John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

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  1. Published

    Distribution of assimilated carbon in plants and rhizosphere soil of basket willow (Salix viminalis L.)

    de Neergaard, Andreas, Porter, John Roy & Gorissen, A., 2002, In: Plant and Soil. 245, 2, p. 307-314 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Food, hunger, health, and climate change

    Woodward, A. & Porter, John Roy, 2016, In: The Lancet. 387, 10031, p. 1886-1887 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  3. Published

    Lack of Interaction between Extreme High-Temperature Events at Vegetative and Reproductive Growth Stages in Wheat

    Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, In: Journal of Agronomy and Crop Science. 189, 3, p. 142-150 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Copenhagen experiments, improvement of the AFRCWHEAT model and application to climate change scenarios

    Wollenweber, B., Schellberg, J. & Porter, John Roy, 1997, Ikke angivet. European Commission, Fourth Framework Programme, DGXII, 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  5. Published

    Effects of water deficits and high temperature-events in wheat

    Wollenweber, B., Porter, John Roy, Jensen, C. R. & Schellberg, J., 2004, Ikke angivet. Sven-Erik Jacobsen, C. R. J. J. R. P. (ed.). Samfundslitteratur, p. 195-196 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  6. 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 proceeding › Article in proceedings › Research

  7. Published

    Effects of water deficits and high temperature-events in wheat

    Wollenweber, B., Jensen, C. R., Schellberg, J. & Porter, John Roy, 2000. 1 p.

    Research output: Contribution to conference › Paper › Research

  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 journal › Journal article › Research › peer-review

  9. Published

    Lack of interaktion between extreme high-temperature events at vegetative and reproductive growtg stages in wheat

    Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, In: Journal of Agronomy and Crop Science. 189, p. 142-150 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Temperature variability and the yield of annual crops

    Wheeler, T. R., Craufurd, P. Q., Ellis, R. H., Porter, John Roy & Prasad, P. V. V., 2000, In: Agriculture, Ecosystems & Environment. 82, p. 159-167 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Impacts of Climate Change on renewable Energy Sources and their Role in Nordic and Baltic Energy Systems: Case of Bio-Fuels: Research Notes

    Venäkäinen, A., Kellomäki, S., Sigurdsson, B., Linder, S., Porter, John Roy & Kull, O., 2007, University of Joensuu, Faculty of Forestry. 86 p.

    Research output: Book/Report › Book › Research

  12. Published

    Durum wheat quality prediction in Mediterranean environments: from local to regional scale

    Toscano, P., Gioli, B., Genesio, L., Vaccari, F. P., Miglietta, F., Zaldei, A., Crisci, A., Ferrari, E., Bertuzzi, F., La Cava, P., Ronchi, C., Silvestri, M., Peressotti, A. & Porter, John Roy, 2014, In: European Journal of Agronomy. 61, p. 1-9 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Empirical modelling of regional and national durum wheat quality

    Toscano, P., Genesio, L., Crisci, A., Vaccari, F. P., Ferrari, E., La Cava, P., Porter, John Roy & Gioli, B., 2015, In: Agricultural and Forest Meteorology. 204, p. 67-78 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Durum wheat modeling: The Delphi system, 11 years of observations in Italy

    Toscano, P., Ranieri, R., Matese, A., Vaccari, F. P., Gioli, B., Zaldei, A., Silvestri, M., Ronchi, C., La Cava, P., Porter, John Roy & Miglietta, F., 2012, In: European Journal of Agronomy. 43, p. 108-118 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Mennesker kan ikke ejes

    Toft, J. & Porter, John Roy, 1996, In: Dagbladet Information. 30

    Research output: Contribution to journal › Journal article › Communication

  16. Published

    Temperatures and the growth and development of maize and rice: a review

    Sánchez, B., Rasmussen, A. & Porter, John Roy, 2014, In: Global Change Biology. 20, 2, p. 408-417 10 p.

    Research output: Contribution to journal › Review › Research › peer-review

  17. Published

    A European science plan to sustainably increase food security under climate change

    Soussana, J., Fereres, E., Long, S. P., Mohren, F. G. M. J., Pandya-Lorch, R., Peltonen-Sainio, P., Porter, John Roy, Rosswall, T. & von Braun, J., 2012, In: Global Change Biology. 18, 11, p. 3269-3271 3 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  18. 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 proceeding › Article in proceedings › Research

  19. Published

    Risks associated with Tilletia indica, the newly-listed EU quarantine pathogen, the cause of Karnal bunt of wheat: EC 5. framework project QLK5-1999-01554

    Sansford, C., Murray, G., Brennan, J., Leth, V., Porter, John Roy, Kelly, P., Miglietta, F., Riccioni, L., Magnus, H. & Petrson, G., 2006, EC. 164 p. (Deliverable Report DL 6.1). (Deliverable Report 6.5).

