Winter warming events damage sub-Arctic vegetation: Consistent evidence from an experimental manipulation and a natural event

Journal of Ecology

Volumn 97, Issue 6, 2009, Pages 1408-1415

  Bokhorst, Stef F ^a   Bjerke, Jarle W ^b   Tømmervik, Hans ^b   Callaghan, Terry V ^a,c   Phoenix, Gareth K ^a  

^a UNIVERSITY OF SHEFFIELD   (United Kingdom)

^b NORWEGIAN INSTITUTE FOR NATURE RESEARCH   (Norway)

^c ABISKO SCIENTIFIC RESEARCH STATION   (Sweden)

Author keywords

Arctic; Climate change; Dwarf shrub; Empetrum hermaphroditum; Extreme weather events; NDVI; Shrub expansion; Snow cover; Winter warming

Indexed keywords

ARCTIC ENVIRONMENT; CLIMATE CHANGE; CLIMATE EFFECT; COMMUNITY COMPOSITION; DAMAGE; EXPERIMENTAL STUDY; EXTREME EVENT; GROWTH RATE; GROWTH RESPONSE; HEATHLAND; HIGH TEMPERATURE; LANDSCAPE; LEAF AREA; NDVI; PHOTOSYNTHESIS; PRODUCTIVITY; SATELLITE DATA; SHRUB; SHRUBLAND; SNOW COVER; SPATIAL ANALYSIS; SUBARCTIC REGION; TEMPORAL ANALYSIS; WARMING; WINTER;

EURASIA; EUROPE; NORTHERN EUROPE; PACIFIC OCEAN; PACIFIC OCEAN (SUBARCTIC); SCANDINAVIA;

EMPETRUM HERMAPHRODITUM;

EID: 70350022280     PISSN: 00220477     EISSN: 13652745     Source Type: Journal    
DOI: 10.1111/j.1365-2745.2009.01554.x     Document Type: Article

References (27)

