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Old Growth

By studying old-growth forests for decades, Andrews scientists discovered that these systems with their large, old trees and specialized plants and animals that rely on them are vital and unique components of a healthy landscape. This understanding has transformed the way that old-growth forests are conserved and managed today.

Spies, T.A. and S.L. Duncan, eds. 2009. Old growth in a new world: A Pacific Northwest icon reexamined. Island Press. 344 p.
Franklin, J.F., T.A. Spies, R. Van Pelt, A. Carey, D. Thornburgh, D.R. Berg, D. Lindenmayer, M. Harmon, W. Keeton, and D.C. Shaw. 2002. Disturbances and structural development of natural forest ecosystems with silvicultural implications, using Douglas-fir forests as an example. Forest Ecology and Management 155:309-423.
van Mantgem, P.J., N. L. Stephenson, J. C. Byrne L. D. Daniels, J F. Franklin, P. Z. Fulé, M. E. Harmon, A. J. Larson, J.M. Smith, A.H. Taylor and T.T. Veblen. 2009. Widespread Increase of Tree Mortality Rates in the Western United States. Science 323, 521-524.
Thomas A. Spies
Old growth cedar on McRae Creek, H.J. Andrews Experimental Forest
Al Levno



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