John Roy Porter

John Roy Porter

Professor, emeritus


  1. 1997
  2. Published

    Modelling crop yields under climate change

    Porter, John Roy & Semenov, M. A., 1997, In: Eurostat. 1997, p. 349-366 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Modelling ozone effects on wheat in relation to elevated CO2 and weather: short-term to seasonal responses of leaf photosynthesis

    Ewert, F. & Porter, John Roy, 1997, In: Plant, Cell and Environment. 1997

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published
  5. Published

    Patent nonsense

    Porter, John Roy, 1997, In: Chemistry and industry. 15, p. 626 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Patenting living material in the EU : report to the International Network of Engineers and Scientists

    Porter, John Roy, 1997, Ethical dimensions of sustainability. 3 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  7. Published

    Plant modification needs more discussion

    Porter, John Roy, 1997, In: Nature. 386, p. 111 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Report to the 3. CLIVARA meeting - Avignon, France, March 15-19, 1997

    Porter, John Roy & Wollenweber, B., 1997

    Research output: Other contributionCommunication

  9. Published
  10. Published
  11. Published
  12. Published

    The ¤landscape consequences of combined food and energy systems

    Porter, John Roy, 1997, Landskabsøkologiske skrifter. Brandt, J. . . A. . (ed.). 6 ed. Center for Landskabsforskning, Roskilde Universitet, p. 13-20 8 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  13. Published

    Variability and scaling: matching methods and phenomena

    Marshall, B., Crawford, J. W. & Porter, John Roy, 1997, Scaling-up : from cell to landscape. Gardingen, P. R. V., Foody, G. M. & Curran, P. J. (eds.). Cambridge: Cambridge University Press, Vol. 63. p. 253-272 20 p. (Society for Experimental Biology seminar series).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  14. 1998
  15. Published

    A comparison of the models AFRCWHEAT2, CERES-Wheat, Sirius, SUCROS2 and SWHEAT with measurements from wheat grown under drought

    Jamieson, P. D., Porter, John Roy, Goudriaan, J., Ritchie, J. T., Keulen, H. V. & Stol, W., 1998, In: Field Crops Research. 55, p. 23-44 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Effects of high temperature extremes on wheat: do extreme temperature events interact in wheat?

    Wollenweber, B., Schellberg, J. & Porter, John Roy, 1998, Ikke angivet. European Commission, Fourth Framework Programme, DGXII, 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  17. Published

    Energetic, economic and ecological balances of a combined food and energy system

    Kuemmel, B., Langer, Vibeke, Magid, Jakob, de Neergaard, Andreas & Porter, John Roy, 1998, In: Biomass & Bioenergy. (4/5), p. 407-416 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    IMPETUS: 1. year report on research at KVL Taastrup, DK

    Ewert, F. & Porter, John Roy, 1998, Improving wheat model accuracy and suitability for regional impact assessment (IMPETUS) : EC project ENV4-CT97-0496 : report on 1. year. Mitchell, R. A. C. (ed.). p. B25-B32 9 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  19. Published

    Interaction between soils and crop production: rational systems

    Porter, John Roy, 1998. 2 p.

    Research output: Contribution to conferencePaperResearch

  20. Published

    MODEXCROP project: model evaluation of experimental variability to improve predictability of crop yields under climate change

    Ewert, F. & Porter, John Roy, 1998, Copenhagen: Royal Veterinary and Agricultural University, Department of Agricultural Science, Agro-Ecology. 21 p.

    Research output: Book/ReportBookEducation

  21. Published

    Making sense of wheat development: a critique of methodology

    Jamieson, P. D., Brooking, I. R., Semenov, M. A. & Porter, John Roy, 1998, In: Field Crops Research. 55, p. 117-127 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Quantification of uncertainty in wheat yield prediction under future climate

    Schellberg, J., Ferris, R., Porter, John Roy, Wheeler, T. & Wollenweber, B., 1998, Ikke angivet. European Commission, Fourth Framework Programme, DGXII, 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  23. Published

    Research beyond the means: climatic variability and plant growth

    Porter, John Roy & Moot, D. J., 1998, EUR. Dalezios, N. R. (ed.). 18328 ed. Publications Office, p. 13-23 11 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  24. Published

    The ¤how, why and wherefore of crop simulation models

    Porter, John Roy & Jamieson, P. D., 1998, EUR. Peter, D., Maracchi, G. & Ghazi, A. (eds.). 18175 ed. Official Publications of the European Communities, p. 183-201 19 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  25. 1999
  26. Published

    Climate variability and crop yields in Europe

    Porter, John Roy & Semenov, M. A., 1999, In: Nature. 400, 6746, p. 724 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Comments on "Testing winter wheat simulation models predictions against observed UK grain yields" by Landau et al. (1998)

    Jamieson, P. D., Porter, John Roy, Semenov, M. A., Brooks, R. J., Ewert, F. & Ritchie, J. T., 1999, In: Agricultural and Forest Meteorology. 96, p. 157-161 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Modelling effects of ozone exposure, elevated CO2 and weather on wheat

    Ewert, F. & Porter, John Roy, 1999. 2 p.

    Research output: Contribution to conferencePaperResearch

ID: 3148511