Oecologia

, Volume 144, Issue 2, pp 245–256 | Cite as

Will loss of snow cover during climatic warming expose New Zealand alpine plants to increased frost damage?

  • Peter Bannister
  • Tanja Maegli
  • Katharine J. M. Dickinson
  • Stephan R. P. Halloy
  • Allison Knight
  • Janice M. Lord
  • Alan F. Mark
  • Katrina L. Spencer
Ecophysiology

Abstract

If snow cover in alpine environments were reduced through climatic warming, plants that are normally protected by snow-lie in winter would become exposed to greater extremes of temperature and solar radiation. We examined the annual course of frost resistance of species of native alpine plants from southern New Zealand that are normally buried in snowbanks over winter (Celmisia haastii and Celmisia prorepens) or in sheltered areas that may accumulate snow (Hebe odora) and other species, typical of more exposed areas, that are relatively snow-free (Celmisia viscosa, Poa colensoi, Dracophyllum muscoides). The frost resistance of these principal species was in accord with habitat: those from snowbanks or sheltered areas showed the least frost resistance, whereas species from exposed areas had greater frost resistance throughout the year. P. colensoi had the greatest frost resistance (−32.5°C). All the principal species showed a rapid increase in frost resistance from summer to early winter (February–June) and maximum frost resistance in winter (July–August). The loss of resistance in late winter to early summer (August–December) was most rapid in P. colensoi and D. muscoides. Seasonal frost resistance of the principal species was more strongly related to daylength than to temperature, although all species except C. viscosa were significantly related to temperature when the influence of daylength was accounted for. Measurements of chlorophyll fluorescence indicated that photosynthetic efficiency of the principal species declined with increasing daylength. Levels of frost resistance of the six principal alpine plant species, and others measured during the growing season, were similar to those measured in tropical alpine areas and somewhat more resistant than those recorded in alpine areas of Europe. The potential for frost damage was greatest in spring. The current relationship of frost resistance with daylength is sufficient to prevent damage at any time of year. While warmer temperatures might lower frost resistance, they would also reduce the incidence of frosts, and the incidence of frost damage is unlikely to be altered. The relationship of frost resistance with daylength and temperature potentially provides a means of predicting the responses of alpine plants in response to global warming.

Keywords

Frost resistance New Zealand Alpine Snow Climate change 

Notes

Acknowledgements

The current study was supported by University of Otago Research Grants in 2003 and 2004. The Department of Conservation granted permits for plant collection and experimental plots in areas under their control. We thank Norman Mason, Stewart Bell, Rob Daly and Laura Harrison for their assistance, particularly during winter; J and E O’Connell for access through their property on the Rock and Pillar Range; and J and M Lee for access and use of sites on the Waiorau Snowfarm on the Pisa Range.

