biomass equations for black spruce in Quebec' -- subject(s): Biomass energy, Mathematical models, Black spruce Asked in Trees Which state has the blue spruce as its state.

InChojnacky et al. published a revised set of biomass equations for trees of temperate US forests, expanding on an existing equation set (published in by Jenkins et al.), both of which were developed from published equations using a meta-analytical approach. Given the similarities in the approach to developing the equations, an examination of similarities or differences in carbon Cited by: 4.

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.

In the early ’s, thousands of trees were destructively sampled across Canada by the Canadian Forest Service (CFS) as part of the ENergy from the FORest research (ENFOR) program with the objective to produce regional biomass equations for the most common tree species.

ume equations, basic density and biomass expansion factors (BEFs). Biomass expansion factors are constants that convert stem volume or mass to whole tree biomass. They may be developed into functions by including relation-ships with age or tree size (Lehtonen et al.

This work presents the results of a study on Norway spruce in Iceland. Canadian national tree aboveground biomass equations M.-C. Lambert, C.-H. Ung, and F. Raulier Abstract: The estimation of aboveground biomass density (organic dry mass per unit area) is required for balancing Canadian national forest carbon budgets.

Tree biomass equations are the basic tool for converting inventory plot dataCited by: Assessment of forest biomass and carbon stocks. Inthe Food and Agriculture Organization of the United Nations launched GlobAllomeTree, a web-based platform designed to improve global access to tree allometric equations and support forest and climate-change project developers, researchers, scientists and foresters to assess forest volume and biomass, and carbon stocks.

National-Scale Biomass Estimators for United States Tree Species Jennifer C. Jenkins, David C. Chojnacky, Linda S. Heath, and Richard A. Birdsey ABSTRACT. Estimates of national-scale forest carbon (C) stocks and fluxes are typically based on allometric regression equations developed using dimensional analysis by:   Ouellet D () Biomass equations for black spruce in Quebec.

Information Report LAU-XE, Canadian Forestry Service, Laurentian Forestry Centre, Sainte-Foy, QC Pinheiro JC, Bates DM () Mixed-effects models in S and by: We estimated the biomass of standing live trees using the Canadian national species-specific allometric aboveground biomass equations developed by Lambert, Ung & Raulier (), then converted the biomass data to C by assigning a C content of Mg C per Mg oven dry biomass.

We estimated the total C stock in aboveground live biomass by Cited by: 4.