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references

  • Bell, K. L. & Bliss, L. C.. (1978). Root growth in a polar semi-desert environment. Canadian Journal of Botany 56, 24702490.
  • Bloom, A. J., Chapin, F. S. III & Mooney, H. A.. (1985). Resource limitation in plants – an economic analogy. Annual Review of Ecology and Systematics 16, 363392.
  • Callaghan, T. V. & Emanuelsson, U.. (1985). Population structure and processes of tundra plants and vegetation. In: The Population Structure of Vegetation (Ed. by J.Whit), pp. 399439. Junk, Dordrecht .
  • Callaghan, T. V., Headley, A. D. & Lee, J. A.. (1991). Root function related to the morphology, life history and ecology of tundra plants. In: Plant Root Systems: Their Effect on Ecosystem Composition and Structure (Ed. by D.Atkinson), pp. 311340. Blackwell, Oxford .
  • Commandeur, P. R. & Pyles, M. R.. (1991). Modulus of elasticity and tensile strength of Douglas-fir roots. Canadian Journal of Forest Research 21, 4852.
  • Ennos, A. R.. (1989). The mechanisms of anchorage in seedlings of sunflower, Helianthus annuus L. New Phytologist 113, 185192.
  • Ennos, A. R.. (1990). The anchorage of Leek seedlings: the effect of root length and soil strength. Annals of Botany 65, 409416.
  • Fahey, B. D.. (1979). Frost heaving of soils at two locations in southern Ontario, Canada. Geoderma 22, 119126.
  • Fitter, A. H. & Ennos, A. R.. (1989). Architectural constraints to root system function. Aspects of Applied Biology 22, 1522.
  • French, H. M.. (1983). The Periglacial Environment. 2nd edn. Longmans, London .
  • French, H. M.. (1987). Periglacial geomorphology in North America: current research and future trends. Ecological Bulletins 38, 516.
  • Grime, J. P.. (1977). Evidence for the existence of three primary strategies in plants and its relevance to ecological and evolutionary theory. American Naturalist 111, 11691194.
  • Grime, J. P.. (1979). Plant Strategies and Vegetation Processes. John Wiley and Sons, Chichester .
  • James, P. A.. (1971). The measurement of frost-heave in the field. British Geomorphological Research Group Technical Bulletin 8, Geoabstracts, Norwich , U.K.
  • Jonasson, S.. (1981). Plant communities and species distribution of low alpine Betula nana heaths in northernmost Sweden. Vegetatio 44, 5164.
  • Jonasson, S.. (1986). Influence of frost heaving on soil chemistry and the distribution of plant growth forms. Geografiska Annaler 68A, 185195.
  • Jonasson, S.. (1992). Responses to fertilization and species removal in tundra related to community structure and clonality. Oikos 63, 420429.
  • Jonasson, S. & Sköld, S. E.. (1983). Influences of frost-heaving on vegetation and nutrient regime of polygon-patterned ground. Vegetatio 53, 97112.
  • Karlsson, P. S.. (1986). Seasonal pattern of biomass allocation in flowering and nonflowering specimens of three Pinguicula species. Canadian Journal of Botany 64, 28722877.
  • Lid, J.. (1974). Norsk og Svensk flora. Det Norske Samlaget, Oslo .
  • Perfect, E., Miller, R. D. & Burton, B.. (1988). Frost upheaval of overwintering plants: a qualitative study of displacement processes. Arctic and Alpine Research 20, 7075.
  • Raup, H. M.. (1969). The relation of the vascular flora to some factors of site in the Mesters Vig district northeast Greenland. Meddelelser om Grenland 176, (6).
  • Savile, D. B. O.. (1972). Arctic Adaptations in Plants. Canadian Department of Agriculture Monographs No. 6.
  • Shaver, G. R. & Billings, W. D.. (1975). Root production and root turnover in a wet tundra ecosystem, Barrow, Alaska. Ecology 56, 401409.
  • Slavoñovský, F.. (1977). Ein Vergleich der Wurzelqualität von Corynephorus canescens und von Festuca dominii während der morphogenetischen Phasen d.j. 1971/1972. Folia Facultatis Scientiarum Naturalium Universitatis Purkymanae Brunensis, Biologia 61, Brno.
  • Sonesson, M. & Lundberg, B.. (1974). Late quaternary forest development of the Torneträsk area, north Sweden. 1. Structure of modern forest ecosystems. Oikos 25, 121133.
  • Svensk Standard SS 251262. (1980). Textiles. Yarn from packages. Methods for determination of breaking load and elongation at the breaking load of single strands. (CRL, CRE and CRT testers). SIS – Standardisenngskommitén I Sverige.
  • Wager, H. G.. (1938). Growth and survival of plants in the Arctic. Journal of Ecology 26, 390410.
  • Washburn, A. L.. (1956). Classification of patterned ground and review of suggested origins. Geological Society of America Bulletin 67, 823865.
  • Washburn, A. L.. (1979). Geocryology. A Survey of Periglacial Processes and Environments. Edward Arnold, London .