John Roy Porter
Professor, emeritus
Section for Crop Sciences
Højbakkegård Allé 13
2630 Taastrup
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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, , 2019, In: Global Change Biology. 25, 1, p. 155-173Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Combining af disease model with a crop phenology model to assess and map pest risk; Karnal bunt disease (Tilletia indica) of wheat in Europe
Baker, R. H. A., Sansford, C. E., Gioli, B., Miglietta, F., Porter, John Roy & Ewert, F., 2005, Ikke angivet. Christian Ejlers, 6 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Conseil scientifique national de I'INRA: rapport de synthése du groupe de travail sur la propriété intellectuelle sur les connaissances dans le secteur végétal
Barbier-Brygoo, H., Chilliard, Y., Durand, J., Elmayan, T., Goldringer, I. & Porter, John Roy, 2014, INRA. 64 p.Research output: Book/Report › Report › Research › peer-review
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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
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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
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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
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Position statement on climate change
Boote, K. J., Brouder, S. M., Clay, D., Gepts, P., Hatfield, J. L., Hillel, D., Izaurralde, R. C., Mosier, A. R., Porter, John Roy, Rosenzweig, C. E., Rice, C. W. & Climate Change Working Group, C. C. W. G., 2011, American Society of Agronomy. 12 p.Research output: Book/Report › Book › Research › peer-review
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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
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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
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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
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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
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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
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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
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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
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Analyse af IPCC delrapport 2 - Effekter, klimatilpasning og sårbarhed: med særligt fokus på Danmark
Christensen, J. H., Arnbjerg-Nielsen, K., Grinsted, Aslak, Halsnæs, K., Jeppesen, E., Madsen, H., Olesen, J. E., Porter, John Roy, Refsgaard, J. C. & Olesen, M., 2014, København: Miljøministeriet, Naturstyrelsen. 54 p.Research output: Book/Report › Report › Research
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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
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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
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Quantification of uncertainty in climate change impact assessment
Downing, T. E., Barrow, E. M., Brooks, R. J., Butterfield, R. E., Carter, T. R., Harrison, P. A., Hulme, M., Olesen, J. E., Porter, John Roy, Schellberg, J., Semenov, M. A., Vinther, F. P., Wheeler, T. R. & Wolf, J., 2000, Climate change, climatic variability and agriculture in Europe : an integrated assessment. Downing, T. E., Harrison, P. A., Butterfield, R. E. & Lonsdale, K. G. (eds.). p. 415-434 20 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Effects on willow
Evans, L. G., Eckersten, H., Semenov, M. A. & Porter, John Roy, 1995, Climate change and agriculture in Europe. Harrison, P. A., Butterfield, R. E. & Downing, T. E. (eds.). Oxford: Environmental Change Unit, p. 220-223 4 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Annual report 1995 on the ESPACE-Wheat research at Long Ashton Research Station (UK) and Taastrup (DK)
Ewert, F. & Porter, John Roy, 1996, ESPACE-Wheat : European Stress Physiology and Climate Experiment : project 1: Wheat : progress report. Hertstein, U. & Jäger, H-J. (eds.). p. 41-50 10 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
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Modelling the effects of Co2 and drought on wheat for different climatic conditions and cultivars
Ewert, F., Rodriguez, D., Jamieson, P., Semenov, M. A., Mitchell, R. A. C., Goudriaan, J., Porter, John Roy, Manderscheid, R., Weigel, H. J., Fangmeier, A., Fereres, E. & Villalobos, F., 2000, Improving wheat model accuracy and suitability for regional impact assessment 1998-2000 : IMPETUS final report: EC project ENV4-CT97-0496. p. 108-136 29 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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
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Modelling CO2 effects on wheat with varying water supply
Ewert, F., Rodriguez, D., Mitchell, R. A. C., Semenov, M., Porter, John Roy, Goudriaan, J., Jamieson, P., Kimball, B. A., Manderscheid, R., Fangmeier, A. & Fereres, E., 2000. 1 p.Research output: Contribution to conference › Paper › Research
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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
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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. 1997Research output: Contribution to journal › Journal article › Research › peer-review
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Predicting potential distribution of karnal bunt (Tilletia indica) of wheat
Ewert, F., Baker, R., Porter, John Roy, Gioli, B., Miglietta, F. & Sansford, C., 2002. 2 p.Research output: Contribution to conference › Paper › Research
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The ¤use of phenological data and models in a pest risk analyses for karnal bunt (Tilletia indica) in wheat across Europe
Ewert, F., Porter, John Roy, Miglietta, F., Gioli, B., Baker, R. & Sansford, C., 2001, The ¤times they are changing : book of abstratcs. p. 15 1 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Modelling effects of ozone exposure, elevated CO2 and weather on wheat
Ewert, F. & Porter, John Roy, 1999. 2 p.Research output: Contribution to conference › Paper › Research
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Experimental variability in wheat responses to elevated CO2 and ozone: an analysis of open-top chamber experiments by means of mechanistic simulation
Ewert, F. & Porter, John Roy, 2001. 2 p.Research output: Contribution to conference › Paper › Research
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Ozone effects on wheat in response to climatic variation and CO2
Ewert, F., Oijen, M. V. & Porter, John Roy, 2000. 1 p.Research output: Contribution to conference › Paper › Research
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IMPETUS: 1. year report on research at KVL Taastrup, DK
Ewert, F. & Porter, John Roy, 1998, Improving wheat model accuracy and suitability for regional impact assessment (IMPETUS) : EC project ENV4-CT97-0496 : report on 1. year. Mitchell, R. A. C. (ed.). p. B25-B32 9 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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
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An ¤analysis of leaf emergence of spring wheat cv. Minaret grown in different environments
Ewert, F., Porter, John Roy, Mulholland, B. J. & Vanhoutvin, S., 1996. 2 p.Research output: Contribution to conference › Paper › Research
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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
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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, , 2015, In: Environmental Modelling & Software. 72, p. 287-303 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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
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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
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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
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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. 642-650Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Effects of high temperature extremes on wheat
Ferris, R., Wheeler, T. R., Ellis, R. H., Hadley, P., Wollenweber, B., Porter, John Roy, Karacostas, T. S., Papadopoulos, M. N. & Schellberg, J., 2000, Climate change, climatic variability and agriculture in Europe : an integrated assessment. Downing, T. E., Harrison, P. A., Butterfield, R. E. & Lonsdale, K. G. (eds.). p. 31-55 25 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Summary for policymakers
Field, C. B., Barros, V. R., Mastrandrea, M. D. & Porter, John Roy, 2014, Climate change 2014: impacts, adaptation and vulnerability. . Vol. Part A. p. 1-32 32 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review
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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
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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 proceeding › Book chapter › Research
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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
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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 proceeding › Article in proceedings › Research
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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 proceeding › Article in proceedings › Research
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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
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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
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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
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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 conference › Poster › Research
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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
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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
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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
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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
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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
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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
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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
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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
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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 › Research
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Modelling protein content and composition in wheat
Jamieson, P., Martre, P., Samoli, V., Porter, John Roy, Zyskowski, R. F., Semenov, M. & Triboi, E., 2006. 1 p.Research output: Contribution to conference › Poster › Research
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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
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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
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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, , Apr 2019, In: Global Change Biology. 25, 4, p. 1428-1444Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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
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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
- 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
- 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
- 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
- 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
- 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
- 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, , 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
- 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
- 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
- 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
- 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
- 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
- Published
Organic movement reveals a shift in the social position of science
Mørkeberg, A. & Porter, John Roy, 2001, In: Nature. 412Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Published
Interaction between soils and crop production: rational systems
Porter, John Roy, 1998. 2 p.Research output: Contribution to conference › Paper › Research
- Published
Research beyond the means: climatic variability and plant growth
Porter, John Roy & Moot, D. J., 1998, EUR. Dalezios, N. R. (ed.). 18328 ed. Publications Office, p. 13-23 11 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Anthesis date and agricultural risk and the effects of high temperature extremes on wheat
Porter, John Roy & Wollenweber, B., 1997. 15 p.Research output: Contribution to conference › Paper › Research
- Published
The ¤how, why and wherefore of crop simulation models
