Patterns of Northern Red Oak Growth and Mortality in Western Pennsylvania

Abstract

This study evaluates the extent and cause(s) of an observed decline of northern red oak (Quercus rubra L.) on a 50-km portion of a major anticlinal ridge in west central Pennsylvania, and illustrates an approach for evaluating tree declines. Long term annual observations of forest health revealed the onset of crown dieback in 1983, chiefly among red oak… (More)

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