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Forest mensuration: a handbook for practitioners

Management handbook
Forestry Commission
Forest Mensuration is an essential, practice-based handbook designed to help all those working in the timber trade and forestry understand how to measure trees and timber. Written for practitioners, researchers and students, this new edition aims to cut through some of the complexities of forest mensuration by providing a logical format and additional advice to help readers find the information they need more easily. A key to measurement procedures at the start of the book guides readers towards selecting appropriate methods of measurement. The Handbook includes a comprehensive set of charts, tables and equations alongside step-by-step guidance to help readers in applying procedures which currently represent best practice in British forestry.
Book | 330 pages | 2-colour
Stock code:FCBK039

Timber Measurement

Field Guide
Ewan D Mackie, Robert W Matthews
Timber measurement was first published in 1983 as Booklet 49. Its punchy, practical style proved popular with practitioners trying to work out how to take basic measurements on trees and timber and apply standard forest mensuration procedures in the field. This revised edition has been produced primarily to achieve consistency with the second edition of Forest Mensuration: a handbook for practitioners. The new edition includes a number of significant changes, including a revised section on weight measurement. The section on abbreviated tariffing has been amended for consistency with Forest Mensuration: a handbook for practitioners. The opportunity has also been taken to make small refinements to the information in all sections to improve clarity and, in a departure from the original format, a number of decision trees have been included to help guide users through the various methods and procedures.
A5 spiral bound | 66 pages | 2 colour
Stock code:FCFG002
F.C. Hummel
This bulletin is a study in forest mensuration which has arisen out of investigations into the timber content of British woodlands. It deals primarily with the relationship that exists between the volume of a tree and its sectional area at breast height; a relationship here called, for convenience, the volume-basal area line. Studies of this relationship have made possible the production of general volume tables and general tariff tables, which facilitate the rapid and accurate estimation of the timber content of certain types of plantations, and are therefore of considerable practical importance to foresters working in the field.
185 x 250mm | 92 pages | black and white
Stock code:FCBU024
P.N. Edwards
This Booklet is designed purely for field use. It assumes some knowledge of, and training in, forest measurement procedures which are more fully described in the Forest Mensuration Handbook by G. J. Hamilton, and the reader is referred to this publication for further information. However, the present Booklet contains all the mensurational information which may be needed in the forest for measuring both standing trees and felled timber.
102 x 203mm | 64 pages | black and white
Stock code:FCBK049
G.J. Hamilton
Measurement of timber is required for several purposes. The most obvious of these, perhaps, is the need to quantify forest produce for sale. Measurement of timber is also required in management, notably for planning purposes and for control of resources. This publication is intended to provide the information necessary to meet the needs of measurement for most purposes and conditions in British forestry. The main components are, first, a key which enables the user to choose the measurement procedure most appropriate for the purpose intended. Secondly, detailed measurement procedures are given separately for felled and standing timber. Essential background information is given with each of the procedures which are individually numbered. The tables required to carry out some of these procedures are produced in Part VI. Miscellaneous aspects of measurement, together with conversion factors, abbreviations, etc are brought together in Part V.

An updated version of this handbook was produced in 2006.

140 x 216mm | 276 pages | black and white
Stock code:FCBK039

Roundwood and sawlog volume tables

Field Guide
Forestry Commission
This publication combines and replaces Forestry Commission Field Book 1: Top diameter sawlog tables and Forestry Commission Field Book 11: Mid diameter volume tables. The top diameter method for assessing volume is restricted to groups of sawlogs, preferably of uniform length up to 8.4 m. Volume determination using the mid diameter method is traditionally used for assessing timber lengths such as sawlogs, selected poles and billets. Further information on the choice of volume assessment method can be found in Forest Mensuration: a handbook for practitioners where these tables are reproduced.
A5 spiral bound | 50 pages | 2 colour
Stock code:FCFG003
S.N. Pryor
The silvicultural characteristics of Prunus avium are described, based on a study in which over 40 stands throughout Britain were visited.
190 x 250mm | 28 pages | black and white
Stock code:FCBU075
R. Worrell
The research described in this Bulletin integrates the main environmental factors influencing the growth of Sitka spruce at high elevations in order to estimate future yield class.
190 x 250mm | 20 pages | black and white
Stock code:FCBU072

