John Roy Porter

John Roy Porter

Professor, emeritus


  1. Published

    Modelling protein content and composition in relation to crop nitrogen dynamics for wheat

    Martre, P., Jamieson, P. D., Semenov, M. A., Zyskowski, R. F., Porter, John Roy & Triboi, E., 2006, In: European Journal of Agronomy. 25, 2, p. 138-154 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Modelling protein content and composition in wheat

    Jamieson, P., Martre, P., Samoli, V., Porter, John Roy, Zyskowski, R. F., Semenov, M. & Triboi, E., 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

  3. Published
  4. Published

    Modelling the effects of Co2 and drought on wheat for different climatic conditions and cultivars

    Ewert, F., Rodriguez, D., Jamieson, P., Semenov, M. A., Mitchell, R. A. C., Goudriaan, J., Porter, John Roy, Manderscheid, R., Weigel, H. J., Fangmeier, A., Fereres, E. & Villalobos, F., 2000, Improving wheat model accuracy and suitability for regional impact assessment 1998-2000 : IMPETUS final report: EC project ENV4-CT97-0496. p. 108-136 29 p.

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

  5. Published

    Modelling the effects of climatic change and genetic modification on nitrogen use by wheat

    Porter, John Roy, Leigh, R. A., Semenov, M. A. & Miglietta, F., 1995. 22 p.

    Research output: Contribution to conferencePaperResearch

  6. Published

    Modelling the responses of grain protein and composition to environmental variations

    Martre, P., Triboï, E., Jamieson, P. D. & Porter, John Roy, 2004. 1 p.

    Research output: Contribution to conferencePaperResearch

  7. Published

    Move on to a carbon currency standard

    Porter, John Roy & Wratten, S., 2014, In: Nature Study. 506, p. 295 1 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  8. Published

    Need for multidisciplinary research towards a second green revolution: commentary

    Wollenweber, B., Porter, John Roy & Lübberstedt, T., 2005, In: Current Opinion in Plant Biology. 8, 3, p. 337-341 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Obituary: E.J.M. Kirby

    Hay, R. K. M. & Porter, John Roy, 2011, In: Journal of Agricultural Science. 149, 4, p. 401 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Opinion: Agriculture green development

    Porter, John Roy, 2020, In: Frontiers of Agricultural Science and Engineering. 7, 1, p. 117-119 3 p.

    Research output: Contribution to journalLetterResearchpeer-review

  11. Published

    Organic movement reveals a shift in the social position of science

    Mørkeberg, A. & Porter, John Roy, 2001, In: Nature. 412

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Ozone effects on wheat in relation to CO2: modelling short-term and long-term responses of leaf photosynthesis and leaf duration

    Ewert, F. & Porter, John Roy, 2000, In: Global Change Biology. 6, p. 735-750 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Ozone effects on wheat in response to climatic variation and CO2

    Ewert, F., Oijen, M. V. & Porter, John Roy, 2000. 1 p.

    Research output: Contribution to conferencePaperResearch

  14. Published

    Patent confusion in law on new plant varieties

    Porter, John Roy, 2000

    Research output: Other contributionCommunication

  15. Published

    Patent nonsense

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 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

  17. Published

    Plant modification needs more discussion

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

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Plant science and the food security agenda

    Ingram, J. S. I. & Porter, John Roy, 2015, In: Nature Plants. 1, 2 p., 15173.

    Research output: Contribution to journalComment/debateResearch

  19. Published

    Position statement on climate change

    Boote, K. J., Brouder, S. M., Clay, D., Gepts, P., Hatfield, J. L., Hillel, D., Izaurralde, R. C., Mosier, A. R., Porter, John Roy, Rosenzweig, C. E., Rice, C. W. & Climate Change Working Group, C. C. W. G., 2011, American Society of Agronomy. 12 p.

    Research output: Book/ReportBookResearchpeer-review

  20. Published

    Post-cold-storage conditioning time affects soil denitrifying enzyme activity

    Chirinda, N., Olesen, J. E. & Porter, John Roy, 2011, In: Communications in Soil Science and Plant Analysis. 42, 17, p. 2160-2167 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Potential impacts of climate change on production of biofuels in agriculture the Nordic and Baltic Region

    Porter, John Roy, 2006, Impacts of climate change on renewable energy sources and their role in the Nordic energy system: case of bio-fuels. Kellomäki, S. & Leinonen, S. (eds.). Joensuu, Finland: University of Joensuu, Faculty of Forestry, p. 38-49 12 p. (Research Notes / University of Joensuu, Faculty of Forestry; No. 170).

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

  22. Published

    Predicting potential distribution of karnal bunt (Tilletia indica) of wheat

    Ewert, F., Baker, R., Porter, John Roy, Gioli, B., Miglietta, F. & Sansford, C., 2002. 2 p.

    Research output: Contribution to conferencePaperResearch

  23. Published

    Quantification and valuation of ecosystem services in diverse production systems for informed decision-making

    Ghaley, Bhim Bahadur, Vesterdal, Lars & Porter, John Roy, 2014, In: Environmental Science & Policy. 39, p. 139-149 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Quantification of uncertainty in climate change impact assessment

    Downing, T. E., Barrow, E. M., Brooks, R. J., Butterfield, R. E., Carter, T. R., Harrison, P. A., Hulme, M., Olesen, J. E., Porter, John Roy, Schellberg, J., Semenov, M. A., Vinther, F. P., Wheeler, T. R. & Wolf, J., 2000, Climate change, climatic variability and agriculture in Europe : an integrated assessment. Downing, T. E., Harrison, P. A., Butterfield, R. E. & Lonsdale, K. G. (eds.). p. 415-434 20 p.

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

  25. 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

ID: 3148511