Kullman L. 20th century climate warming and tree- limit rise in the southern Scands of Sweden, Ambio, 2001, 30: 72~80.
 Armand, A Sharp and gradual mountain timberlines as a result of species interaction. Photogrammetric Engineering and Remote Sensing, 1992, 58(3): 367~377.
 Rochefort R M, D L Peterson. Temporal and spatial distribution of trees in subalpine meadows of Mt. Rainier National Park, Washington, U.S.A. Arctic and Alpine Research,1996,28(1): 52~59.
 Risser P G. The status of the science examining ecotones. Bioscience, 1995, 45: 318~325.
 Brown J H, J F Gillooly, G B West, V M Savage. The next step in macro- ecology: From general empirical patterns to universal ecological laws. In T M Blackburn and K J Gaston, eds. Macorecology: Concepts and Consequences. Blackwell Science, 2003.
 Odum E P. Fundamentals of ecology (Second edition). Pennsylvania: Saunders W B Company, 1971.
 Anderson J M. Ecology of environmental science- resources and environmental science series. Edward Arnold (Ltd.),1981, 87~95.
 牛文元. 生态环境脆弱带的基础研究. 生态学报, 1989, 9(2):97~105.
 Tranquillini 著,李文华译. 高山林线生理生态. 中国环境农业出版社,1986.
 K"rner Ch. Alpine plant life – functional plant ecology of high mountain ecosystems (2nd edition), Springer- Verlag Berlin Heidelberg, 2003.
 Holtmeier F- K. Mountain timberlines—ecology, patchiness, and dynamics, Advances in Global Change Research, 2003, 14: 369. Kluwer Academic Publishers, Dordrecht, Boston, London.
 Wardle P. Alpine timberlines. In: Ives JD, Barry RG (eds.), Arctic and Alpine Environments. London: Methuen, 1974, 371~402.
 Hustich, IImarl. Ecological concepts and biographical zonation in the North: the need for a generally accepted terminology. Holarctic Ecology, 1979, 2: 208~217.
 Hansen- Bristow K J, Ives J D. Composition, form, and distribution of the forest- alpine tundra ecotone, Indian Peaks, Colorado, USA. Erdkunde, 1985, 39:286~295.
 Korner Ch, Paulsen J. A world- wide study of high altitude treeline temperatures, Journal of Biogeography, 2004, 31, 713~ 732.
 Holtmeier F.- K. Sensitivity and response of northern hemisphere altitudinal and polar treelines to environmental change at landscape and local scales. Global Ecology and Biogeography, 2005, 14:395~410.
 Butler D R. Ecotones in Mountain Environments: Illustrating Sensitive Biogeographical Boundaries with Remotely Sensed Imagery in the Geography Classroom. Geocarto International, 2003, 18(3): 63~72.
 Bekker M F. Positive Feedback Between Tree Establishment and Patterns of Subalpine Forest Advancement, Glacier National Park, Montana, U.S.A , Arctic, Antarctic, and Alpine Research, 2005,37(1):97~107.
 Marr J W. The development and movement of tree islands near the upper. limit of tree growth in the southern Rocky Mountains. Ecology, 1977, 58:1159~1164.
 Malanson G P. Complex responses to global change at alpine treeline. Physical Geography, 2001, 22: 333~342.
 Clausen J. Tree Lines and Germ Plasm- A Study in Evolutionary Limitations. PNAS, 1963, 50: 860~868.
 Wardle P. Engelmann spruce (Picea engelmannii Engel.) at its upper limit on the Front Range, Colorado, Ecology, 1968, 49: 483~494.
 Walsh S J. Spatial and biophysical analysis of alpine vegetation through Landsat TM and SPOT MX/PAN data. Proceedings, American Congress on Surveying and Mapping and American Society for Photogrammetry and Remote Sensing, 1993, 2: 426~437.
 Butler D R, S J Walsh. Influence of snow patterns and snow avalanches on the alpine treeline ecotone. Physical Geography, 1994, 15(2): 181~199.
 Ranson K J, Sun G Kharuk, V I Kovacs K. Assessing tundra- taiga boundary with multi - sensor satellite data. Remote Sensing of Environment, 2004, 93(3):283~295.
