THE POINT CONTACT METHOD AS A THREE-DIMENSIONAL MEASURE OF GROUND VEGETATION

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Abstract
A measure of the quantity of vegetation competing with yellow birch seedlings on quarter-milacre study plots was needed to provide a comprehensive picture of seedling development. The point-contact method of sampling vegetation was chosen because, with modifications to the technique, the structure, distribution and composition could be measured to provide data on the competing vegetation. Basically, the method involves dropping a rod (point) vertically through the vegetation and recording the plants touched (contacts) by the rod at a large number of these points. Features of the method, considerations in application, and the technique developed for this particular study are discussed.

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