Issue · 1990
Vol.40, Iss. 1
13 articles · All issues →
ArticlesComparative suitability of local wood species for tool handles
G. Stoehr, K. Brunner, J. A. Khan, I. Mahmood
This study compares the results of tests on wooden tool handles made from 8 local and two imported species of hickory and ash, in terms of their breaking strength and stiffness. Of the 8 local timber species, white bakain was found to give best overall perform…
25 May 2024- Articles
Study on natural regeneration of Chir pine (Pinus roxburghii Roxb.)
M. Khan, M. Kleine
It is commonly known that factors like grazing and fire are the main causes for slow and unsatisfactory establishment of natural regeneration in many Chir pine forests, especially in those located near highly populated villages. In order to study the effect of…
25 May 2024 - Articles
Forest inventory design for afforestation areas
M. Kleine
This paper deals with a two stage sampling design for afforestation inventories which was recently adopted for the evaluation of large plantation areas in the North-West Frontier Province. Major considerations for designing such an inventory are elaborated and…
25 May 2024 - Articles
Fuel collection in the coniferous forests of Hazara Division, NWFP
K. M. Siddiqui M. Ayaz, A. Jah
Coniferous forests of Hazara Civil Division in the vicinity of habitations are under a very high pressure of fuel wood collection by the local people. It is estimated that a total of 1,597.3 tonnes of fuel and fuel wood is collected from the reserved forest of…
25 May 2024 - Articles
Message from professor Dr. Hans Loeffler, Dean, Faculty of Forestry, Munich Unversity
Hans Leoffler Dr
In 1979, the German Agency for Technical Cooperation (GTZ) requested the Faculty of Forestry, University of Munich, to participate in the evaluation of a project entitled Development of training and research facilities in Forest Products Engineering and Loggin…
25 May 2024 - Articles
Computer-aided processing of data for managerial and operational activities in forestry
M Ayaz, M.A. Cheema, H. Duerrstein, M. Kleine
Purposeful research and sound planning activities in forestry should be based on adequate data recorded in the field. Normally this data is of large quantity and its manual processing was always a time consuming and tedious task. Consequently, the results obta…
25 May 2024 - Articles
Timber harvesting tools and work stress in irrigated forest plantations
M. Ayaz
A study was carried out in Changa Manga forest plantation in 1984-85 for the comparison of conventional and improved tools in timber harvesting on the basis of technical labour productivity under an equal and maximum work stress. Result of the study reveal tha…
25 May 2024 - Articles
Efficiency and cost of timber transportation by Gattu
M. Ayaz
Results of a study on the travel speed and cost of timber transportation by gattu (small truck) in Siran Forest Division, N.W.F.P. show that the average travel speed of loaded and empty gattu in the forest roads is 5.6 and 7.9 km/hour, respectively. A gattu ge…
25 May 2024 - Articles
Effect of Age, Locality and Sampling Position on Chemical Composition of Eucalyptus camaldulensis Dehn Wood
K. M. Suleman, N. Kausar
Variability in wood chemical composition with age, locality and sampling position of Eucalyptus camaldulensis wood grown at Khipro and Chichawatni were studied. No variation in chemical composition could be found with respect to position of sample in the tree.…
25 May 2024 - Articles
Cement bonded particleboard from Eucalyptus camaldulensis wood
S. M. Yasin, T. A. Qureshi
For determining the suitability of Eucalyptus camaldulensis wood for the manufacture of cement bonded particleboard, panels were made from the flakes before and after extraction with cold and hot water separately and by mixing Portland cement at the rate of 66…
25 May 2024 - Articles
Effect of open air storage on the physical degradation of wood
J. A. Khan
This paper presents the results of the study to assess the degree of degradation caused to wood during open air storage at Changa Manga forest plantation. Four different species viz ; Shisham (Dalbergia sissoo) , Mulberry (Morus alba) , poplar (Populous spp.)…
25 May 2024 - Articles
Thesis Research
M. Ayaz, J. A. Khan, M. Kleine, H. Duerrstein
In order to support the training of research and teaching staff at the Pakistan Forest Institute (PFI), the German Project provided scholarships for training abroad. Besides advanced training in Forest Management and Wood Technology for a period of about one y…
25 May 2024 - Articles
Pakistan-German Cooperation in Forestry Research and Education at the Pakistan Forest Institute, 1981-1990
K. M. Siddiqui
Pakistan inherited a very small forest area (4.5%) in 1947. With the result that, over the years, a significant part of the country's requirement of timber and wood products had to be imported. At the same time, the pressure on the indigenous forest resources…
25 May 2024