John Roy Porter

John Roy Porter

Professor, emeritus

ORCID: 0000-0002-0777-3028

Publication year:
All
1 - 119 out of 119Page size: 500
  1. 2022
  2. 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

  3. 2021
  4. Published

    Deconstructing agronomic resource use efficiencies to increase food production

    Porter, John Roy, Thorburn, P. J., Brown, H. E., Teixeira, E. I., Moot, D. J., Mills, A. & Christensen, Svend, 2021, In: Italian Journal of Agronomy. 16, 3, 6 p., 1694.

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

  5. Published

    Evaluation of Sustainability of Irrigated Crops in Arid Regions, China

    Fan, F., Li, B., Zhang, W., Porter, John Roy & Zhang, F., 2021, In: Sustainability. 13, 1, 15 p., 342.

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

  6. 2020
  7. 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 journal › Letter › Research › peer-review

  8. 2019
  9. Published

    Invited review: Intergovernmental Panel on Climate Change, agriculture, and food—A case of shifting cultivation and history

    Porter, John Roy, Challinor, A. J., Henriksen, Christian Bugge, Howden, S. M., Martre, P. & Smith, P., 1 Aug 2019, In: Global Change Biology. 25, 8, p. 2518-2529

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

  10. Published

    Effects and relationships of grazing intensity on multiple ecosystem services in the Inner Mongolian steppe

    Fan, F., Liang, C., Tang, Y., Harker-Schuch, I. & Porter, John Roy, 20 Jul 2019, In: Science of the Total Environment. 675, p. 642-650

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

  11. 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

  12. Published

    Climate change impact and adaptation for wheat protein

    Asseng, S., Martre, P., Maiorano, A., Roetter, R. P., O'Leary, G. J., Fitzgerald, G. J., Girousse, C., Motzo, R., Giunta, F., Babar, M. A., Reynolds, M. P., Kheir, A. M. S., Thorburn, P. J., Waha, K., Ruane, A. C., Aggarwal, P. K., Ahmed, M., Balkovic, J., Basso, B., Biernath, C. & 47 others, Bindi, M., Cammarano, D., Challinor, A. J., De Sanctis, G., Dumont, B., Rezaei, E. E., Fereres, E., Ferrise, R., Garcia-Vila, M., Gayler, S., Gao, Y., Horan, H., Hoogenboom, G., Izaurralde, R. C., Jabloun, M., Jones, C. D., Kassie, B. T., Kersebaum, K., Klein, C., Koehler, A., Liu, B., Minoli, S., San Martin, M. M., Mueller, C., Kumar, S. N., Nendel, C., Olesen, J. E., Palosuo, T., Porter, John Roy, Priesack, E., Ripoche, D., Semenov, M. A., Stockle, C., Stratonovitch, P., 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. & Ewert, F., 2019, In: Global Change Biology. 25, 1, p. 155-173

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

  13. 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

  14. 2018
  15. Published

    Long-term effects of conversion to organic farming on ecosystem services - a model simulation case study and on-farm case study in Denmark

    Fan, F., Henriksen, Christian Bugge & Porter, John Roy, 28 May 2018, In: Agroecology and Sustainable Food Systems. 42, 5, p. 504-529 26 p.

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

  16. 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

  17. 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

  18. Published

    Relationship between stoichiometry and ecosystem services: a case study of organic farming systems

    Fan, F., Henriksen, Christian Bugge & Porter, John Roy, 2018, In: Ecological Indicators. 85, p. 400-408 9 p.

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

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

  20. 2017
  21. 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

  22. Published

    Contribution of crop models to adaptation in wheat

    Chenu, K., Porter, John Roy, Martre, P., Basso, B., Chapman, S. C., Ewert, F., Bindi, M. & Asseng, S., 2017, In: Trends in Plant Science. 22, 6, p. 472-490 19 p.

