Stocking levels and height growth rates of noble fir and
associated species were measured on 51 clearcut study areas within
the Pacific silver fir zone of the Oregon and Washington Cascades.
Clearcut study areas were approximately 20 years old and had either
planted noble fir or natural regeneration of noble...
The 1980 eruptions of Mount St. Helens damaged or destroyed vegetation on more than 66,100 hectares (270,000 acres) within the Gifford Pinchot National Forest. The effects of the eruption on planting sites and seedling performance were unknown. Regeneration of "cut over" lands near Mount St. Helens has historically been limited...
Corydalis aquae-gelidae is a large herbaceous perennial
in the Fumariaceae that has high habitat specificity. It is
endemic to the western Cascade Range of Oregon and
Washington, almost entirely on the Mt. Hood and Gifford
Pinchot National Forests. It is a federal C2 candidate
under the Endangered Species Act and...
Published July 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog