Plant responses to elevated CO[2] : evidence from natural springs

Preface 1. Sites of naturally-elevated CO2 J. Grace and P. van Gardingen 2. Migration in the ground of CO2 and other volatile contaminants. Theory and survey G. Etiope 3. Levels of CO2 leakage in relation to geology G. Etiope and S. Lombardi 4. CO2 emission in volcanic areas: case histories and hazards M. Martini 5. Controlled degassing of lakes with high CO2 content in Cameroon: an opportunity for ecosystem CO2-enrichment experiments M. Mousseau, Z. Enoch and J. Sabroux 6. Burning coal seams in southern Utah: a natural system for studies of plant responses to elevated CO2 J. Ehleringer, D. Sandquist and S. Philips 7. Long-term effects of enhanced CO2 concentrations on leaf gas exchange: research opportunities using CO2 springs P. van Gardingen, J. Grace, C. Jeffree, S. Byari, F. Miglietta, A. Raschi and I. Bettarini 8. Using Icelandic CO2 springs to understand the long-term effects of elevated atmospheric CO2 A. Cook, W. Oechel and B. Sveinbjornsson 9. Plant-CO2 responses in the long term: plants from CO2 springs in Florida and tombs in Egypt F. Woodward and D. Beerling 10. Acidophilic grass communities of CO2 springs in central Italy: composition, structure and ecology F. Selvi 11. Studying morpho-physiological responses of scirpus lacustris from naturally CO2-enriched environments I. Bettarini, F. Miglietta and A. Raschi 12. Carbon physiology of quercus pubescens wild. Growing at the Bossoleto CO2 spring in central Italy J. Johnson, M. Michelozzi and R. Tognetti 13. Preliminary results on dissolved inorganic 13C and 14C content of a CO2-rich mineral spring of Catalonia (NE Spain) and of plants growing in its surroundings J. Pinol and J. Terradas 14. The impact of elevated CO2 on the growth of agrostis canina and plantago major adapted to contrasting CO2 concentrations M. Fordham, J. Barnes, I Bettarini, H. Griffiths, F. Miglietta and A. Raschi 15. Stomatal numbers in holm oak (Quercus ilex L.) leaves grown in naturally and artificially CO2 enriched environments E. Paoletti, F. Miglietta, A. Raschi, F. Manes and P. Grossoni 16. Effects of CO2 on NH4+ assimilation by cyanidium caldarium, an acidophilic hot springs and hot soils unicellular alga C. Rigano, V. di Martino Rigano, V. Vona, S. Esposito and C. di Martino 17. Can rising CO2 alleviate oxidative risk for the plant cell? Testing the hypothesis under natural CO2 enrichment M. Badini, A. Paolacci, A. D'Annibale, F. Miglietta and A. Raschi 18. Increasing concentration of atmospheric CO2 and decomposition processes in forest ecosystems P. Ineson and F. Cotrufo Index.