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After the FiresThe Ecology of Change in Yellowstone National Park$
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Linda L. Wallace

Print publication date: 2004

Print ISBN-13: 9780300100488

Published to Yale Scholarship Online: October 2013

DOI: 10.12987/yale/9780300100488.001.0001

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Effects of Wildfire on Growth of Cutthroat Trout in Yellowstone Lake

Effects of Wildfire on Growth of Cutthroat Trout in Yellowstone Lake

(p.143) Chapter 7 Effects of Wildfire on Growth of Cutthroat Trout in Yellowstone Lake
After the Fires
Yale University Press

This chapter discusses the effects of wildfire on the growth of cutthroat trout in Yellowstone Lake. Trends in year-to-year variation in growth for individual age groups and 25 mm length groups of cutthroat trout in Yellowstone Lake were examined in an attempt to detect shifts in growth patterns associated with the fires. Approximately 100,000 ha of the Yellowstone Lake watershed burned between early July and late August 1988 and the majority of area burned was in the southern part of the drainage, including the Yellowstone River, the largest tributary to the lake. Pelican Creek, the second largest tributary to the lake, was the only major tributary entering the lake from the north that was affected by the fire. In order to aid interpretation of trends through time, relative growth rates of cutthroat trout in individual age and length groups were evaluated using linear regression.

Keywords:   Yellowstone Lake, wildfire, cutthroat trout, watershed, Pelican Creek

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