Forest Yield: A PC-based yield model for forest management in Britain

Robert W. Matthews, Paul A. Henshall, Thomas A.R. Jenkins, Ewan D. Mackie
Forest Yield is a PC-based yield model for forest management in Britain. The software provides the user with estimates of various aspects of tree growth, for a range of tree species, yield classes and management prescriptions. The software and user manual are supported by a handbook on forest growth and yield tables, for those who would like to know more about the theory underpinning yield modelling. Forest Yield will be of use to forest and woodland managers and practitioners, researchers and students.

For more information about Forest Yield go to:

£50 + VAT
Stock code:FCSW002
Field Book
Forestry Commission
This Field Book provides tables for estimating the volume of logs using the traditional mid diameter method. Although it is a very accurate method, it becomes less accurate as the length increases. The volume is derived from the product of the length of the log and its mean cross-sectional area. In practice it is the diameter at the mid point which is actually measured. This publication is no longer available to order in hard copy.
99 x 205mm | 84 pages | Black and White
Stock code:FCFB011
Management handbook
R.W. Matthews, T.A.R. Jenkins, E.D. Mackie, E.C. Dick
Yield models are one of the foundations of forest management. They provide information about the patterns of tree growth and potential productivity that can be expected in forest stands of different tree species, with varying growth rates, when managed in different ways. Yield models are in daily use by forest managers and practitioners when making decisions about the future management of a forest – whether it is an individual stand of trees or a whole estate. They are also applied when forecasting future levels of production, when making commitments to supply timber markets, and for planning and scheduling forest operations. The outputs of yield models support many other calculations and models relevant to the evaluation of forests and forestry. These include analyses of the development of forest structure at the stand and landscape scales, the modelling of timber and wood properties, the estimation of forest biomass and carbon stocks, the modelling of forest greenhouse gas balances and the economic evaluation of forest policies and forest management options. This handbook is designed for those who would like to know more about the theory underpinning yield modelling. It will be of use to forest and woodland managers and practitioners, researchers and students.

The Forest Yield software is available from:

A5 | 96 pages | colour
Stock code:FCBK048
G.J. Hamilton, J.M. Christie
The analysis described in this paper was designed to provide quantitative information on the effects of spacing on yield and the components of yieid. It is preceded by a brief review of the more important features of the history of these spacing experiments.
185 x 250mm | 100 pages | black and white
Stock code:FCBU052
F.C. Hummel, G.M.L. Locke, J.N.R.Jeffers, J.M. Christie
The systematic measurement of sample plots in stands of growing timber provides the data for the compilation of yield tables and other estimates of increment which are essential to the economic management of woodlands. In order that such measurements shall be strictly comparable, both as between one sample plot and another, and within the same plot as measured on different occasions, a precise method must always be followed. This bulletin sets out in detail the procedure that has been developed by the Forestry Commission’s research officers since such measurements were begun in Britain, under the Board of Agriculture, forty-five years ago. Though intended primarily for the staff engaged on such work, it is believed that it contains much information of value to all who are concerned with the raising and accurate measurement of timber trees, both at home and abroad.
185 x 250mm | 124 pages | blakc and white
Stock code:FCBU031
Field Guide
Forestry Commission
This Field Guide provides guidance on the control of volume to be removed when marking a thinning and a guide to thinning yields. There are four sections: the first describes the yield class system and how yield class is assessed in a stand. The second covers thinning practice, including the type, intensity and cycle of thinning, how to calculate the thinning yield, the timing of thinning, and how the thinning is controlled. The third describes the field procedures for estimating top height, basal area and volume marked, and how to calculate mean diameter. The final section presents general yield class curves for a selection of common species. A summary of the office and field procedures to be followed when marking a thinning is printed on the inside front cover.
A5 | colour | 56 pages
Stock code:FCFG004
T.J.D. Rollinson
This booklet is designed for field use. It provides a simple guide to the control of volume to be removed when marking a thinning. There are three sections. The first section describes the Yield Class system and the assessment of yield class in a stand. The second section covers thinning practice, that is, the type, intensity and cycle of thinning, how to calculate the thinning yield, the timing of thinning, and how the thinning is controlled. The final section describes the field procedures for estimation of top height, basal area and volume marked, and how to calculate mean diameter. A checklist of the office and field procedures to be followed when marking a thinning is printed on page 56.
100 x 205mm | 56 pages | colour graphs
Stock code:FCBK054
P.N. Edwards, J.M. Christie
This booklet, with its associated yield models and curves, replaces Forestry Commission Booklet Number 34 Forest Management Tables (Metric) by G. J. Hamilton and J. M. Christie, which was published by HMSO in 1971. Yield models can be constructed to simulate the effects of any silvicultural treatment, and the ‘normal yield tables’ included in the earlier publication were models of a specified ‘normal’ treatment. A much wider range of yield models is now available. The format of the yield models is very similar to that of the Normal Yield Tables published previously, except that the current annual increments and the assortment forecasts have been omitted. The models have again been produced directly from computer output.

