1993) Systems for Exposing Crops to Gases. Effects of Air Pollution on Agricultural Crops in Europe (eds H. J. Jager, M. Unsworth, L. De Temmerman & P. Mathy), pp. 167–174. Air Pollution Research Report 46. CEC, Brussels. & (
1995) Microevolutionary responses in experimental populations of plants to CO2 enriched environments: parallel results from two model systems. Proceedings of the National Academy of Sciences, USA 13, 8161–8165.
, , , (
1995) Competition between grasses and Trifolium repens with elevated atmospheric CO2. Carbon Dioxide, Populations and Communities (eds Ch. Korner & F. A. Bazzaz), pp. 301–317. Academic Press, San Diego, USA. & (
1995) The influence of elevated CO2 and simulated seasonal changes in temperature on tissue turnover in pasture turves dominated by perennial ryegrass (Lolium perenne) and white clover (Trifolium repens). Journal of Applied Ecology 13, 128–136. , , , (
1998) A meta-analysis of elevated CO2 effects on woody plant mass, form and physiology. Oecologia 13, 299–313.
1998) Limits of retrospective power analysis. Journal of Wildlife Management 13, 801–807.
, , (
1977) Evidence for the existence of three primary strategies in plants and its relevance to ecological and evolutionary theory. American Naturalist 13, 1169–1194. (
1985) Integrated screening programme. Annual Report of the NERC Unit of Comparitive Plant Ecology for 1985, pp. 6–10. NERC, Sheffield. (
1996) The changing vegetation of Europe: what is the role of elevated carbon dioxide. Carbon Dioxide, Populations and Communities (eds C. Korner & F. A. Bazzaz), pp. 85–92. Academic Press, San Diego, USA. (
1988) Comparitive Plant Ecology. Unwin, London., , (
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, 149–160.
, , , , , , , , (
1995) Climate change 1995. The science of climate change. Contribution of Working Group 1 to the Second Assessment Report of the IPCC. Cambridge University Press, Cambridge., , , , , (
1991) Response to CO2 enrichment in 27 herbaceous species. Functional Ecology 13, 410–421.
, , , (
1994) CO2 alters water use, carbon gain, and yield for the dominant species in a natural grassland. Oecologia 13, 257–262.
, , , (
1998) Blaming the trees: a critique of research on forest responses to high CO2. Trends in Ecology and Evolution13, 427., , (
1994) Long term effects of naturally elevated CO2 on mediterranean grassland and forest trees. Oecologia 13, 343–351.
1996) Effects of elevated CO2 on plant species dominance in a highly diverse calcareous grassland. Carbon Dioxide, Populations and Communities (eds C. Korner & F. A. Bazzaz), pp.159–175. Academic Press, San Diego, USA. & (
1992) Brookhaven National Laboratory Free-Air Carbon Dioxide Enrichment Facility. Critical Reviews in Plant Sciences 13, 135–141. , , (
1994) The potential effects of concurrent increases in temperature, CO2 and O3 on net photosynthesis, as mediated by Rubisco. Plant Responses to the Gaseous Environment (eds R. G. Alscher & A. R. Wellburn), pp. 21–38. Chapman & Hall, London. (
1997) Interspecific and intraspecific variability in the response of grasses and legumes to free air CO2 enrichment. Acta Oecologica- International Journal of Ecology 13, 269–275.
1996) Differences between legumes and nonlegumes of permenant grassland in their responses to Free Air Carbon Dioxide Enrichment: its effect on competition in a multispecies mixture. Carbon Dioxide, Populations and Communities (eds C. Korner & F. A. Bazzaz), pp. 287–300. Academic Press, San Diego, USA., , , , , , (
1998) Long-term responsiveness to free air CO2 enrichment of functional types, species and genotypes of plants from fertile permanent grassland. Oecologia 13, 37–45. , , (
1996) The effect of elevated CO2 concentration on growth of Phleum pratense L. in different parts of the growing season. Acta Agriculturae Scandinavica Section B—Soil and Plant Science 13, 128–134.
1998) The effects of elevated UV-B radiation on experimental grassland communities. Global Change Biology 13, 601–608. , , , , (
1997) Long-term CO2 enrichment of a pasture community: species richness, dominance and succession. Ecology 13, 666–677. & (
1996) Effects of elevated CO2 on plants grown in competition. Carbon Dioxide, Populations and Communities (eds C. Korner & F. A. Bazzaz), pp. 273–286. Academic Press, San Diego, USA. (
1992) British Plant Communities vol. 3. Grasslands and Montane Communities. Cambridge University Press, Cambridge. (
1996) Responses to elevated CO2 in Mediterranean old-field microcosms: species, community, and ecosystem components. Carbon Dioxide, Populations and Communities (eds C. Korner & F. A. Bazzaz), pp. 123–138. Academic Press, San Diego, USA., , , (
1995) Growth and regrowth of Phleum pratense, Lolium perenne, Trifolium repens and Trifolium pratense at normal and elevated CO2 concentration. Agriculture, Ecosystems and Environment 13, 29–35.
1996a) Growth responses of an alpine grassland to elevated CO2. Oecologia 13, 43–52.
1996b) Growth dynamics and population development in an alpine grassland under elevated CO2. Oecologia 13, 93–99. (
1997) The response of perennial ryegrass/white clover swards to elevated atmospheric CO2 concentrations. 1. Effects on competition and species composition and interaction with N supply. New Phytologist 13, 67–79.
, , (
1996) Effects of elevated CO2 on an artificial grassland community: competition, invasion and neighbourhood growth. Functional Ecology 13, 157–166.
1985) Direct Effects of Increasing Carbon Dioxide on Vegetation. National Technical Information Service U.S. Department of Commerce, Springfield, USA. & (
1994) Predicting the fate of temperate species in response to human disturbance and global change. NATO Advanced Research Workshop on Biodiversity, Temperate Ecosystems and Global Change (eds T. J. B. Boyle & C. E. B. Boyle), pp. 61–76. Springer-Verlag, Berlin. (
1996) Canopy gas exchange and growth of upland pasture swards in elevated CO2. New Phytologist 13, 367–380. & (
1996) Stimulation of symbiotic N2 fixation in Trifolium repens L. under elevated atmospheric carbon dioxide in a grassland ecosystem. Plant Physiology 13, 575–583. , , , , , , , , (
1996) Biostatistical Analysis, 3rd edn. Prentice-Hall International, Inc, New Jersey. (