References
- Benedict , J..B. 1973 . Chronology of cirque glaciation, Colorado Front Range . Quaternary Research , 3 : 584 – 599 .
- Ehleringer , J..R. and Miller , P..C. 1975 . Water relations of selected plant species in the alpine tundra, Colorado . Ecology , 56 : 370 – 380 .
- Elkington , T..T. 1971 . Biological flora of the British Isles: . Dryas octopetala L Journal of Ecology , 59 : 887 – 905 .
- Greenland , D. and Daly , C. 1985 . Microclimate data from the Saddle, Niwot Ridge, East Slope, Front Range, Colorado-1984 . University of Colorado Long-Term Ecological Research Data Report , 85/3 : 29
- Hansen-Bristow , K..J. and Ives , J..D. 1984 . Changes in the forest-alpine tundra ecotone: Colorado Front Range . Physical Geography , 5 : 186 – 197 .
- Holch , A..E. , Hertel , E..W. , Oakes , W. and Whitwell , H..H. 1941 . Root habits of certain plants of the foothill and alpine belts of Rocky Mountain National Park . Ecological Monographs , 11 : 329 – 345 .
- Isard , S..A. 1986a . Factors influencing soil moisture and plant community distribution on Niwot Ridge, Front Range, Colorado, U.S.A. . Arctic and Alpine Research , 18 : 83 – 96 .
- Isard , S..A. 1986b . Evaluation of models for predicting insolation on slopes within the Colorado alpine tundra . Solar Energy , 36 : 559 – 564 .
- Komácirková , V. 1979 . “ Alpine Vegetation of the Indian Peaks Area, Front Range, Colorado Rocky Mountains ” . In Flora et Vegetatio Mundi Edited by: Tuxen , R. 1 – 591 . Vaduz : J. Cramer, .
- Komácirková , V. and Webber , P..J. 1978 . An alpine vegetation map of Niwot Ridge, Colorado . Arctic and Alpine Research , 10 : 1 – 29 .
- Marr , J..W. 1961 . Ecosystems of the east slope of the Front Range in Colorado . University of Colorado Studies, Series in Biology , 8
- Mooney , H..A. , Hillier , R..D. and Billings , W..D. 1965 . Transpiration rates of alpine plants in the Sierra Nevada of California . The American Midland Naturalist , 74 : 374 – 386 .
- Oberbauer , S..F. and Billings , W..D. 1981 . Drought tolerance and water use by plants along an alpine topographic gradient . Oecologia , 50 : 325 – 331 .
- Oke , T..R. 1974 . Boundary Layer Climates New York : Methuen .
- Olyphant , G..A. 1984 . Insolation topoclimates and potential ablation in alpine snow accumulation basins: Front Range, Colorado . Water Resources Research , 20 : 491 – 498 .
- Osburn Jr. , W..S. 1958 . Ecology of winter snow-free areas of the alpine tundra of Niwot Ridge, Boulder County, Colorado Boulder : University of Colorado .
- Pollak , O. 1986 . “ Seedling mortality ” . In Bistorta bistortoides Niwot Ridge, Colorado : A case of moisture dependent population regulation? .
- Rosenberg , N..J. , Blad , B..L. and Verma , S..B. 1983 . Microclimate: The Biological Environment New York : John Wiley & Sons .
- Scott , D. and Billings , W..D. 1964 . Effects of environmental factors on standing crop and productivity of an alpine tundra . Ecological Monographs , 34 : 243 – 270 .