Mountain Vegetation - Mountain Geography: Physical and Human Dimensions - page 379

Callaway, R. M. 1998. Competition and facilitation on elevation gradients in subalpine
forests of the northern Rocky Mountains, USA. Oikos, 82: 561-573.
Callaway, R. M. 2007. Positive Interactions and Interdependence in Plant Communities.
Dordrecht: Springer.
Callaway, R. M., Brooker, R. W., Choler, P., Klkvidze, Z., Lortie, C. J., Michalet, R., Paolini,
L., Pugnaire, F. I., Newingham, B., Aschehoug, E. T., Armas, C., Klkodze, D., and
Cook, B. J. 2002. Positive interactions among alpine plants increase with stress.
Nature 471: 845-848.
Canaday B. B., and Fonda, R. W. 1974. The influence of subalpine snowbanks on veget-
ation pattern, production, and phenology. Bulletin of the Torrey Botanical Club 101:
340-350.
Carlquist, S. 1974. Island Biology. New York: Columbia University Press.
Carpenter, F. L. 1976. Ecology and Evolution of an Andean Hummingbird (Oreotrochilus
estella). Berkeley: University of California Press.
Cernusca, A. 1976. Energie- und Wasserhaushalt eines alpine Zwergstrauchbestandes
während einer Föhnperiode. Archiv für Meteorologie, Geophysik und Bioklimatolo-
gie, B24: 219-241.
Chabot, B. F., and Billings, W. D. 1972. Origins and ecology of the Sierran alpine flora
and vegetation. Ecological Monographs 42: 163-199.
Choler, P., Michalet, R., and Callaway, R. M. 2001. Facilitation and competition on gradi-
ents in alpine communities. Ecology 82: 3295-3308.
Clausen, J. 1963. Treelines and germ plasma: A study in evolutionary limitations. Pro-
ceedings of the National Academy of Science 50: 860-868.
Comes, H. P., and Kadereit, J. W. 2003. Spatial and temporal patterns in the evolution of
the flora of the European Alpine System. Taxon 52: 451-462.
Cooke, W. B. 1955. Subalpine fungi and snowbanks. Ecology 36: 124-130.
Coop, J. D., and Schoettle, A. W. 2009. Regeneration of Rocky Mountain bristlecone pine
( Pinus aristata ) and limber pine ( Pinus flexilis) ) three decades after stand-replacing
fires. Forest Ecology and Management 257: 893-903.
Cooper, D. J. 1989. Geographical and ecological relationships of the arctic-alpine vas-
cular flora and vegetation, Arrigetch Peaks region, central Brooks Range, Alaska.
Journal of Biogeography 16: 279-295.
Costin, A. B. 1957. The high mountain vegetation of Australia. Australian Journal of
Botany 5: 173-189.
Costin, A. B. 1959. Vegetation in the high mountains relative to landuse. In A. Keast, R.
L. Crocker, and C. S. Christian, eds., 1959. Biogeography and Ecology in Australia
(pp. 427-451). Monographiae Biologicae 8. The Hague: Junk.
Costin, A. B. 1967. Alpine ecosystems of the Australasian Region. In H. E. Wright and W.
H. Osburn, eds., Arctic and Alpine Environments (pp. 55-58). Bloomington: Indiana
University Press.
Covington, W. W., and Moore, M. M. 1994. Southwestern ponderosa forest structure:
Changes since Euro-American settlement. Journal of Forestry 92: 39-47.