1. Aanes, R., Sæther, B.E., Smith, F.M., Cooper, E.J., Wookey, P.A. Øritsland, N.A. (2002) The Arctic Oscillation predicts effects of climate change in two trophic levels in a high-arctic ecosystem. Ecology Letters, 5, 445 453.
2. ACIA (2005) Arctic Climate Impact Assessment. Cambridge University Press, New York.
3. Bamzai, A.S. (2003) Relationship between snow cover variability and Arctic oscillation index on a hierarchy of time scales. International Journal of Climatology, 23, 131 142.
4. Bokhorst, S., Bjerke, J.W., Bowles, F.P., Melillo, J.M., Callaghan, T.V. Phoenix, G.K. (2008) Impacts of extreme winter warming in the sub-Arctic: growing season responses of dwarf-shrub heathland. Global Change Biology, 14, 2603 2612.
5. Forchhammer, M. Boertmann, D. (1993) The muskoxen Ovibos moscatus in north and northeast Greenland - population trends and the influence of abiotic parameters on population dynamics. Ecography, 16, 299 308.
6. 2 production during winter in a Swedish subarctic region: the relative importance of climate and vegetation type. Global Change Biology, 12, 1479 1495.
7. Huete, A., Didan, K., Miura, T., Rodriguez, E.P., Gao, X. L.G, F. (2002) Overview of the radiometric and biophysical performance of the MODIS vegetation indices. Remote Sensing of Environment, 83, 195 213.
8. Jia, G.J., Epstein, H.E. Walker, D.A. (2003) Greening of the Alaskan Arctic over the past two decades. Geophysical Research Letters, 30, 2067.
9. Jonasson, S. (1988) Evaluation of the point intercept method for the estimation of plant biomass. Oikos, 52, 101 106.
10. Karlsen, S.R., Tolvanen, A., Kubin, E., Poikolainen, J., Høgda, K.A., Johansen, B., Danks, F.S., Aspholm, P., Wielgolaski, F.E. Makarova, O. (2008) MODIS-NDVI-based mapping of the length of the growing season in northern Fennoscandia. International Journal of Applied Earth Observation and Geoinformation, 10, 253 266.
11. Karlsson, P.S., Bylund, H., Neuvonen, S., Heino, S. Tjus, M. (2003) Climatic response of budburst in the mountain birch at two areas in northern Fennoscandia and possible responses to global change. Ecography, 26, 617 625.
12. Kausrud, K.L., Mysterud, A., Steen, H., Vik, J.O., Østbye, E., Cazelles, B., Framstad, E., Eikeset, A.M., Mysterud, I., Solhøy, T. Stenseth, N.C. (2008) Linking climate change to lemming cycles. Nature, 456, 93 97.
13. Myking, T. (1999) Winter dormancy release and budburst in Betula pendula Roth and B-pubescens Ehrh. ecotypes. Phyton-Annales Rei Botanicae, 39, 139 145.
14. Myking, T. Heide, O.M. (1995) Dormancy release and chilling requirement of buds of latitudinal ecotypes of Betula pendula and B. pubescens. Tree Physiology, 15, 697 704.
15. Myneni, R.B., Keeling, C.D., Tucker, C.J., Asrar, G. Nemani, R.R. (1997) Increased plant growth in the northern high latitudes from 1981 to 1991. Nature, 386, 698 702.
16. Pearce, R.S. (2001) Plant freezing and damage. Annals of Botany, 87, 417 424.
17. Robinson, C.H., Wookey, P.A., Lee, J.A., Callaghan, T.V. Press, M.C. (1998) Plant community responses to simulated environmental change at a high arctic polar semi-desert. Ecology, 79, 856 866.
18. Sonesson, M. Callaghan, T.V. (1991) Strategies of survival in plants of the Fennoscandian Arctic. Arctic, 44, 95 105.
19. Street, L.E., Shaver, G.R., Williams, M. Van Wijk, M.T. (2007) What is the relationship between changes in canopy leaf area and changes in photosynthetic CO2 flux in arctic ecosystems? Journal of Ecology, 95, 139 150.
20. Sturm, M., Schimel, J., Michaelson, G.J., Welker, J.A., Oberbauer, S.F., Liston, G.E., Fahnestock, J.T. Romanovsky, V.E. (2005) Winter biological processes could help convert Arctic tundra to shrubland. BioScience, 55, 17 26.
21. Tape, K., Sturm, M. Racine, C. (2006) The evidence of shrub expansion in Northern Alaska and the Pan-Arctic. Global Change Biology, 12, 686 702.
22. Tybirk, K., Nilsson, M.C., Michelson, A., Kristensen, H.L., Shevtsova, A., Strandberg, M.T., Johansson, M., Nielsen, K.E., Rils-Nielsen, T., Strandberg, B. Johnsen, I. (2000) Nordic Empetrum dominated ecosystems: Function and susceptibility to environmental changes. Ambio, 29, 90 97.
23. Van Wijk, M.T., Clemmensen, K.E., Shaver, G.R., Williams, M., Callaghan, T.V., Chapin, F.S. et al. (2004) Long-term ecosystem level experiments at Toolik Lake, Alaska, and at Abisko, Northern Sweden: generalizations and differences in ecosystem and plant type responses to global change. Global Change Biology, 10, 105 123.
24. Van Wijk, M.T., Williams, M., Laundre, J.A. Shaver, G.R. (2003) Interannual variability of plant phenology in tussock tundra: modelling interactions of plant productivity, plant phenology, snowmelt and soil thaw. Global Change Biology, 9, 743 758.
25. Visbeck, M.H., Hurrell, J.W., Polvani, L. Cullen, H.M. (2001) The North Atlantic Oscillation: Past, present, and future. Proceedings of the National Academy of Sciences of the United States of America, 98, 12876 12877.
26. Walker, D.A., Billings, W.D. de Molenaar, J.G. (2001) Snow-vegetation interactions in tundra environments. Snow Ecology: An Interdisciplinary Examination of Snow-covered Ecosystems (eds H.G. Jones, J.W. Pomeroy, D.A. Walker R.W. Hoham pp. 266 324. Cambridge University Press, Cambridge.
27. Walker, M.D., Wahren, C.H., Hollister, R.D., Henry, G.H.R., Ahlquist, L.E., Alatalo, J.M. et al. (2006) Plant community responses to experimental warming across the tundra biome. Proceedings of the National Academy of Sciences of the United States of America, 103, 1342 1346.