John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

Publication year:
All
101 - 125 out of 206Page size: 25
  1. 2006
  2. 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 proceeding › Report chapter › Research

  3. 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

  4. 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/Report › Report

  5. 2007
  6. Published

    Afgrødernes respons på klimaændringer

    Porter, John Roy, 2007. 2 p.

    Research output: Contribution to conference › Paper › Research

  7. Published

    Bioethanol i tanken udelukker ikke mad i maven

    Felby, C., Streibig, Jens Carl & Porter, John Roy, 2007, In: Dagbladet Information. 2 p.

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

  8. Published

    Choosing crops as energy feedstocks

    Porter, John Roy, Kirsch, M. M. N., Streibig, Jens Carl & Felby, C., 2007, In: Nature Biotechnology. 25, 7, p. 716-717 1 p.

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

  9. Published

    Crop models, CO2, and Climate Change

    Ewert, F., Porter, John Roy & Rounsevell, M. D. A., 2007, In: Science. 315, 5811, p. 459 1 p.

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

  10. 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

  11. Published

    In memoriam Dr. P.H. (Pieter) Vereijken

    Porter, John Roy (ed.) & Spiertz, H., 2007, In: European Journal of Agronomy. 27, 2-4, p. iii-iv 2 p.

    Research output: Contribution to journal › Journal article › Communication

  12. Published

    Reconciling alternative models of phenological development in winter wheat

    Jamieson, P. D., Brooking, I. R., Semenov, M. A., McMaster, G. S., White, J. W. & Porter, John Roy, 2007, In: Field Crops Research. 103, 1, p. 36-41 6 p.

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

  13. Published

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

    Porter, John Roy, Costanza, R., Sigsgaard, L, Sandhu, H. S. & Wratten, S. D., 2007, Nature Precedings, 27 p.

    Research output: Working paper › Research

  14. Published

    Wheat production systems and global climate change: chapter 16

    Porter, John Roy, Jamieson, P. D. & Grace, P. R., 2007, Terrestrial ecosystems in a changing world. Canadell, J. G., Pataki, D. & Pitelka, L. (eds.). Berlin: Kluwer Academic Publishers, p. 195-209 15 p. (Global Change - The IGBP Series).

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

  15. Published

    We must know what is green before we tax

    Porter, John Roy, Bindi, M., Olesen, J. E. & Smith, P., 13 Nov 2007, In: Times Online. 1 p.

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

  16. 2008
  17. 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

  18. Published

    En global kulstofbank mod CO2-udslip

    Porter, John Roy & Streibig, Jens Carl, 2008, In: Berlingske Tidende. p. 23 1 p.

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

  19. 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

  20. 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

  21. 2009
  22. 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

  23. Published

    Biomass for biofuels - the challenge and a possible way forward

    Felby, C., Porter, John Roy, Rasmussen, S., Schjoerring, Jan K., Nielsen, T. H., Sakuragi, Y. & Willats, W. G. T., 2009. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  24. Published

    Calibration of the Ångström-Prescott coefficients (a, b) under different time scales and their impacts in estimating global solar radiation in the Yellow River basin

    Liu, X., Mei, X., Li, Y., Zhng, Y., Wang, Q., Jensen, J. R. & Porter, John Roy, 2009, In: Agricultural and Forest Meteorology. 149, 3-4, p. 697-710 14 p.

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

  25. Published

    Chemical stress can increase crop yield

    Cedergreen, Nina, Felby, C., Porter, John Roy & Streibig, Jens Carl, 2009, In: Field Crops Research. 114, 1, p. 54-57 4 p.

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

  26. 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 journal › Conference abstract in journal › Research

  27. Published

    Evaluation of temperature-based global solar radiation models in China

    Liu, X., Mei, X., Li, Y., Wang, Q., Jensen, J. R., Zhang, Y. & Porter, John Roy, 2009, In: Agricultural and Forest Meteorology. 149, 9, p. 1433-1446 14 p.

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

  28. 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

  29. 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

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ID: 3148511