Last edited by Jull
Friday, April 17, 2020 | History

4 edition of Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir found in the catalog.

Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir

Robert O. Curtis

Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir

  • 33 Want to read
  • 40 Currently reading

Published by Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station in Portland, Or .
Written in English

    Subjects:
  • Douglas fir,
  • Forests and forestry -- Washington (State) -- Mensuration -- Mathematical models

  • Edition Notes

    Statementby Robert O. Curtis and James D. Arney.
    SeriesResearch note PNW -- 297., USDA Forest Service research note PNW -- 297., Research note PNW -- 297.
    ContributionsArney, James D., United States. Forest Service., United States Pacific Northwest Forest and Experiment Station.
    The Physical Object
    Pagination7 p. :
    ID Numbers
    Open LibraryOL17517044M
    OCLC/WorldCa3124497


Share this book
You might also like
doors of perception, and Heaven and hell

doors of perception, and Heaven and hell

If I Could Drive a Car Hauler!

If I Could Drive a Car Hauler!

Unwritten history of slavery

Unwritten history of slavery

Birds of the Arctic Tundra

Birds of the Arctic Tundra

Friends

Friends

An Act for the encouragement of elementary education

An Act for the encouragement of elementary education

Abstracts and proceedings

Abstracts and proceedings

Extension of fishery agreement between the United States and the Peoples Republic of China

Extension of fishery agreement between the United States and the Peoples Republic of China

The East Indiaman

The East Indiaman

Elements of a theory of design limits to optimal policy

Elements of a theory of design limits to optimal policy

Adhesives.

Adhesives.

VW owners workshop manual.

VW owners workshop manual.

Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir by Robert O. Curtis Download PDF EPUB FB2

Get this from a library. Estimating D.B.H. from stump diameters on second-growth Douglas-fir. [Robert O Curtis; James Douglas Arney; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)] -- Gives equations for estimating diameters at breast height of second-growth Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) from measured stump diameters over bark and Estimating D.B.H.

[diameter at breast height] from stump diameters on second-growth Douglas-fir book heights. Gives equations for estimating diameters at breast height of second-growth Douglas-fir (Pseudotsuga Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir book (Mirb.) Franco) from measured stump diameters over bark and stump heights, based on measurements at 22 locations in western Oregon and Washington.

Forest Ecology anO Management ELSEVIER Forest Ecology and Management 81 () Estimating diameter at breast height and basal diameter of trees from stump measurements in Nepal's lower temperate broad-leaved forests Deepak B. Khatry Chhetri *, Gary W.

Fowler School of Natural Resources and Environment, University of Michigan, Ann Arbor, M, USA Accepted 8 Cited by: Equations are given for estimating merchantable volumes of second-growth Douglas-fir stands to specified breast high and top Estimating D.B.H.

[diameter at breast height] from stump diameters on second-growth Douglas-fir book limits, in cubic feet or board feet, from total volume in inch d.b.h. were Calcu ated using height-diameter functions. Estimating D.B.H.

[diameter at breast height] from stump diameters on second-growth Douglas-fir / (Portland, Or.: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, ), by Robert O. Curtis, James D. Arney, Or.) Pacific Northwest Forest and Range Experiment Station (Portland, and United States Forest.

Compatible taper and volume equations give identical estimates of total volume of trees. Two basically opposite techniques for the construction of compatible systems of estimating tree taper (decrease in diameter with increase in height) and volume were derived and examined statistically.

In the first method compatible taper equations are derived from volume equations fitted on tree volume Cited by: 2. Biomass amounts predicted by generalized models are often not applicable for small regions.

Localized allometric models were developed relating tree/biomass components to diameter at breast height (dbh) for coast redwood (Sequoia sempervirens (D. Don) Endl.) from an industrial timberland in northwestern California, USA.

dbh for the candidate trees ranged from cm to cm. Biomass of Cited by: 5. Second-growth redwood 70' tall, 14" dbh, 75 yrs old; stump 12' tall Sprouting after cutting old-growth redwood The ARCO (Arcata Redwood Company) giant Living Douglas-fir stump; root grafted to a living tree Note: When you sign the guestbook, please include the date and your email address.

Only 3 or 4 lines of text are available for your message. A truncated two-parameter Weibull distribution was fit to large tree diameters (diameter at breast height (d.b.h.) ≥ cm).

These parameters were then used to predict the number of small trees. As the forest industry in British Columbia becomes increasingly dependent on second-growth timber for its raw material supply, the question of wood quality becomes more relevant.