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

  23. 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

  24. 2016
  25. Published

    Agricultural production and greenhouse gas emissions from world regions - the major trends over 40 years

    Bennetzen, E. H., Smith, P. & Porter, John Roy, 2016, In: Global Environmental Change. 37, p. 43-55 13 p.

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

  26. Published

    Decoupling of greenhouse gas emissions from global agricultural production: 1970-2050

    Bennetzen, E. H., Smith, P. & Porter, John Roy, 2016, In: Global Change Biology. 22, 2, p. 763-781 19 p.

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

  27. 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

  28. Published

    Food and nutritional security requires adequate protein as well as energy, delivered from whole-year crop production

    Coles, G. D., Wratten, S. D. & Porter, John Roy, 2016, In: PeerJ. 4, 17 p., e2100.

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

  29. 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

  30. 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

  31. Published

    Valuation of ecosystem services in organic cereal crop production systems with different management practices in relation to organic matter input

    Fan, F., Henriksen, Christian Bugge & Porter, John Roy, 2016, In: Ecosystem Services. 22, Part A, p. 117-127 11 p.

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

  32. 2015
  33. 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

  34. Published

    Crop modelling for integrated assessment of risk to food production from climate change

    Ewert, F., Rötter, R. P., Bindi, M., Webber, H., Trnka, M., Kersebaum, K. C., Olesen, J. E., van Ittersum, M. K., Janssen, S., Rivington, M., Semenov, M. A., Wallach, D., Porter, J. R., Stewart, D., Verhagen, J., Gaiser, T., Palosuo, T., Tao, F., Nendel, C., Roggero, P. P. & 2 others, Bartosová, L. & Asseng, S., 2015, In: Environmental Modelling & Software. 72, p. 287-303 17 p.

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

  35. 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

  36. 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 journal › Comment/debate › Research

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

  38. 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

  39. 2014
  40. 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

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

  42. 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

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

  44. 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

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

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

  47. 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

  48. 2013
  49. 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

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

  51. 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

  52. 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

  53. 2012
  54. 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

  55. 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

  56. 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

  57. Published

    Identity-based estimation of greenhouse gas emissions from crop production: case study from Denmark

    Bennetzen, E. H., Smith, P., Soussana, J. & Porter, John Roy, 2012, In: European Journal of Agronomy. 41, p. 66-72 7 p.

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

  58. Published

    Root carbon input in organic and inorganic fertilizer-based systems

    Chirinda, N., Olesen, J. E. & Porter, John Roy, 2012, In: Plant and Soil. 359, 1-2, p. 321-333 13 p.

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

  59. Published

    Sensitivity of crop yield and N losses in winter wheat to changes in mean and variability of temperature and precipitation in Denmark using the FASSET model

    Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2012, In: Acta Agriculturae Scandinavica. Section B. Soil and Plant Science. 62, 4, p. 335-351 17 p.

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

  60. 2011
  61. 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

  62. 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

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

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

  65. Published

    Simulating soil N2O emissions and heterotrophic CO2 respiration in arabe systems using FASSET and MoBiLE-DNDC

    Chirinda, N., Kracher, D., Lægdsmand, M., Porter, John Roy, Olesen, J. E., Petersen, B. M., Doltra, J., Kiese, R. & Butterbach-Bahl, K., 2011, In: Plant and Soil. 343, 1-2, p. 139-160 22 p.

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

  66. 2010
  67. 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

  68. 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

  69. Published

    Effect of soil warming and rainfall patterns on soil N cycling in northern Europe

    Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2010, In: Agriculture, Ecosystems & Environment. 139, 1-2, p. 195-205 11 p.

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

  70. Published

    Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types

    Chirinda, N., Carter, M. S., Albert, K. R., Ambus, Per Lennart, Olesen, J. E., Porter, John Roy & Petersen, S. O., 2010, In: Agriculture, Ecosystems & Environment. 136, 3-4, p. 199-208 10 p.