    Research output: Book/Report › Report › Research

  20. Published

    The new pest risk analysis for Tilletia indica, the cause of karnal bunt of wheat, continues to support the quarantine status of the pathogen in Europe

    Sansford, C. E., Baker, R. H. A., Brennan, J. P., Ewert, F., Gioli, B., Inman, A., Kinsella, A., Magnus, H. A., Miglietta, F., Murray, G. M., Porta-Puglia, A., Porter, John Roy, Rafoss, T., Riccioni, L. & Thorne, F., 2008, In: Plant Pathology. 57, 4, p. 603-611 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Significance and value of non.traded ecosystem services on farmland

    Sandhu, H., Wratten, S., Costanza, R., Pretty, J., Porter, John Roy & Reganold, J., 2015, In: PeerJ. 3, 22 p., e762.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Experimental assessment of ecosystem services in agriculture

    Sandhu, H., Porter, John Roy & Wratten, S., 2013, Ecosystem services in agricultural and urban landscapes. Wratten, S., Sandhu, H., Cullen, R. & Costanza, R. (eds.). Wiley-Blackwell, p. 122-135 14 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  23. Published

    Making science more effective for agriculture

    Sadras, V., Alston, J., Aphalo, P., Connor, D., Denison, R. F., Fischer, T., Gray, R., Hayman, P., Kirkegaard, J., Kirchmann, H., Kropff, M., Lafitte, H. R., Langridge, P., Lenne, J., Mínguez, M. I., Passioura, J., Porter, J. R., Reeves, T., Rodriguez, D., Ryan, M. & 2 others, Villalobos, F. J. & Wood, D., 2020, Advances in Agronomy. Sparks, D. L. (ed.). Academic Press, p. 153-177 25 p. (Advances in Agronomy, Vol. 163).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  24. Published

    Crop-climate models need an overhaul

    Rötter, R. P., Carter, T. R., Olesen, J. E. & Porter, John Roy, 2011, In: Nature. 1, p. 175-177 3 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  25. Published

    Adaptation response surfaces for managing wheat under perturbed climate and CO2 in a Mediterranean environment

    Ruiz-Ramos, M., Ferrise, R., Rodríguez, A., Lorite, I. J., Bindi, M., Carter, T. R., Fronzek, S., Palosuo, T., Pirttioja, N., Baranowski, P., Buis, S., Cammarano, D., Chen, Y., Dumont, B., Ewert, F., Gaiser, T., Hlavinka, P., Hoffmann, H., Höhn, J. G., Jurecka, F. & 17 others, Kersebaum, K. C., Krzyszczak, J., Lana, M., Mechiche-Alami, A., Minet, J., Montesino Pouzols, F., Nendel, C., Porter, John Roy, Ruget, F., Semenov, M. A., Steinmetz, Z., Stratonovitch, P., Supit, I., Tao, F., Trnka, M., de Wit, C. A. & Rötter, R. P., 2018, In: Agricultural Systems. 159, p. 260-274 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Implications of crop model ensemble size and composition for estimates of adaptation effects and agreement of recommendations

    Rodríguez, A., Ruiz-Ramos, M., Palosuo, T., Carter, T. R., Fronzek, S., Lorite, I. J., Ferrise, R., Pirttioja, N., Bindi, M., Baranowski, P., Buis, S., Cammarano, D., Chen, Y., Dumont, B., Ewert, F., Gaiser, T., Hlavinka, P., Hoffmann, H., Höhn, J. G., Jurecka, F. & 17 others, Kersebaum, K. C., Krzyszczak, J., Lana, M., Mechiche-Alami, A., Minet, J., Montesino, M., Nendel, C., Porter, John Roy, Ruget, F., Semenov, M. A., Steinmetz, Z., Stratonovitch, P., Supit, I., Tao, F., Trnka, M., de Wit, A. & Rötter, R. P., 2019, In: Agricultural and Forest Meteorology. 264, p. 351-362 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    The role of uncertainty in climate change adaptation strategies - a Danish water management example

    Refsgaard, J. C., Arnbjerg-Nielsen, K., Drews, M., Halsnæs, K., Jeppesen, E., Madsen, H., Markandya, A., Olesen, J. E., Porter, John Roy & Christensen, J. H., 2013, In: Mitigation and Adaptation Strategies for Global Change. 18, 3, p. 337-359 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Agriculture and technology

    Porter, John Roy & Rasmussen, Jesper, 2009, A companion to the philosophy of technology. Olsen, J. K. B., Pedersen, S. A. & Hendricks, V. F. (eds.). Wiley-Blackwell, p. 285-288 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  29. Published

    Food security: focus on agriculture

    Porter, John Roy, Challinor, A., Ewert, F., Falloon, P., Fischer, T., Gregory, P., Van Ittersum, M. K., Olesen, J. E., Moore, K. J., Rosensweig, C. & Smith, P., 2010, In: Science. 328, p. 172 1 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  30. Published

    Food security and food production systems

    Porter, John Roy, Xie, L., Challinor, A. J., Cochrane, K., Howden, S. M., Iqbal, M. M., Lobell, D. B. & Travasso, M. I., 2014, Climate Change 2014: Impacts, Adaptation, and Vulnerability. Cambridge University Press, p. 485-533 53 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  31. Published

    Vi skal brødføde ni milliarder

    Porter, John Roy, Streibig, Jens Carl & Weiner, Jacob, 1 Sep 2011, In: Weekendavisen Berlingske. p. 11 1 p.

    Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  32. Published

    How will growing cities eat?

    Porter, John Roy, Deutsch, L., Dumaresq, D. & Dyball, R., 2011, In: Nature. 469, p. 34 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  33. Published

    Feedings Capitals: Security and Sovereignty of Food and Land in Canberra, Copenhagen and Tokyo

    Porter, John Roy, 2010, Green Revolution 2.0: Food+Energy and Environmental Security: Session 52: Symposium--Global Food Security in a Changing Climate. American Society of Agronomy, p. s. 71

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  34. Published

    Ecosystem services from agriculture

    Porter, John Roy & Sigsgaard, L, Apr 2008, Ecosystem Services and Drivers of Biodiversity Change. Report of the RUBICODE electronic conference. Grant, F., Harrison, J., Sykes, P., Skourtos, M., Rounsevell, M., Kluvánková-Oravská, T., Settele, J., Musche, M., Anton, C. & Watt, A. (eds.). p. 33 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  35. Published

    Security and sovereignty of food and land in Camberra, Copenhagen and Tokoy

    Porter, John Roy, Deutsch, L., Dumaresq, D., Dyball, R. A. & Kazuhiko, T., 2010, The Ecological Society of America95th Annual Meeting,.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  36. Published

    Biofuels: putting current practices in perspective

    Porter, John Roy, Chirinda, N., Felby, C. & Olesen, J. E., 2008, In: Science. 320, 5882, p. 1420-1420 1 p.

    Research output: Contribution to journal › Comment/debate › Research

  37. Published

    Climate Change and Agriculture: The heart of a perfect storm

    Porter, John Roy, 2010, Abstracts of Papers. International Institute for Bet Research, p. 2-3

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  38. Published

    Danish agriculture and its sustainability: a profile

    Porter, John Roy & Hjort Petersen, E., 1997, In: Ambio. 26, 7, p. 462-465 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Food security and food production systems

    Porter, John Roy, Xie, L., Challinor, A., Cochrane, K., Howden, M., Iqbal, M. M., Lobell, D. & Travasso, M. I., 2014, Fifth Assessment Report of the Intergovernmental Panel on Climate Change. p. 1-82 82 p.

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review

  40. Published

    Det europæiske fødevaresystem og fremtidens scenarier for landbrug

    Porter, John Roy, Porter, H. R. B. & Olesen, J. E., 2010, In: Geografisk Orientering. 2

    Research output: Contribution to journal › Journal article › Research

  41. 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 journal › Comment/debate › Research › peer-review

  42. Published

    Læbælter til energi og marker til fødevareproduktion

    Porter, John Roy, Sigsgaard, L, Sandhu, H. S., Wratten, S. D., Costanza, R. & Dennis, B., 2010, In: Jord og Viden. 155, 5, p. 18-19

    Research output: Contribution to journal › Journal article › Research

  43. Aggregation of Phytophthora drechsleri zoospores; pattern analysis suggests a taxis

    Porter, John Roy & Shaw, D. S., 1978, In: Transactions of the British mycological Society. 71, p. 515 518 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    The value of producing food, energy, and ecosystem services within an agro-ecosystem

    Porter, John Roy, Constanza, R., Sandhu, H., Sigsgaard, L & Wratten, S., 2009, In: Ambio. 38, 4, p. 186-193 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Considering agriculture in IPCC assessments

    Porter, John Roy, Howden, M. & Smith, P., 2017, In: Nature Climate Change. 7, 10, p. 680-683 4 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  46. Published

    Recasting economics as if the climate and global ecology really mattered

    Porter, John Roy, Howden, M., Smith, P. & Stokholm, M. S., 2017, In: Consilience: The Journal of Sustainable Development. 17, 1, p. 220-229 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Edited plants should not be patented: gene editing

    Porter, John Roy, Durand, J. & Elmayan, T., 2016, In: Nature. 530, 7588, p. 33 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  48. Published

    Agronomy as the science of sustainable food production

    Porter, John Roy, 2011, Climate change: challenges and opportunities in agriculture. AGRISAFE, p. 12-15 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  49. Published

    The Copenhagen Climate Congress - future agricultural production and climate change

    Porter, John Roy, 2009, In: FNAT. 4, p. 10-11 2 p.

    Research output: Contribution to journal › Journal article › Communication

  50. Published

    Deconstructing crop processes and models via identities

    Porter, John Roy & Christensen, Svend, 2013, In: Plant, Cell and Environment. 36, 11, p. 1919-1925 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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