Acknowledgements
We would like to thank Jim Agee and Bob Keane
for reviews of earlier versions of the manuscript.
Jim McCarter provided growth model support, helped
to re®ne ideas, and assisted with Microsoft Access
programming. Jeff Moffett provided GIS support.
This research is part of a cooperative project
between the Silviculture Laboratory (C.D. Oliver,
Principle Investigator), College of Forest Resources,
University of Washington and the U.S.D.A. Forest
Service, Paci®c Northwest Research Station. The
authors are grateful to the Washington State
Department of Natural Resources for the use of
their inventory and G.I.S. data in the analysis
demonstrated.