This publication is a revision of Bulletin 3, ‘Rate of Growth of Conifers in the British Isles’. In this revised work the original tables for European larch, Scots pine and Norway spruce have been retained unaltered, while complete yield tables for Douglas fir and Corsican pine have been added. Further, a revised preliminary yield table […]
This Bulletin discusses the importance of nursery practice and the current methods employed. Only coniferous species are dealt with; broadleaved trees occupy a relatively small area in the new plantations. The bulletin shows that important improvements can be obtained by attention to tilth conditions (largely governed by the time of sowing), by treatment of the […]
This Bulletin discusses beetles which attack timber. They belong to various families of the order Coleoptera of which four groups may be recognised – longicom beetles (Cerambycidae), pin-hole borers (Scolytidae and Platypodidae), powder-post beetles (Bostrychidae and Lyctidae) and furniture beetles (Anobiidae). The objective of this bulletin is to describe the insects and the damage done […]
This Bulletin deals with bark-beetles, a group of insects which is closely connected with forestry practice. It is the outcome of several years’ work and of first-hand study of the beetles both in the laboratory and in the field. The purpose of the Bulletin is to give an account of those bark-beetles which occur in […]
This Bulletin provides information on the life-cycle of the silver fir chermes in Britain, as well as information on the relationship between the insect and its host tree, the silver fir, to ascertain how far the chermes was responsible for the death of the tree. The Bulletin also presents certain information collected by the author […]
The fungus phomopsis pseudotsugce, which has from time to time been known under different names, has a wide distribution in Britain and also occurs on the continent of Europe. It may attack both the green and the blue Douglas firs, the European and Japanese larches and abies grandis among the silver firs. It is possible […]
This bulletin embodies the results of an investigation into the life history of Chermes (Gillettea) cooleyi Gillette, an American species of the family Chermesidae, which has made its appearance upon the Douglas fir in this country. The insect Chermes cooleyi lives partly on the Douglas fir and partly on the Sitka spruce. It is not […]
A survey for the collection of statistics as to the rate of growth and production of timber was begun in the summer of 1917, at a time when the large demands for timber required for military purposes and the mining industry were being met mainly from British woods. Extensive fellings were in progress in all […]
A survey was started in May 1919, by the Interim Forest Authority, to ascertain the forest insect conditions in the British Isles, with special reference to felled areas and recently formed plantations. The main object of the survey was to determine the location, extent, and nature of the chief forest insect outbreaks and to decide […]
This Bulletin discusses the procedure to follow to undertake an assessment of the silvicultural possibilities of the woodlands and uncultivated lands in Britain. Two factors involved in any such assessment: (a) The quantity of timber, and (b) The quality of timber produced, under given conditions. This Bulletin deals chiefly with the quantity of timber produced.
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