References

  1. Azocar A, Rada F, Goldstein G (1988) Freezing tolerance in Draba chionophila a miniature caulescent rosette species. Oecologia 75:156–160CrossRefGoogle Scholar
  2. Bannister P (1964) The water relations of certain heath plants with reference to their ecological amplitude. II. Field studies. J Ecol 52:481–497CrossRefGoogle Scholar
  3. Bannister P (2003) Are frost hardiness ratings useful predictors of frost damage in the field? A test using damage records from the severe frost in South Otago and Southland, New Zealand, July 1966. N Z J Bot 41:555–569Google Scholar
  4. Bannister P, Fagan B (1989) The frost resistance of fronds of Blechnum penna-marina in relation to season, altitude, and short-term hardening and dehardening. N Z J Bot 27:471–476Google Scholar
  5. Bannister P, Polwart A (2001) The frost resistance of ericoid heath plants in the British Isles in relation to their biogeography. J Biogeogr 28:589–596CrossRefGoogle Scholar
  6. Bannister P, Colhoun CM, Jameson PE (1995) The winter hardening and foliar frost resistance of some New Zealand species of Pittosporum. N Z J Bot 33:409–414Google Scholar
  7. Beck E (1994) Cold tolerance in tropical alpine plants. In: Rundel PW, Smith AP, Meinzer FC (eds) Tropical alpine environments. Cambridge University Press, Cambridge, pp 77–110Google Scholar
  8. Beck E, Senser M, Scheibe R, Steiger HM, Pongratz P (1982) Frost avoidance and freezing tolerance in afroalpine giant rosette plants. Plant Cell Environ 5:215–222Google Scholar
  9. Beck E, Schulze E-D, Senser M, Scheibe R (1984) Equilibrium freezing of leaf water and extracellular ice formation in Afroalpine “giant rosette” plants. Planta 162:276–282CrossRefGoogle Scholar
  10. Bolhar-Nordenkampf HR, Long SP, Baker NR, Öquist G, Schreiber U, Lechner EG (1989) Chlorophyll fluorescence as a probe of the photosynthetic competence of leaves in the field: a review of current instrumentation. Plant Physiol 84:218–224Google Scholar
  11. Bravo LA, Ulloa N, Zuñiga GE, Casanova A, Corcuera LJ, Alberdi M (2001) Cold resistance in Antarctic angiosperms. Physiol Plant 111:55–65CrossRefGoogle Scholar
  12. Brenstrum E (1998) The New Zealand weather book. Craig Potton Publishing, NelsonGoogle Scholar
  13. Darrow HE, Bannister P, Burritt DJ, Jameson PE (2001) The frost resistance of juvenile and adult forms of some heteroblastic New Zealand plants. N Z J Bot 39:225–263Google Scholar
  14. Flinn CL, Ashworth EN (1994) Blueberry flower-bud hardiness is not estimated by differential thermal analyses. J Amer Soc Hort Sci 109:375–330Google Scholar
  15. Goldstein G, Rada F, Azocar A (1985) Cold hardiness and supercooling along an altitudinal gradient in Andean giant rosette species. Oecologia 68:147–152CrossRefGoogle Scholar
  16. Goldstein G, Drake DR, Melcher P, Giambelluca TW, Heraux J (1996) Photosynthetic gas exchange and temperature-induced damage in seedlings of the tropical alpine species, Argyroxiphium sandwicense. Oecologia 106:298–307CrossRefGoogle Scholar
  17. Gottfried M, Pauli H, Grabherr G (1998) Prediction of vegetation patterns at the limits of plant life– -a new view of the Alpine-Nival ecotone. Arct Alp Res 30:207–221CrossRefGoogle Scholar
  18. Grabherr G, Gottfried M, Pauli H (1994) Climate effects on mountain plants. Nature 369:448PubMedCrossRefGoogle Scholar
  19. Grabherr G, Gottfried M, Gruber A, Pauli H (1995) Patterns and current changes in alpine plant diversity. In: Chapin FS III, Körner Ch (eds) Arctic and alpine biodiversity. Springer, Berlin Heidelberg New York, pp 167–181Google Scholar
  20. Halloy SRP, Mark AF (1996) Comparative leaf morphology spectra of plant communities in New Zealand, the Andes and the European Alps. J Roy Soc N Z 26:41–78Google Scholar
  21. Halloy SRP, Mark AF (2003) Climate-change effects on alpine plant biodiversity: a New Zealand perspective on quantifying the threat. Arct Antarct Alp Res 35:248–254CrossRefGoogle Scholar
  22. Jones HG (1983) Plants and microclimate. Cambridge University Press, CambridgeGoogle Scholar
  23. Körner C (1999) Alpine plant life—functional plant ecology of high mountain ecosystems. Springer, Berlin Heidelberg New YorkGoogle Scholar
  24. Körner C, Keller F (1999) The role of photoperiodism in alpine plant development. Arct Antaract Alp Res 35:361–368Google Scholar
  25. Larcher W, Holzner M, Pichler J (1989) Temperaturresistenz inneralpiner Trockenrasen. Flora 183:115–131Google Scholar
  26. Lipp CC, Goldstein G, Meinzer FC, Niemczura W (1994) Freezing tolerance and avoidance in high elevation Hawaiian plants. Plant Cell Environ 17:1035–1044CrossRefGoogle Scholar
  27. Mark AF, Dickinson KJM, Hofstede RGM (2000) Alpine vegetation, plant distribution, life forms, and environments in a perhumid New Zealand region: oceanic and tropical high mountain affinities. Arct Antarct Alp Res 32:240–254CrossRefGoogle Scholar
