Ecology of the Rocky Mountains

Quasipaa spinosa is associated with rocky streams in evergreen forests and open countryside on hills and mountains. Its altitude range is about 200—1,500米（660—4

North America, Ecology and Management. New York: HarperCollins. 2002. ISBN 1-58834-018-X.  引文使用过时参数coauthors (帮助) Elk. Great Smoky Mountains. National Park

（页面存档备份，存于互联网档案馆） "Utah split on wolf protection status" – Standard Examiner （页面存档备份，存于互联网档案馆） Gray Wolves in the Northern Rocky Mountains 美國魚類及野生動物管理局

numbers, and site characteristics of spotted owls and barred owls in the Cascade Mountains of Washington (PDF). Journal of Raptor Research. 2003, 37 (4):

in the Rincon Mountains of Saguaro National Monument, Arizona. Technical Report NPS/WRUA/NRTR-92/06. Tucson, AZ: The University of Arizona, School of Renewable