Pinus contorta as a forest tree in Ireland.

Abstract

From the point of view of artificially regenerating exposed infertile upland - heaths and moors Pinus contorta is the most valuable species, either exotic or indigenous, in national reafforestation at present. It was introduced together with Picea sitchensis and Abies nobilis into England in the year 1831 by David Douglas who was acting as collector for the Horticultural Society of London from 1829 - 1832 but it did not make its appearance in Irish State Forests until omparatively recent years-not before 1922 and perhaps as much as 3 to 5 years later...