  28. Mark AF, Dickinson KJM, Allen J, Smith R, West CJ (2001) Vegetation patterns, plant distribution and life forms across the alpine zone in southern Tierra del Fuego, Argentina. Austral Ecol 26:423–440CrossRefGoogle Scholar
  29. Neuner G, Buchner O (1999) Assessment of foliar frost damage comparison of in vivo fluorescence with other viability tests. J Appl Bot 73:50–54Google Scholar
  30. Neuner G, Bannister P, Larcher W (1997) Ice formation and foliar frost resistance in attached and excised shoots from seedlings and adult trees of Nothofagus menziesii. N Z J Bot 35:221–227Google Scholar
  31. Neuner G, Ambach D, Aichner K (1999a) Impact of snow cover on photoinhibition and winter desiccation in evergreen Rhododendron ferrugineum leaves during subalpine winter. Tree Physiol 19:725–732PubMedGoogle Scholar
  32. Neuner G, Ambach D, Buchner O (1999b) Readiness to frost harden during the dehardening period measured in situ in leaves of Rhododendron ferrugineum L. at the alpine timberline. Flora 194:289–296Google Scholar
  33. Pellet H, Gearhart M, Dir M (1981) Cold hardiness capability of woody ornamental plant taxa. J Amer Soc Hort Sci 106:239–243Google Scholar
  34. Rada F, Garcia-Nuñez C, Boero C, Gallardo M, Hilal M, Gonzalez J, Prado F, Liberman-Cruz M, Azocar A (2001) Low temperature resistance in Polylepis tarapacana, a tree growing at the highest altitudes in the world. Plant Cell Environ 24:377–381CrossRefGoogle Scholar
  35. Reitsma L (1994) The frost resistance of some native plants from the Central Volcanic Plateau, North Island, New Zealand, in relation to plant succession. N Z J Bot 32:217–226Google Scholar
  36. Robberecht R, Juntilla O (1992). The freezing response of an arctic cushion plant Saxifraga caespitosa L. Acclimation, freezing tolerance and ice nucleation. Ann Bot 70:129–135Google Scholar
  37. Rundel PW, Smith AP, Meinzer FC (1994) Tropical alpine environments. Cambridge University Press, CambridgeGoogle Scholar
  38. Sakai A, Wardle P (1978) Freezing resistance of New Zealand trees and shrubs. N Z J Ecol 1:51–61Google Scholar
  39. Schwarz W (1970) Der Einfluss der Photoperiode auf das Austreiben, die Frosthärte und die Hitzeresistenz von Zirben und Alpenrosen. Flora 159:258–285Google Scholar
  40. Squeo FA, Rada F, Azocar A, Goldstein G (1991) Freezing tolerance and avoidance in high tropical Andean plants: is it equally represented in species with different plant height? Oecologia 86:378–382CrossRefGoogle Scholar
  41. Squeo FA, Rada F, Garcia C, Ponce M, Rojas A, Azocar A (1996) Cold resistance mechanisms in high desert Andean plants. Oecologia 105:552–555CrossRefGoogle Scholar
  42. Sturman AP, McGowan HA, Spronken-Smith R (1999) Mesoscale and local climates in New Zealand. Progress Phys Geogr 23:611–635CrossRefGoogle Scholar
  43. Talbot JM, Mark AF, Wilson JB (1992) Vegetation-environment relations in snowbanks on the Rock and Pillar Range, Central Otago, New Zealand. N Z J Bot 30:271–301Google Scholar
  44. Taschler D, Neuner G (2004) Summer frost resistance and freezing patterns measured in situ in leaves of major alpine growth forms in relation to their upper distributional boundary. Plant Cell Environ 27:737–746CrossRefGoogle Scholar
  45. Taschler D, Beikircher B, Neuner G (2003) Frost resistance and ice nucleation in leaves of five woody timberline species measured in situ during shoot expansion. Tree Physiol 24:331–337Google Scholar
  46. Troll C (1968) The Cordilleras of the tropical Americas. In: Troll C (ed) Geo-ecology of the mountainous regions of the tropical Americas. Dümmler, Bonn, pp 15–55Google Scholar
  47. Ulmer W (1937) Ueber den Jahresgang der Frosthärte einiger immergruner Arten der alpinen Stufe, sowie Zirbe und Fichte. Jahrb Wiss Bot 84:553–592Google Scholar
  48. Wardle P (1998) Comparison of alpine timberlines in New Zealand and the southern Andes. Roy Soc N Z Misc Ser 48:69–90Google Scholar
  49. Wardle P, Campbell AD (1976) Seasonal cycles of tolerance to low temperatures in three native woody plants, in relation to their ecology and post-glacial history. Proc N Z Ecol Soc 23:85–91Google Scholar
  50. Warrington IJ, Southward RC (1995) Seasonal frost tolerance of Hebe species and cultivars. N Z J Crop Hort Sci 23:437–445Google Scholar

Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • Peter Bannister
    • 1
  • Tanja Maegli
    • 1
  • Katharine J. M. Dickinson
    • 1
  • Stephan R. P. Halloy
    • 2
  • Allison Knight
    • 1
  • Janice M. Lord
    • 1
  • Alan F. Mark
    • 1
  • Katrina L. Spencer
    • 1
  1. 1.Department of BotanyUniversity of OtagoDunedinNew Zealand
  2. 2.New Zealand Institute for Crop and Food Research LtdMosgielNew Zealand

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