An overview of Coillte's forest resource inventory and timber production forecasting system.

  • Liam Quinn Coillte Teo., Leeson Lane, Dublin 2.
Keywords: Timber production, forest inventory, thinning, crop rotation, forecasting system, Thinning and Rotation Classification.


Coillte was established in 1989 as a state-owned commercial forestry company. The forest asset value of its estate is over £800 million (1994). Coillte has over 1,400 employees (both industrial and non-industrial). Turnover increased from £42 million in 1993 to £57 million in 1994. Net profit in 1993 was £1.7 million, and this is expected to increase substantially in 1994. The company planted over 10,000 ha in 1994, and sold over 2 million m3 of timber. The current (1994) size of Coillte's estate is 415,000 ha, of which 390,000 ha are planted. The average yield class for conifer species is 14.6 m3/ha/yr. The estate is mainly Sitka spruce (59%) and lodgepole pine (23%). Other main conifer species are Scots pine, Norway spruce, Japanese larch and Douglas fir. Broadleaves make up only 3% of the estate - most broadleaf areas were transferred to other state agencies when Coillte was established. It is company policy to increase the level of broadleaf planting, subject to suitable land becoming available...
How to Cite
Quinn, L. (1996) “An overview of Coillte’s forest resource inventory and timber production forecasting system.”, Irish Forestry. Available at: (Accessed: 24September2023).
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