Accelerated growth in forest plantations, coupled with an earlier harvest, will lead to changes in the quality of the timber harvested. The influence of cambial aging, initial spacing, stem taper and growth rate was Cited by: The percent age of all trees > 40 cm d.b.h.

went from 22 percent before thinni ng to 30 percent after t hinn ing. Table 2—Samp le sizes, m ean diam eters and m ean tree d ensiti es for each   During this period, annual growth on the Good and Poor Forties has averaged between and m 3 ha −1 of pine sawtimber (in trees >30 cm in diameter at breast height, d.b.h Author: Don C.

Bragg. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Because of its slow early height growth, associated species such as western hemlock, Douglas-fir, and noble fir initially overtop Pacific silver fir when grown in the open.

After the initial overtopping, on many sites Pacific silver fir appears to outgrow and become taller than western hemlock after years (19). The critical bending moment (Mc) of winched trees was determined and the relationship between Mc and tree and stand characteristics was investigated through statistical analyses.

Stem mass (SW), average spacing between trees (S) and height:diameter ratio (H/d.b.h.) were initially selected by a screening procedure to predict Mc. The locations of all riparian trees (those trees at the bankfull stage or lower) greater than 2 cm in diameter (d.b.h.) were plotted on the channel map during and Trees with their root bases positioned at, or closer to, the active stage height were considered part of the active channel riparian population.

BF into cubic meters. Treesearch. Henry Spelter. Noted forest products industry researcher and writer says the conversion factor traditionally used to convert logs mea.

Example The following bole diameters were measured on a Pinus patula tree with a dbh of cm, a height of m and a total stem volume of m3: Height Diameter Height Diameter Height Diameter Height Diameter (m) (cm) (m) (cm) (m) (cm) (m) (cm) A FOREST MYSTERY SOLVED Floyd Cossitt, a graduate of the Idaho advertisement A FOREST MYSTERY SOLVED boys, there's a dead deer," exclaimed covered, and apparently very fresh, probably made the night before or in early morning.

Multipliers Minutes Idajọ biba Keferi kopa ninu Ọdun wọn Christchurch Boys' High School Media Team Bend, Or Real Estate Podcast with Stellar Realty NW Precision Training Anastasia Beverly Hills Soft Glam Palette Review / New Makeup / Redbone & Caramel / TiaraTexas Bull City Wargaming - Warhammer Fantasy, 40K and more.

A canyon of length L to building height H ratio L/H=10 and street width W to building height H ratio W/H=2 with typical two-rowed avenue-like tree planting has been investigated (Fig.

Search for: Volume 1: Conifers - North Carolina Forestry Library. Mathis Côté | Download | HTML Embed. In there were trees per acre with an average diameter at breast height (dbh) of inches and an average height of 57 feet. Live crown occupied about 40 percent of total tree height. The soils in the plantation consist of Sharon silt loam and Belknap silt loam.

The rain forest is usually considered to have the most valuable forest trees. The native koa grows to feet high with a d.b.h. of 3 to 6 feet. Unfortunately, koa stands are overmature, and production per acre seldom exceeds 3, board feet.

(Koa is a highly. Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics. Studylib. Documents Flashcards Grammar checker Login from Ecosystem Analysis Forests: Fresh Perspectives (Proceedingspf the 40th Annual Biology Colloquium.

Suckers developed into healthy trees 8 to 16 cm (3 to 6 in) in diameter breast height in 5 to 6 years and were estimated to be 4 m (12 ft) tall." Koa colonies (root sprouts originating from the mother tree) in the park expanded at the rate of to m ( to 8 ft) per year (51).

Taholah Log Unit - Stump Reval. & K Modification Report File #1 -- PAO Crane Creek Log. Unit File #4 -- PAO the second-growth timber now standing on the cut-over lands can hardly be ready for cutting in less than forty years. The reservation is almost solidly allotted, and the allottees or their heirs.

The annual height increment of P. glauca saplings increased from 5 cm at 10% light to 25 cm at 40% light; the latter increment was approximately equal to growth in % light conditions.

The number of buds, the diameter of the current leader, and the height to diameter ratio of the tree also increased with light transmittance. Stem diameter and dry weight relationships in Tsuga canadensis (L.) Carr.

Bulletin of the Torrey Botanical Club Abstract: Stem diameters and dry weight for bole, branches, bark and needles are given for 20 hemlock trees from the southern Appalachians. Simple allometric equations relating dry weight to d.b.h. are also presented. United States Proceedings of the Symposium on the.

Department of Agriculture. Forest Service Ecology, Manage ent, an. Pacific Southwest Forest and Range Experiment Station ilization of Ca ifornia Oaks P.O.

Box Berkeley California General Technical Report PSW JuneIClaremont, California The views expressed in the papers included in this volume are those of the .