John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

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  1. Published

    Soil temperature manipulation to study global warming effects in arable land: performance of buried heating-cable method

    Patil, R. H., Laegdsmand, M., Olesen, J. E. & Porter, John Roy, 2013, In: Environment and Ecology Research. 1, 4, p. 196-204 9 p.

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

  2. Published

    Verdens bønder - fremtidens helte

    Olofsdotter, M. & Porter, John Roy, 2000, In: Morgenavisen Jyllands-Posten. 21, 1 p.

    Research output: Contribution to journal › Journal article › Communication

  3. Published

    Review and analysis of vulnerability to rainfall variability and policy responses to agricultural water supply in Nigeria

    Olayide, O. E., Tetteh, I. K., Porter, John Roy & Popoola, L., 2016, In: Journal of Food, Agriculture and Environment. 14, 2, p. 152-155 4 p.

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

  4. Published

    Sustainability and biological interactions in a combined food and energy cropping system

    de Neergaard, Andreas, Langer, Vibeke, Kuemmel, B., Føreid, B. & Porter, John Roy, 2000. 1 p.

    Research output: Contribution to conference › Paper › Research

  5. 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 journal › Journal article › Research › peer-review

  6. Published

    GLP (2005) Science Plan and Implementation Strategy. IGPB Report No. 53/IHDP Report No. 19

    Moran, E., Ojima, D., Buchmann, N., Canadell, J., Graumlich, L., Jackson, R., Jaramillo, V., Lavorel, S., Leadly, P., Matson, P., Murdiyarso, D., Porter, John Roy, Pfaff, A., Pitelka, L., Rajan, K., Ramankutty, N., Turner, B. & Yagi, K., 2005, Stockholm: EGBP Secretariat. 64 p.

    Research output: Book/Report › Report › Communication

  7. Published

    Temperature, CO2 and the growth and development of wheat: changes in the mean and variability of growing conditions

    Moot, D. J., Henderson, A. L., Porter, John Roy & Semenov, M. A., 1996, In: Climatic Change. 33, 3, p. 351-368 18 p.

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

  8. Published

    Rate of change in harvest index during grain-filling of wheat

    Moot, D. J., Jamieson, P. D., Henderson, A. L., Ford, M. A. & Porter, John Roy, 1996, In: Journal of Agricultural Science. 126, p. 387-395 9 p.

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

  9. Published

    Data requirements for crop modelling - applying the learning curve approach to the simulation of winter wheat flowering time under climate change

    Montesino San Martin, M., Wallach, D., Olesen, J. E., Challinor, A. J., Hoffman, M. P., Koehler, A. K., Roetter, R. P. & Porter, John Roy, 2018, In: European Journal of Agronomy. 95, p. 33-44 12 p.

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

  10. Published

    Can crop-climate models be accurate and precise? A case study for wheat production in Denmark

    Montesino San Martin, M., Olesen, J. E. & Porter, John Roy, 2015, In: Agricultural and Forest Meteorology. 202, p. 51-60 10 p.

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

  11. Published

    A genotype, environment and management (GxExM) analysis of adaptation in winter wheat to climate change in Denmark

    Montesino San Martin, M., Olesen, J. E. & Porter, John Roy, 2014, In: Agricultural and Forest Meteorology. 187, p. 1-13 13 p.

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

  12. Published

    Ten facts about land systems for sustainability

    Meyfroidt, P., de Bremond, A., Ryan, C. M., Archer, E., Aspinall, R., Chhabra, A., Camara, G., Corbera, E., DeFries, R., Díaz, S., Dong, J., Ellis, E. C., Erb, K. H., Fisher, J. A., Garrett, R. D., Golubiewski, N. E., Grau, H. R., Grove, J. M., Haberl, H., Heinimann, A. & 30 others, Hostert, P., Jobbágy, E. G., Kerr, S., Kuemmerle, T., Lambin, E. F., Lavorel, S., Lele, S., Mertz, Ole, Messerli, P., Metternicht, G., Munroe, D. K., Nagendra, H., Nielsen, J. Ø., Ojima, D. S., Parker, D. C., Pascual, U., Porter, John Roy, Ramankutty, N., Reenberg, A., Roy Chowdhury, R., Seto, K. C., Seufert, V., Shibata, H., Thomson, A., Turner, B. L., Urabe, J., Veldkamp, T., Verburg, P. H., Zeleke, G. & Zu Ermgassen, E. K. H. J., 2022, In: Proceedings of the National Academy of Sciences of the United States of America. 119, 7, 12 p., e2109217118.