Porter, John Roy & Jamieson, P. D., 1998, EUR. Peter, D., Maracchi, G. & Ghazi, A. (eds.). 18175 ed. Official Publications of the European Communities, p. 183-201 19 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Effects of extreme temperatures at two growth stages on wheat
Porter, John Roy & Wollenweber, B., 1997. 5 p.Research output: Contribution to conference › Paper › Research
- 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
- Published
Modelling the effects of climatic change and genetic modification on nitrogen use by wheat
Porter, John Roy, Leigh, R. A., Semenov, M. A. & Miglietta, F., 1995. 22 p.Research output: Contribution to conference › Paper › Research
- Published
Research beyond the averages: climatic variability and plant growth
Porter, John Roy, Geijn, S. C. V. D. & MacGillivray, C. W., 1996. 2 p.Research output: Contribution to conference › Paper › Research
- 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
- Published
Activities of the INES Standing Committee on Ethical Questions
Porter, John Roy, 1996, Scientists for Global Responsibility : National Coordinating Committee report 1993-1995. p. 9-10 2 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- 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
- 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
- Published
Modelling and experimental studies of the growth and development of wheat
Porter, John Roy, 2000, Copenhagen: The Royal Veterinary and Agricultural University, Department of Dairy and Food Science, Agroecology Group. 99 p.Research output: Book/Report › Ph.D. thesis › Research
- Published
Annex I: summary of presentations
Porter, John Roy & Wollenweber, B., 1997. 4 p.Research output: Contribution to conference › Paper › Research
- Published
The ¤landscape consequences of combined food and energy systems
Porter, John Roy, 1997, Landskabsøkologiske skrifter. Brandt, J. . . A. . (ed.). 6 ed. Center for Landskabsforskning, Roskilde Universitet, p. 13-20 8 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- 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
- 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
- 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
- Published
Vaccines, social measures and Covid19 - A European evidence-based analysis: Vaccines, social measures and Covid19
Porter, John Roy, 2021, medRxiv, 12 p. (medRxiv).Research output: Working paper › Preprint › Research
- Published
Afgrødernes respons på klimaændringer
Porter, John Roy, 2007. 2 p.Research output: Contribution to conference › Paper › Research
- 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
- 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
- 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
- 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
- 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
- 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
- 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. 2518-2529Research output: Contribution to journal › Review › Research › peer-review
- 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
- Published
Agronomy as the science of primary food production
Porter, John Roy, 2010, Proceedings of Agro2010 the XIth ESA Congress: 2010, Montpellier, France. p. 41-42 2 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 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
- 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
- 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
- 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
- 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
- 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. 71Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 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
- 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
- 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
- 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
- Published
Climate Change and Agriculture: The heart of a perfect storm
Porter, John Roy, 2010, Abstracts of Papers. International Institute for Bet Research, p. 2-3Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
- Published
Det europæiske fødevaresystem og fremtidens scenarier for landbrug
Porter, John Roy, Porter, H. R. B. & Olesen, J. E., 2010, In: Geografisk Orientering. 2Research output: Contribution to journal › Journal article › Research
- 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
- 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
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
- 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. 18-19Research output: Contribution to journal › Journal article › Research
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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, , 2019, In: Agricultural and Forest Meteorology. 264, p. 351-362 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2018, In: Agricultural Systems. 159, p. 260-274 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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, , 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
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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
- 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
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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
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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
- 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
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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
- 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
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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
- 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
- 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
- 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
- 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
- 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
ID: 3148511
Most downloads
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7848
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Food security and food production systems
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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7172
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Emergy signature as a basis for sustainability valuation of agro-ecosystems
Research output: Contribution to conference › Poster › Research
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1162
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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
Research output: Book/Report › Report › Research
Published