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Themes: Measuring Modelling And Forecasting

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174 Search Results

  • Publications
    Forestry publication document

    [Archive] Forest mensuration handbook
    Lead Author: 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 […]
  • Publications
    Forestry publication document

    [Archive] Production and use of tubed seedlings
    Lead Author: Alan J. Low
    The production and use of tubed conifer seedlings in Britain have been studied between 1968 and 1973 in an extensive research and development programme based initially on Canadian practice. Results from the many nursery and forest experiments are described and form the basis for practical recommendations (see Chapter 6) on raising and planting tubed seedlings.
  • Publications
    Forestry publication document

    [Archive] Influence of spacing on crop characteristics & yield
    Lead Author: G.J. Hamilton
    The analysis described in this paper was designed to provide quantitative information on the effects of spacing on yield and the components of yield. It is preceded by a brief review of the more important features of the history of these spacing experiments.
  • Publications
    Forestry publication document

    [Archive] Volume tables for smallwood and round pitwood
    Lead Author: G.J. Hamilton
    The tables contained in this booklet are designed to provide estimates of volume from length and top diameter measurements. The length and top diameter specifications of pitwood are unique, and require tables specially designed to cater for these specifications. The smallwood tables provide volumes of small diameter roundwood, other than pitwood, where conventional length and […]
  • Publications
    Forestry publication document

    [Archive] Timber measurement for standing sales using tariff tables
    Lead Author: G.J. Hamilton
    The methods of measurement described in this Booklet are intended to be used primarily in connection with the sale of standing timber. The procedures described involve the use of tariff tables which have been used for this purpose by the Forestry Commission since 1956. The tariff system of measurement has subsequently proved efficient and reliable, […]
  • Publications
    Forestry publication document

    [Archive] Thinning control in British woodlands (metric)
    Lead Author: R.T. Bradley
    This booklet provides a simple guide to the volume to be removed when thinning pure even-aged stands, or with suitable modifications, when thinning woods of mixed species and/or of uneven age. It replaces Booklet 17, the imperial version, from 1966.
  • Publications
    Forestry publication document

    [Archive] Forest management tables (metric)
    Lead Author: G.J. Hamilton
    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: The Yield Class System of Classifying Growth Potential Thinning Control Production Forecasting Yield Tables This publication is a revised, metric edition of Forestry Commission Booklet 16, […]
  • Publications
    Forestry publication document

    [Archive] The plan of operations (metric)
    Lead Author: Forestry Commission
    With the general introduction of metric measurements in the dedicated and approved woodlands schemes with effect from October, 1971, the opportunity has been taken to re-examine the form of the standard Plan of Operations. This study has been carried out by the Forestry Commission in close consultation with the Timber Growers Organisation and the Scottish […]
  • Publications
    Forestry publication document

    [Archive] Metric conversion tables and factors for forestry
    Lead Author: J.E. Everard
    This Booklet builds on the information provided in Booklet 5 Conversion tables for research workers in forestry and agriculture. Additional tables have been added, while other tables of limited use have been removed. Numerous conversion factors have been included to enable conversions to be made for less frequently used units.
  • Publications
    Forestry publication document

    [Archive] Metric top diameter sawlog tables
    Lead Author: Forestry Commission
    This Booklet contains tables which give volumes of softwood sawlogs for given lengths and top diameters in metric units.
  • Publications
    Forestry publication document

    [Archive] Metric volume ready reckoner for round timber
    Lead Author: Forestry Commission
    These tables are the metric equivalent of the old established Hoppus tables and are used in exactly the same way. Mid diameters in centimetres are used instead of mid quarter girth in inches, lengths are expressed in metres rather than in feet, and volumes are given in cubic metres.
  • Publications
    Forestry publication document

    [Archive] Timber! Your growing investment
    Lead Author: Herbert L. Edlin
    This Booklet contains a short account of the Commission’s achievements in the last fifty years, from 1919 until 1969.