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

  13. 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 journal › Journal article › Research › peer-review

  14. Published

    A dynamic Model of the Effects of nitrogen Fertilisation, Water Deficit and Temperature on grain protein level and composition for Bread Wheat (Triticum Aestivum L.)

    Martre, P., Porter, John Roy, Jamieson, P., Henton, S. M. & Triboï, E., 2003. 4 p.

    Research output: Contribution to conference › Paper › Research

  15. 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 conference › Paper › Research

  16. Published

    Modeling Grain Nitrogen Accumulation and Protein Composition to Understand the Sink/Source Regulation of Nitrogen Romobilisation for Wheat

    Martre, P., Porter, John Roy, Jamieson, P. & Triboï, E., 2003, In: Plant Physiology. 133, p. 1959-1967 8 p.

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

  17. 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 proceeding › Book chapter › Communication

  18. Published

    Spring Wheat Leaf Appearance and Temperature: Extending the Paradigm?

    MCMaster, G. S., Wilhelm, W. W., Palic, D. B. & Porter, John Roy, 2003, In: Annals of Botany. 91, 6, p. 697-705 8 p.

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

  19. 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

  20. Published

    Choice of the Ångström-Prescott coefficients: are time-dependent ones better than fixed ones in modelling globat solar irradiance?

    Liu, X., Mei, X., Li, Y., Porter, John Roy, Wang, Q. & Zhang, Y., 2010, In: Energy Conversion and Management. 51, 12, p. 2565-2574 10 p.

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

  21. Published

    Assessing models for parameters of the Ångström-Prescott formula in China

    Liu, X., Xu, Y., Zhong, X., Zhang, W., Porter, John Roy & Liu, W., 2012, In: Applied Energy. 96, p. 327-338 12 p.

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

  22. 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

  23. Published

    Variation in reference crop evapotranspiration caused by the Ångström-Prescott coefficient: locally calibrated versus the FAO recommended

    Liu, X., Mei, X., Li, Y., Wang, Q., Zhang, Y. & Porter, John Roy, 2009, In: Agricultural Water Management. 96, 7, p. 1137-1145 9 p.

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

  24. Published

    Global wheat production with 1.5 and 2.0°C above pre-industrial warming

    Liu, B., Martre, P., Ewert, F., Porter, J. R., Challinor, A. J., Müller, C., Ruane, A. C., Waha, K., Thorburn, P. J., Aggarwal, P. K., Ahmed, M., Balkovič, J., Basso, B., Biernath, C., Bindi, M., Cammarano, D., De Sanctis, G., Dumont, B., Espadafor, M., Eyshi Rezaei, E. & 37 others, Ferrise, R., Garcia-Vila, M., Gayler, S., Gao, Y., Horan, H., Hoogenboom, G., Izaurralde, R. C., Jones, C. D., Kassie, B. T., Kersebaum, K. C., Klein, C., Koehler, A., Maiorano, A., Minoli, S., Montesino San Martin, M., Naresh Kumar, S., Nendel, C., O'Leary, G. J., Palosuo, T., Priesack, E., Ripoche, D., Rötter, R. P., Semenov, M. A., Stöckle, C., Streck, T., Supit, I., Tao, F., Van der Velde, M., Wallach, D., Wang, E., Webber, H., Wolf, J., Xiao, L., Zhang, Z., Zhao, Z., Zhu, Y. & Asseng, S., Apr 2019, In: Global Change Biology. 25, 4, p. 1428-1444

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

  25. Published

    Agroecology: a flagship NOVA program

    Lieblein, G., Bretland, T. A., Francis, C. A., Sriskandarajah, N., Langer, Vibeke, Porter, John Roy, Salomonsen, L., Gerber, U. & Helenius, J., 2005, 10 NOVA University Network Years. The Nordic Forestry, Veterinary and Agricultural University Network, p. 52-53 2 p.

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

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