An new version of this Booklet was produced in 2016.

210 x 146mm | 32 pages | black and white
Stock code:FCBK048
G.J. Hamilton, J.M. Christie
The tables included in this Booklet are designed as aids to the management of forests in British conditions and where profitability is a primary objective. The Booklet is divided into four parts which are:

I — The Yield Class System of Classifying Growth Potential
II — Thinning Control
III— Production Forecasting
IV — Yield Tables

This publication is a revised, metric edition of Forestry Commission Booklet 16, Forest Management Tables, which was produced in Imperial units. The content and coverage of this present version remains, with minor exceptions, fundamentally unchanged from the original Booklet, although several changes have been made in the form of presentation.
140 x 216mm | 207 pages | colour curves
Stock code:FCBK034
Field Book
A.F. Mitchell, V.E. Hallett, J.E.J. White
This listing includes species down to a considerable degree of rarity and only the very rarest, which have too few known specimens to compete effectively as tallest and stoutest are excluded; but where one specimen is clearly of outstanding size it is included even where very few are known. The more important cultivars are included. The total numbers listed are 548 species (188 conifers and 360 broadleaves) with 169 cultivars and varieties. The total number of entries is 1169. This publication is no longer available in hard copy.
148 x 210mm | 33 pages | black & white
Stock code:FCFB010
Technical Paper
Alan F. Mitchell, Victoria E. Schilling, John E.J. White
Measurements of exceptional trees have been recorded for a considerable number of years: initially out of curiosity, especially about maximum size, and then to investigate the potential for growth and productivity according to species and situation. The Forestry Commission tree register provided all the measurements for early editions of this title. The register was begun in 1952 as a survey to locate trees of outstanding size, vigour and quality for use as prospective material for plantation tree breeding experiments. Very large ancient, ornamental and obscure specimens were added to the register after 1954. Historical information, particularly from the beginning of the 20th century, was subsequently researched and extant trees were located and remeasured. This work continues today, supplemented increasingly since 1985 with routine tree measurements recorded by The Tree Register of the British Isles which is a charitable trust. This publication is still available to order in hardcopy.
A4 | 88 pages | colour cover
Stock code:FCTP007
Research Report
Steve Smith, Graham Bull, Justin Gilbert, Simon Gillam, Esther Whitton
This publication details the methodology behind the production of the National Inventory between 1995 and 1999.
A4 | 64 pages | colour | online only
Stock code:FCRP014
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