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

  71. 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

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

  73. Published

    Growth and yield response of winter wheat to soil warming and rainfall patterns

    Patil, R. H., Lægdsmand, M., Olesen, J. E. & Porter, John Roy, 2010, In: Journal of Agricultural Science. 148, 5, p. 553-566 14 p.

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

  74. 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

  75. Published

    Soil properties, crop production and greenhouse gas emissions from organic and inorganic fertilizer-based arable cropping systems

    Chirinda, N., Olesen, J. E., Porter, John Roy & Schjønning, P., 2010, In: Agriculture, Ecosystems & Environment. 139, 4, p. 584-594 11 p.

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

  76. Published

    The Rubisco enzyme and agricultural productivity

    Porter, John Roy & Wollenweber, B., 2010, In: Nature Correspondence. 463, 7283, p. 876 1 p.

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

  77. 2009
  78. 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

  79. 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

  80. 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

  81. 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

  82. 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

  83. 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

  84. 2008
  85. 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

  86. 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

  87. 2007
  88. 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

  89. 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

  90. 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

  91. 2006
  92. 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

  93. 2005
  94. Published

    Crop responses to climatic variation: Papers of a Discussion Meeting held at The Royal Society on 26 and 27 April 2005 Food crops an a changing climate

    Porter, John Roy & Semenov, M. A., 2005, In: Philosophical Transactions of the Royal Society of London. Biological Sciences. 360, 1463, p. 2021-2035 15 p.

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

  95. 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

  96. 2003
  97. Published

    Agroecology, scaling and interdisciplinarity

    Porter, John Roy, Dalgaard, T. & Hutchings, N. J., 2003, In: Agriculture Acosystems & Environment. 100, 1, p. 39-51 13 p.

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

  98. Published

    Food and fibre

    Porter, John Roy, Green, K., Ingram, J. & Jaeger, J., 2003, In: Global Problems - Global Science - Europes contribution to global change research. ESF forward Look Report. 1, p. 45-56 11 p.

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

  99. 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

  100. 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

  101. 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

  102. 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

  103. 2002
  104. 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

  105. Published

    Effects of elevated CO/sub 2/ and drought on wheat: testing crop simulation models for different experimental and climatic conditions

    Ewert, F., Rodriguez, D., Jamieson, P., Semenov, M. A., Mitchell, R. A. C., Goudriaan, J., Porter, John Roy, Kimball, B. A., Pinter, P. J., Manderscheid, R., Weigel, H. J., Fangmeier, A., Fereres, E. & Villalobos, F., 2002, In: Agriculture, Ecosystems & Environment. 93, p. 249-266 18 p.

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

  106. Published

    Effects of windbreak strips of willow coppice: modelling and field experiment on barley in Denmark

    Foereid, B., Bro, Rasmus, Mogensen, V. O. & Porter, John Roy, 2002, In: Agriculture, Ecosystems & Environment. 93, 1-3, p. 25-32 8 p.

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

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

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

  109. 2001
  110. Published

    A model for fossil energy use in Danish agriculture used to compare organic and conventional farming

    Dalgaard, T., Halberg, N. & Porter, John Roy, 2001, In: Agriculture, Ecosystems & Environment. 87, p. 51-65 15 p.

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

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

  112. 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

  113. 2000
  114. Published

    Future education in ecological agriculture and food systems: a student-faculty evaluation and planning process

    Lieblein, G., Francis, C., Barth-Eide, W., Torjusen, H., Solberg, S., Salomonsson, L. V., Ekblad, G., Persson, P., Helenius, J., Loiva, M., Seppänen, L., Kahiluoto, H., Porter, John Roy, Olsen, H., Sriskandarajah, N., Mikk, M. & Flora, C., 2000, In: Journal of Sustainable Agriculture. 16, 4, p. 49-69 21 p.

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

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

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

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

  118. 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

  119. 1999
  120. Published

    Climate variability and crop yields in Europe

    Porter, John Roy & Semenov, M. A., 1999, In: Nature. 400, 6746, p. 724 1 p.