 Camarero J J E. Gutiérrez and M.- J. Fortin. Spatial pattern of subalpine forest- alpine grassland ecotones in the Spanish Central Pyrenees. Forest Ecology and Management, 2000, 134: 1~16.
 Camarero J J E. Gutiérrez, Emilia & M.- J. Fortin.. Spatial patterns of plant richness across treeline ecotones in the Pyrenees reveal different locations for richness and tree cover boundaries. Global Ecology & Biogeography,2006,15(2):182~191.
 Malanson G P, Zeng Y. Uncovering spatial feedbacks at alpine treeline using spatial metrics in evolutionary simulations, 7th International Conference on GeoComputation, University of Southampton, Southampton, UK, 2003.
 侯学煜. 论中国各植被区山地植被垂直带谱的特征. 见:中国植物学会三十周年年会论文摘要汇编, 1963,254.
 石培礼, 李文华. 长白山林线交错带形状与木本植物向苔原侵展和林线动态的关系. 生态学报, 2000, 20(4):389~398.
 邓坤枚,邵彬,李飞. 长白山北坡云冷杉林胸径、树高结构及其生长规律的分析. 资源科学,1999, 21 (1):77~84.
 沈泽昊,方精云. 贡嘎山东坡植被垂直带谱的物种多样性格局分析. 植物生态学报, 2001, 25 (6):721~732.
 Kullman L. Recent cooling and reversion of Norway spruce (picea abies.Karst.) In the forest- alpine tundra ecotone of the swindish Scandes. Journal of Biogeography, 1996, 23:843~854.
 Lioyd A H, Fastie C L. Spatial and temporal variability in the growth and climate response of treeline trees in Alaska, Climatic Change, 2002, 52: 481~509.
 Cooper W S. Alpine vegetation in the vicinity of Long' s Peak, Colorado. Botanical Gazette, 1908, 45: 319~337.
 Holm T. Polygonum: Sectio Tovara, Botanical Gazette, 1927,84(1): 1~26.
 Perkins T D, G T. Adams. Rapid freezing induces winter injury symptomatology in red spruce foliage. Tree Physiology, 1995, 15:259~266.
 李文华, 冷允法, 胡涌. 云南横断山区森林植被分布与水热因子相关的定量研究. 见:中国科学院青藏高原综合科学 考察队编.青藏高原研究、横断山考察专集. 昆明: 云南人民出版社,1983, 185~204.
 徐文铎. 中国东北主要植被类型的分布与气候的关系. 植物生态学与地植物学学报, 1986, (4): 254 ~262.
 Van Gardingen P R, J Grace, C E Jeffree. Abrasive damage by wind to the needle surfaces of Picea sitchensis (Bong.) Carr. and Pinus sylvestris L. Plant, Cell and Environment, 1991, 14: 185~193.
 Grace J, James J. Physiology of trees at treeline. In: Alden, J., Mastrantonio, J.L. & Odum, S.(eds) Forest development in cold climates: 105~114.Plenum Press, New work, 1993.
 Asselin H et al. The northern limit of Pinus banksiana Lamb.in Canada: explaining the difference between the eastern and western distributions, Journal of Biogeography, 2003, 30: 1709~1718.
 Walsh S J, Butler D R, Malanson G P, Crews-Meyer K A, Messina J P, Ningchuan Xiao. Mapping, modeling, and visualization of the influences of geomorphic processes on the alpine treeline ecotone, Glacier National Park, MT, USA. Geomorphology, 2003, 53:129~145.
 Cairns D M, Moen J. Herbivory influences tree lines, Journal of Ecology, 2004, 92:1019~1024.
 K#rner Ch. A re- assessment of high elevation treeline positions and their explanation, Oecologia, 1998, 115:445~459.
 Dullinger S, Dirnbuck T, Grabherr G. Modelling climate change- driven treeline shifts: relative effects of temperature increase, dispersal and invisibility, Journal of Ecology, 2004, 92: 241~252.
 Clark J S, Macklin E, Wood L. Stages and spatial scales of recruitment limitation in southern Appalachian forests. Eco-logical Monographs, 1998, 68: 213~235.
 Clark J S, Silman M, Kern R, Macklin E, HilleRisLambers J. Interpreting recruitment limitation in forests. American Journal of Botany, 1999, 86:1~16.
