Expected Douglas-fir yield tables associated with D-plus thinning regimes

Expected Douglas-fir yield tables associated with D-plus thinning regimes by James Douglas McEwen Download PDF EPUB FB2

Thinning, if any. YLELD TABLES FOR NATURAL REGENERATION Table 1 and figures 1,2, and 3 represent the yields for the mix of species typically found in naturally regenerated stands of the grand fir-cedar-hemlock ecosystem.

Grand fir is the most prevalent species followed by Douglas-fir and western white pine (Pinus monticola). growth, yield table, site index. A ll older coastal Douglas-fir foresters are well acquainted with The Yield of Douglas-fir in the Pacific Northwest (McArdle et al. ), often referred to simply as “Bulletin ” Some younger foresters and those from east of the Cascades may be aware only that it exists.

Yet, B was perhaps the most. yield table for plus site index = years origin will thinned at to trees per first thinning is at the specified is 4. at the following the the cut is report the dieter of cut trees at thinnings at least the cut at be at least feet basal trees plus.

GROSS YIELD AND MORTALITY TABLES FOR FULLY STOCKED STANDS OF DOUGLAS-FIR George R. Staebler Increasing interest in the practice of intensive forestry has dem­ onstrated the need for gross yield tables for Douglas -fir showing the volume of trees that die as well as volume of live trees.

Net yield tables for Douglas -fir, published inY. DEVELOPMENT OF YIELD TABLES 67 preliminary tables for Douglas fir, Corsican pine and Japanese larch.

Because of the variable treatment received the volume method of growth classification, which was favoured in Germany, records, and the thinning regime which was heavier than that assumed in the older tables.

Managed stand yield tables for coastal Douglas-fir: initial density and precommercial thinning. Managed stand yield tables for coastal Douglas-fir: initial density and precommercial thinning - supplementary operational yield tables (July ).

What the yield tables show. The Forest Yield tables present values for all the main growth and yield variables for a sequence of stand ages. There are two table formats.

The first format is for displaying yield tables involving thinning as part of the management prescription. The format is designed to show results for both standing trees and. Where the yield of a security is computed using its book value rather than its market value.

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Consolidated listing of Yield Book related news, updates, and announcements. Login Required. Growth and yield prediction systems are described in terms of the conditions to which they apply. Frequently, a model can be applied to either unmanaged stands (i.e., MOF whole stand models) or man- aged stands (i.e., TASS), but not to models can simulate the growth of mixed species stands.

based yield estimates for managed stands of coast Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii). The objective was a system which would describe development of even-aged Douglas-fir stands for a range of initial stand conditions and treatment regimes, and which could be modified to incorporate improved information in the.

The Yield of Douglas Fir in the Pacific Northwest BY RICHARD E. McARDLE, Silviculturist Pacific Northwest Forest and Range Experiment Station Forest Service WITH A SECTION ON APPLICATION OF YIELD TABLES BY WALTER H.

MEYER, Silviculturist AND A SUPPLEMENTAL TREATMENT BY DONALD BRUCE, Collaborator I ^^.did (Cited by: The yield tables 6 Basic data 10 Elimination of plots 11 Yield analyses 12 Accuracy of the yield tables 33 Use of tables for yield prediction in under- stocked stands 34 CONTENTS Page The yield tables—Continued.

Effect of density and species composition on yield 36 The stand tables 40 Discussion and application ofstand tables. 66Cited by: THE YIELD OF DOUGLAS FIR IN THE PACIFIC NORTHWEST By RICHARD E. MCARDLE, silviculturist, Pacific Northwest Forest and Range Experiment Station, Forest Service, with a section on application of yield tables by WALTER H.

MEYER, silviculturist, and supplemental treatment by DONALD BRUCE,' collaborator CONTENTS. the Douglas-fir yield tables (6). The midpoints of the six site quahty classes correspond to site indices of, 80, and 50 in the order of I to VI.

For site quaUty VI, however, only the upper site index class is tabulated since the basic data did not extend below. Managed stand yield tables for coastal Douglas-fir initial density and precommercial thinning by Kenneth J. Mitchell. Published by Information Services Branch, Ministry of Forests in Victoria, B.C.

Written in EnglishPages: Douglas-fir Managed Yield Simulator: DFIT User's Guide Yield Tables for Managed Stands of Coast Douglas-fir Three of these equations can be used to predict total per acre production for.

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Grand fir (Abies grandis (Douglas ex D. Don) Lindley) is widely distributed in the moist forests of the Inland Northwest. It has high potential productivity, its growth being nearly equal to western white pine, the most productive species in the region.

There are large standing volumes of grand fir in the region. Nutritionally, the species has higher foliage cation concentrations than Cited by: 3.

To examine the effects of density control and fertilization on stand growth and yield of young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantations, seven treatment regimes were applied. In general, the thinning regimes in the yield tables can be qualified as low thinning, i.e.

small and poor-quality trees are removed, thereby preventing the canopy to become too open (Jansen et al., ). In this study, results of simulations imposing a low thinning were compared with the yield table by: This D yield chart is inferred based upon dividend and price history data that may be incomplete or inaccurate, and may contain special or one-time dividends that can skew calculations.

Even if the data drawn upon to produce this yield chart is accurate, our calculations may be erroneous. Therefore this page should be used purely as a research tool and not relied upon in any way for investing.The Book of Yields is a comprehensive collection of accurate food measurements: weight-to-volume equivalents, trim yields and cooking yields for over practical foods.

The foods are scratch items, not pre-prepped, frozen or convenience foods, whose weights or /5(26).