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Abstract

The third year of five on this study has been completed. This study is to determine range condition classes on a grazing allotment basis of lands grazed by domestic livestock in the Jackson Hole area of Wyoming. The gathering of data aims to correlate the vegetation condition classes with forage yield studies, with water infiltration studies, and other types of management practice. Much of the data gathered is as yet fragmentary and will take time to complete. However, most of the ranges in Teton County have had at least a preliminary survey. Interesting relict areas were found on lakes in Yellowstone National Park. Particular attention this summer was paid to the distribution of various species of Danthonia. These studies are being correlated with studies of aspen, wheatgrass, and Idaho fescue, finished in other years. Project Number 85.

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