SEARCH

SEARCH BY CITATION

References

  • 1
    Arnone III, J.A. (1997) Indices of plant N availability in an alpine grassland under elevated CO2. Plant and Soil 13, 6166.
  • 2
    Arnone III, J.A. & Gordon, J.C. (1990) Effect of nodulation, nitrogen fixation and CO2 enrichment on the physiology, growth and dry mass allocation of seedlings of Alnus rubra Bong. The New Phytologist 13, 5566.
  • 3
    Bowman, W.D., Schardt, J.C., Schmidt, S.K. (1996) Symbiotic N2-fixation in alpine tundra: ecosystem input and variation in fixation rates among communities. Oecologia 13, 345350.
  • 4
    Diemer, M. (1997) Effects of elevated CO2 on gas exchange characteristics of alpine grassland. Acta Oecologica 13, 177182.
  • 5
    Hebeisen, T., Lüscher, A., Zanetti, S., Fischer, B., Hartwig, U.A., Frehner, M., Hendrey, G.R., Blum, H., Nösberger, J. (1997) Growth response of Trifolium repens L. & Lolium perenne L. as monocultures and bi-species mixture to free air CO2 enrichment and management. Global Change Biology 13, 149160.
  • 6
    Holzmann, H.-P. & Haselwandter, K. (1988) Contribution of nitrogen fixation to nitrogen nutrition in an alpine sedge community (Caricetum curvulae). Oecologia 13, 298302.
  • 7
    Johnson, D.A. & Rumbaugh, M.D. (1986) Field nodulation and acetylene reduction activity of high-altitude legumes in the western United States. Arctic and Alpine Research 13, 171179.
  • 8
    Karagatzides, J.D., Lewis, M.C., Schulman, H.M. (1985) Nitrogen fixation in high arctic tundra at Sarcpa Lake, Northwest Territories. Canadian Journal of Botany 13, 974979.
  • 9
    Körner, Ch., Diemer, M., Schäppi, B., Niklaus, P., Arnone III, J.A. (1997) The responses of alpine grassland to four seasons of CO2 enrichment: a synthesis. Acta Oecologica 13, 165175.
  • 10
    Körner, Ch., Diemer, M.W., Schäppi, B., Zimmermann, L. (1996) Response of alpine vegetation to elevated CO2. Carbon Dioxide and Terrestrial Ecosystems (eds H. A. Mooney & G. W. Koch), pp. 177–196. Academic Press, San Diego.
  • 11
    Leadley, P.W., Niklaus, P.A., Stocker, R., Körner, Ch. (1999) A field study of the effects of elevated CO2 on plant biomass and community structure in a calcareous grassland. Oecologia 13, 3949.
  • 12
    Leadley, P.W. & Stöcklin, J. (1997) Effects of elevated CO2 on model calcareous grasslands: community, species, and genotype level responses. Global Change Biology 13, 389397.
  • 13
    Lüscher, A., Hebeisen, T., Zanetti, S., Hartwig, U.A., Blum, H., Hendrey, G.R., Nösberger, J. (1996) Differences between legumes and nonlegumes of permanent grassland in their responses to free-air carbon dioxide enrichment: its effect on competition in a multispecies mixture. Carbon Dioxide, Populations, and Communities (eds Ch. Körner & F. A. Bazzaz), pp.287–300. Academic Press, San Diego.
  • 14
    Newton, P.C.D., Clark, H., Bell, C.C., Glasgow, E.M., Campbell, B.D. (1994) Effects of elevated CO2 and simulated seasonal changes in temperature on the species composition and growth rates of pasture turves. Annals of Botany 13, 5359.
  • 15
    Niklaus, P.A. & Körner, Ch. (1996) Responses of soil microbiota of a late successional alpine grassland to long-term CO2 enrichment. Plant and Soil 13, 219229.
  • 16
    Norby, R.J. (1987) Nodulation and nitrogenase activity in nitrogen-fixing woody plants stimulated by CO2 enrichment of the atmosphere. Physiologia Plantarum 13, 7782.
  • 17
    Overdieck, D. & Reining, E. (1986) Effect of atmospheric CO2 enrichment on perennial ryegrass (Lolium perenne) and white clover (Trifolium repens L.) competing in managed model ecosystems. I. Phytomass production. Acta Oecologica 13, 2635.
  • 18
    Phillips, D.A., Newell, K.D., Hassell, S.A., Felling, C.E. (1976) The effect of CO2 enrichment on root nodule development and symbiotic N2 reduction in Pisum sativum L. American Journal of Botany 13, 356362.
  • 19
    Rihm, B. (1996) Critical Loads of Nitrogen and their Exceedances. Environmental Series no. 275. Federal Office of Environment, Forests and Landscape, Bern, Switzerland.
  • 20
    Schäppi, B. & Körner, Ch. (1996) Growth responses in an alpine grassland to elevated CO2. Oecologia 13, 4352.
  • 21
    Soussana, J.F. & Hartwig, U.A. (1996) The effects of elevated CO2 on symbiotic N2 fixation: a link between the carbon and nitrogen cycles in grassland ecosystems. Plant and Soil 13, 321332.
  • 22
    Stöcklin, J., Schweizer, K., Körner, Ch. (1998) Effects of elevated CO2 and phosphorus addition on productivity and community composition of intact monoliths from calcareous grassland. Oecologia 13, 5056.
  • 23
    Thomas, R.B., Richter, D.D., Ye, H., Heine, P.R., Strain, B.R. (1991) Nitrogen dynamics and growth of seedlings of an N-fixing tree (Gliricidia sepium (Jacq. Walp.)) exposed to elevated atmospheric carbon dioxide. Oecologia 13, 415412.
  • 24
    Tissue, D.T., Megonigal, J.P., Thomas, R.B. (1997) Nitrogenase activity and N2 fixation are stimulated by elevated CO2 in a tropical N2-fixing tree. Oecologia 13, 2833.
  • 25
    Vitousek, P.M. & Walker, L.R. (1989) Biological invasion by Myrica faya in Hawai’i: plant demography, nitrogen fixation, ecosystem effects. Ecological Monographs 13, 247265.
  • 26
    Vogel, C.S. & Curtis, P.S. (1995) Leaf gas exchange and nitrogen dynamics o f N2-fixing, field-grown Alnus glutinosa under elevated atmospheric CO2. Global Change Biology 13, 5561.
  • 27
    Weaver, R.W. (1986) Measurement of biological dinitrogen fixation in the field. Field Measurement of Dinitrogen Fixation and Denitrification (eds R. D. Hauck & R. W. Weaver), pp. 1–10. Soil Science Society of America, Madison, WI.
  • 28
    Wojciechowski, M.F. & Heimbrook, M.E. (1984) Dinitrogen fixation in alpine tundra, Niwot Ridge, Front Range, Colorado, U.S.A. Arctic and Alpine Research 13, 110.
  • 29
    Zanetti, S., Hartwig, U.A., Lüscher, A., Hebeisen, T., Frehner, M., Fisher, B.U., Hendrey, G.R., Blum, H., Nösberger, J. (1996) Stimuation of symbiotic N2 fixation in Trifolium repens L. under elevated atmospheric pCO2 in a grassland ecosystem. Plant Physiology 13, 575583.