Choice of Sitka spruce seed origins for use in British forests
Research Report (incl. Bulletins and Technical Papers)
Sitka spruce is one of the most important and widely planted conifer species in Great Britain today. It plays a key role in the production of timber and is also important for other multipurpose forestry uses. Due to the extensive latitudinal distribution of its natural range along the Pacific Northwest coastline, it was necessary to establish seed origin studies to identify the most well-adapted sources for planting in Great Britain. This Bulletin summarises the results emanating from over 70 years of research. The growth and production data have been used to produce a series of suitability maps which can assist forest managers in their decisions on the choice of seed origins for planting. The Bulletin is recommended reading for forest managers, advisors and researchers alike – as well readers interested in the development and use of species from the Pacific Northwest used for forestry in Great Britain.