Modeling the impact of gypsy moth defoliation in individual tree mortality and basal area growth of northern hardwoods of central Pennsylvania
Data for this study were collected by the US Forest Service and the Pennsylvania Bureau of Forestry on nearly 600 plots in central Pennsylvania. Tree and stand characteristics recorded between 1978 and 1985 include estimates of percent defoliation on individual trees. Logistic regression using maxim...
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/43380 http://scholar.lib.vt.edu/theses/available/etd-06222010-020052/ |