 Mayer H. Gebirgswaldbau Schutzwaldpflege.Gustav Fischer Verlag, Stuttgart, 1976.
 Stevens G. C, Fox J F. The cause of treeline. Annual Review of Ecological Ecosystems, 1971, 22: 171~191.
 Hoch G, Richter A, K"rner Ch. Non- structural carbon compounds in temperate forest trees. Plant, Cell and Environment, 2003, 26:1067~1081.
 Smith W K, Germino MJ, Hancock T E, Johnson D M. Another perspective on altitudinal limits of alpine timberlines. Tree Physiology, 2003, 23:1101~1112.
 Resler, Lynn M. Geomorphic Controls of Spatial Pattern and Process at Alpine Treeline. The Professional Geographer, 2006, 58(2):124~138.
 Alftine, Kathryn Jo. The relationship between tree establishment patterns and positive feedback at alpine treeline. Ph.D. diss., University of Iowa, 2002.
 Alftine K J, Malanson G P. Directional positive feedback and pattern at an alpine tree line. Journal of Vegetation Science, 2004, 15: 3~12.
 Germino M J, Smith W K. Sky exposure, crown architecture, and low- temperature photoinhibition in conifer seedlings at alpine treeline. Plant Cell Environment, 1999, 22:407~415.
 Germino MJ, Smith W K, Resor A C. Conifer seedling distribution and survival in an alpine treeline ecotone. Plant Ecology, 2002, 162: 157~168.
 Kullman L. Structural change in a subalpine birth- woodland in north Sweden during the past century. Journal of Biogeography, 1991, 18: 53~62.
 Heikkinen R K, Kalliola R J. Vegetation types and map of the Kevo nature reserve, northernmost. Finland. Kevo Notes, 1989, 8: 1~39.
 赵东升, 李双成, 吴绍洪. 青藏高原的气候植被模型研究进展. 地理科学进展, 2006, 25(4):68~78.
 Butler D R, Malanson G P, Wilkerson F D, Schmid G L. Late Holocene sturzstroms in Glacier National Park, Montana, U. S.A. In: Kalvoda J., Rosenfeld, C. (Eds.), Geomorphological Hazards in High Mountain Areas. Kluwer Academic Publishing, Dordrecht, The Netherlands, 1998, 149~166.
 Cairns D M. Modelling controls on pattern at alpine treeline. Geographical and Environmental Modelling, 1997, (2):37~56.
 Cairns D M, Malanson G P. Examination of the carbon balance hypothesis of alpine treeline location, Glacier National Park, Montana. Physical Geography, 1997, 18:125~145.
 Cairns D M, Modeling controls on Pattern at alpine Treeline, Geographical&Environmental Modelling, 1998, 2(1):43~63.
 Malanson G P. Comment on modeling ecological response to climatic change, Climatic Change, 1993, 23(2): 95~109.
 Malanson G P, Butler D R, Cairns D M, Welsh T E, Resler L M. Variability in a soil depth indicator in alpine tundra. Catena, 2002, 49: 203~215.
 Resler Lynn M, Mark A. Fonstad, and David R. Butler. Mapping the alpine treeline ecotone with digital aerial photography and textural analysis, Geocarto International, 2003, 19(1): 37~44.
 Resler, Lynn M, David R. Butler, and George P. Malanson. Topographic shelter and conifer establishment and mortality in an alpine environment, Glacier National Park, Montana. Physical Geography, 2005, 26 (2): 112~25.
 Walsh S J, Butler D R, Allen T R, Malanson G.P. Influence of snow patterns and snow avalanches and the alpine treeline ecotone. Journal of Vegetation Science, 1994, 5:657~672.
 Walsh S J, Butler D R, Brown D G, Bian L. Form and pattern of alpine environments: an integrative approach to spatial analysis and modelling in Glacier National Park, USA. In: Heywood D I, Price M F. (Eds.), Mountain Environments and GIS. Taylor and Francis, London, 1994.
 Walsh S J, Weiss D J, Butler D R, Malanson G P. An assessment of snow avalanche paths and forest dynamics using Ikonos satellite data. Geocarto International, 2004, 19: 85~94.
 Beck, Pieter SA; Kalmbach, Ellen; Joly, Daniel; Stien, Audun; Nilsen, Lennart. Modelling local distribution of an arctic