Arno SF and Hammerly RP (1990) Timberline: Mountain and Arctic
Forest Frontiers. Seattle, WA: The Mountaineers. Callaway RM (1995) Positive interactions among plants. Botanical
Review 61: 306-349. Choler P, Michalet R, and Callaway RM (2001) Facilitation and competition on gradients in alpine plant communities. Ecology 82: 3295-3308. Germino MJ, Smith WK, and Resor C (2002) Conifer seedling distribution and survival in an alpine-treeline ecotone. Plant Ecology 162: 157-168.
Grace J, Berniger F, and Nagy L (2002) Impacts of climate change on the treeline. Annals of Botany 90: 537-544. Holtmeier FK (1994) Ecological aspects of climatically-caused timberline fluctuations: Review and outlook. In: Beniston M (ed.) Mountain Environments in Changing Climates, pp. 223-233. London: Routledge. Innes JL (1991) High altitude and high latitude tree growth in relation to past, present and future climate change. Holocene 1: 168-173. Jobbagy EG and Jackson RB (2000) Global controls of forest line elevation in the Northern and Southern hemispheres. Global Ecology and Biogeography 9: 253-268. Körner C (1998) A re-assessment of high elevation treeline positions and their explanation. Oecologia 115: 445-459. Smith WK, Germino MJ, HancockTE, and Johnson DM (2003) Another perspective on the altitudinal limits of alpine timberline. Tree Physiology 23: 1101-1112. Smith WK and Knapp AK (1985) Montane forests. In: Chabot BF and Mooney HA (eds.) The Physiological Ecology of North American Plant Communities, pp. 95-126. London: Chapman and Hall. Stevens GC and Fox JF (1991) The cause of treeline. Annual Review of
Ecology and Systematics 22: 177-191. Sveinbjornsson B (2000) North American and European treelines: External forces and internal processes controlling position. AMBIO 29: 388-395.
Tranquillini W (1979) Physiological Ecology of the Alpine Timberline.New
York: Springer. Walter H (1973) Vegetation of the Earth in Relation to
Climate and Ecophysiological Conditions. London: English University Press.
Wardle P (1974) Alpine timberlines. In: Ivey JD and Barry R (eds.) Artic and Alpine Environment, pp. 371-402. London: Meuthuen Publishers.
Was this article helpful?
You Might Start Missing Your Termites After Kickin'em Out. After All, They Have Been Your Roommates For Quite A While. Enraged With How The Termites Have Eaten Up Your Antique Furniture? Can't Wait To Have Them Exterminated Completely From The Face Of The Earth? Fret Not. We Will Tell You How To Get Rid Of Them From Your House At Least. If Not From The Face The Earth.