John Roy Porter

John Roy Porter

Professor, emeritus


  1. Published

    Conceptual foundation for innovative education in agroecology

    Francis, C., Helenius, J., Lieblein, G., Porter, John Roy, Olsen, H. & Salomonsson, L., 2000, Integrating concepts of sustainability into education for agriculture and rural development. Bor, W. V. D., Holen, P., Wals, A. & Filho, W. L. (eds.). Frankfurt am Main: Peter Lang, Vol. 6. p. 125-137 13 p. (Environmental education, communication and sustainability).

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

  2. Published

    Challenges in designing ecological agriculture education: a Nordic perspective on change

    Francis, C. A., Lieblein, G., Helenius, J., Salomonsson, L., Olsen, H. & Porter, John Roy, 2001, In: Renewable Agriculture and Food Systems (Print Edition). 16, 2, p. 89-95 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Creating a Nordic regional research network in agroecology: links to MSc education

    Francis, C., Breland, T. A., Lieblein, G., Salomonsen, L., Geber, U., Sriskandarajah, N., Langer, Vibeke, Porter, John Roy & Helenius, J., 2006, Changing European farming systems for a better future: New visions for rural areas. Langeveld, H. & Röling, N. (eds.). Wageningen Academic Publishers, p. 320-324 5 p.

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

  4. Published

    Agroecology education and research: an academic platform for organic farming

    Francis, C., Breland, T. A., Lieblein, G., Moulton, M., Salomonsen, L., Geber, U., Langer, Vibeke, Sriskandarajah, N., Porter, John Roy & Helenius, J., 2006, Ikke angivet. Andreasen, C. B., Elsgaard, L., Søndergaard Sørensen, L. & Hansen, G. (eds.). Forskningscenter for Økologisk Jordbrug og Fødevaresystemer, 2 p.

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

  5. Published

    Klimakrisen kræver mere handling på den korte bane, Dan Jørgensen

    Gaarsmand Jacobsen, S., Lund, Jens Friis, Andersen, G., Jespersen, B., Porter, John Roy, Borregaard, Michael Krabbe, Richey, L. A. & Furu, Peter, 22 Feb 2021, Ræson.dk.

    Research output: Other contributionNet publication - Internet publicationCommunication

  6. Published

    Determination of biomass accumulation in mixed belts of Salix, Corylus and Alnus species in combined food and energy production system

    Ghaley, Bhim Bahadur & Porter, John Roy, 2014, In: Biomass & Bioenergy. 63, p. 86-91 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Relationship between C:N/C:O stoichiometry and ecosystem services in managed production systems

    Ghaley, Bhim Bahadur, Sandhu, H. S. & Porter, John Roy, 2015, In: P L o S One. 10, 4, 14 p., e0123869.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Emergy signature as a basis for sustainability valuation of agro-ecosystems

    Ghaley, Bhim Bahadur, Montesino San Martin, M. & Porter, John Roy, 2011. 1 p.

    Research output: Contribution to conferencePosterResearch

  9. Published

    Ecosystem function and service quantification and valuation in a conventional winter wheat production system with DAISY model in Denmark

    Ghaley, Bhim Bahadur & Porter, John Roy, 2014, In: Ecosystem Services. 10, p. 79-83 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Simulation of soil organic carbon effects on long-term winter wheat (Triticum aestivum) production under varying fertilizer inputs

    Ghaley, Bhim Bahadur, Wosten, H., Olesen, J. E., Schelde, K., Baby, S., Karki, Y. K., Borgesen, C. D., Smith, P., Yeluripati, J., Ferrise, R., Bindi, M., Kuikman, P., Lesschen, J. & Porter, John Roy, 2018, In: Frontiers in Plant Science. 9, p. 1-9 1158.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 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

  12. Published

    Soil-based ecosystem services: a synthesis of nutrient cycling and carbon sequestration assessment methods

    Ghaley, Bhim Bahadur, Porter, John Roy & Sandhu, H. S., 2014, In: The International Journal of Biodiversity Science, Ecosystems Services & Management. 10, 3, p. 177-186 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Emergy synthesis of a combined food and energy production system compared to a conventional wheat (Triticum aestivum) production system

    Ghaley, Bhim Bahadur & Porter, John Roy, 2013, In: Ecological Indicators. 24, p. 534-542 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Future contributions of crop modelling-from heuristics and supporting decision making to understanding genetic regulation and aiding crop improvement

    Hammer, G. L., Kropff, M. J., Sinclair, T. R. & Porter, John Roy, 2002, In: European Journal of Agronomy. 18, p. 15-31 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Modelling cropping systems- highlights of the symposium and preface to the special issues

    Hammer, G. L., Kropff, M. J., Sinclair, T. R. & Porter, John Roy, 2002, In: European Journal of Agronomy. 16, p. 1-11 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Scaling-up AFRCWHEAT2 model to assess phenological development for wheat in Europe

    Harrison, P. A., Porter, John Roy & Downing, T. E., 2000, In: Agricultural and Forest Meteorology. 101, p. 167-186 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. 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

  18. Published

    The physiology of crop yield

    Hay, R. K. M. & Porter, John Roy, 2006, 2. udg. ed. Oxford: Blackwell Publishing. 309 p.

    Research output: Book/ReportReportResearch

  19. Published

    Globalt læringsmiljø om et globalt problem: en beskrivelse af et tværvidenskabeligt online kursus om klimaforandringer

    Henriksen, Christian Bugge, Monty, A. & Porter, John Roy, 2010, In: Tidsskriftet Læring og Medier (LOM). 6, p. 1-21 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    E-learning, climate change and carbon footprints

    Henriksen, Christian Bugge, Monty, A. & Porter, John Roy, 2009, In: Institute of Physics Conference Series. 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  21. 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

  22. Published

    A ¤strategy for process modelling of short-rotation Salix coppice plantations

    Isebrands, J. G., Host, G. E., Bollmark, L., Porter, John Roy, Philippot, S., Stevens, E. & Rushton, K., 1996, In: Biomass & Bioenergy. (2/3), p. 245-252 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    VIII ESA Congress: book of proceedings

    Jacobsen, S., Jensen, C. R. & Porter, John Roy, 2004, Copenhagen: Center for Skov, Landskab og Planlægning/Københavns Universitet. 968 p.

    Research output: Book/ReportBookEducation

  24. Published

    Modelling CO2 effects on wheat with varying nitrogen supplies

    Jamieson, P., Berntsen, J., Ewert, F., Kimball, B. A., Olesen, J. E., Pinter, P. J., Porter, John Roy & Semenov, M., 2000, In: Agriculture, Ecosystems & Environment. 82, p. 27-37 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. 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

ID: 3148511