Predictive models of whitebark pine mortality from mountain pine ...

510 D.L. Perkins, D.W. Roberts / Forest Ecology and Management 174 (2003) 495–510
Steele, R.S., Cooper, V., Ondov, D.M., Roberts, D.W., Pfister, R.D.,
1983. Forest habitat types of eastern Idaho–western Wyoming.
USDA Forest Service General Technical Report INT-144.
USDA, Ogden, UT, p. 122.
Stevens, R.E., McCambridge, F.M., Edminster, C.B., 1980. Risk
rating guide for mountain pine beetle in Black Hills ponderosa
pine. USDA Forest Service Research Note RM-385. USDA,
Ogden, UT.
Tomback, D.F., 1982. Dispersal of whitebark pine seeds by Clark’s
Nutcracker: a mutualism hypothesis. J. Anim. Ecol. 51, 451–467.
Tomback, D.F., Hoffman, L.A., Sund, S.K., 1990. Coevolution of
whitebark pine and nutcrackers: implications for forest
regeneration. In: Schmidt, W.C., MacDonald, K.J. (Eds.),
Proceedings of the Symposium on Whitebark Pine Ecosystems:
Ecology and Management of a High-Mountain Resource,
Bozeman, MT, USA, 29–31 March 1989. USDA Forest Service
General Technical Report INT-270. USDA, Ogden, UT,
pp. 118–129.
Tomback, D.F., Arno, S.F., Keane, R.E., 2001. Whitebark Pine
Communities: Ecology and Restoration. Island Press, Washington,
DC, p. 440.
Venables, W.N., Ripley, B.D., 1999. Modern Applied Statistics
with S-PLUS. Springer, New York, p. 501.
Whittaker, R.H., 1975. Communities and Ecosystems. Macmillan,
New York, p. 385.
Williams, P.L., 1961. Glacial Geology of Stanley Basin, Pamphlet
No. 123. State of Idaho, Idaho Bureau of Mines and Geology,
Moscow, Idaho.
Wolfram, S., 1996. The Mathematica Book. Wolfram Media/
Cambridge University Press, Cambridge, p. 1403.
Yee, T.W., Mitchell, N.D., 1991. Generalized additive models in
plant ecology. J. Veg. Sci. 2, 587–602.
Yoda, K., Kira, T., Ogawa, H., Hozumi, K., 1963. Intraspecific
competition among higher plants. II. Self-thinning in overcrowded
pure stands under cultivated and natural conditions. J.
Biol. Osaka City Univ. 14, 107–129.