© 1992 by Institute of Chartered Foresters
Old-growth Conservation within British Upland Conifer Plantations

Graduate School of Design, Harvard University Cambridge, Massachusetts 02138, USA
Efforts to improve Britain's upland conifer plantations as wildlife habitats have largely concentrated on retaining and creating habitats on unplanted land. Here we argue that, in addition, it would be beneficial to assign 1525 per cent of the plantations to long rotations containing small permanently uncut cores, while shortening the rotations of the plantations not assigned to long rotations. This should allow significant old-growth habitats to be created, and increase the extent of temporary open space, apparently without a disproportionate sacrifice of wood production. We consider the ideal distribution and treatment of long-rotation stands, and illustrate how these ideals must be modified in practice when they are implemented in three representative forests.
Received 7 December 1990.
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