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

  121. Published

    Comments on "Testing winter wheat simulation models predictions against observed UK grain yields" by Landau et al. (1998)

    Jamieson, P. D., Porter, John Roy, Semenov, M. A., Brooks, R. J., Ewert, F. & Ritchie, J. T., 1999, In: Agricultural and Forest Meteorology. 96, p. 157-161 5 p.

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

  122. Published

    Simulation of growth and development processes of spring wheat in response to CO2 and ozone for different sites and years in Europe using mechanistic crop simulation models

    Ewert, F., Oijen, M. V. & Porter, John Roy, 1999, In: European Journal of Agronomy. 10, p. 231-247 17 p.

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

  123. Published

    Temperatures and the growth and development of wheat: a review

    Porter, John Roy & Gawith, M., 1999, In: European Journal of Agronomy. 10, p. 23-36 14 p.

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

  124. 1998
  125. 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 journal › Journal article › Research › peer-review

  126. Published

    Energetic, economic and ecological balances of a combined food and energy system

    Kuemmel, B., Langer, Vibeke, Magid, Jakob, de Neergaard, Andreas & Porter, John Roy, 1998, In: Biomass & Bioenergy. (4/5), p. 407-416 10 p.

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

  127. Published

    Making sense of wheat development: a critique of methodology

    Jamieson, P. D., Brooking, I. R., Semenov, M. A. & Porter, John Roy, 1998, In: Field Crops Research. 55, p. 117-127 11 p.

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

  128. 1997
  129. 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

  130. Published

    Final report of Long Ashton Research Station (UK) to the European Stress Physiology and Climate Experiment

    Porter, John Roy & Ewert, F., 1997, In: Project 1 : wheat. EV5V-CT93-0301, 18 p.

    Research output: Contribution to journal › Journal article › Research

  131. Published

    Modelling crop yields under climate change

    Porter, John Roy & Semenov, M. A., 1997, In: Eurostat. 1997, p. 349-366 18 p.

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

  132. Published

    Modelling ozone effects on wheat in relation to elevated CO2 and weather: short-term to seasonal responses of leaf photosynthesis

    Ewert, F. & Porter, John Roy, 1997, In: Plant, Cell and Environment. 1997

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

  133. Published

    Modelling the effects of CO2 and ozone on growth and development of spring wheat in response to climatic conditions: final report of the Royal Veterinary and Agricultural University (DK) to the European Stress Physiology and Climate Experiment

    Ewert, F. & Porter, John Roy, 1997, In: Project 1 : wheat. EV5V-CT93-0301, 38 p.

    Research output: Contribution to journal › Journal article › Research

  134. Published

    Patent nonsense

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

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

  135. Published

    Plant modification needs more discussion

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

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

  136. 1996
  137. Published

    A ¤simulation study of crop growth and development under climate change

    Peiris, D. R., Crawford, J. W., Grashoff, C., Jefferies, R. A., Porter, John Roy & Marshall, B., 1996, In: Agricultural and Forest Meteorology. 79, p. 271-287 17 p.

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

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

  139. Published

    Demographic approaches to studies of canopy development in plants

    Porter, John Roy, 1996, In: Biomass & Bioenergy. (2-3), p. 207-214 8 p.

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

  140. Published

    Landbruget: energi og fødevareproduktion i et samlet system?

    Porter, John Roy & Olsen, H., 1996, In: Naturens Verden. 9, p. 321-326 6 p.

    Research output: Contribution to journal › Journal article › Research

  141. 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

  142. 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

  143. Published

    Temperature, plant development and crop yields

    Atkinson, D. & Porter, John Roy, 1996, In: Trends in Plant Science. 1, 4, 6 p.

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

  144. Published

    Use of AFRCWHEAT2 to predict the development of main stem and tillers in winter triticale and winter wheat in North East Germany

    Ewert, F., Porter, John Roy & Honermeier, B., 1996, In: European Journal of Agronomy. 5, p. 89-103 15 p.

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

  145. 1978

  146. 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

ID: 3148511