John Roy Porter
Professor, emeritus
Section for Crop Sciences
Højbakkegård Allé 13
2630 Taastrup
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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
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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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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
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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
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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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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
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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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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
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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
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Afgrødernes respons på klimaændringer
Porter, John Roy, 2007. 2 p.Research output: Contribution to conference › Paper › Research
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
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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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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
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Agroecology: a flagship NOVA program
Lieblein, G., Bretland, T. A., Francis, C. A., Sriskandarajah, N., Langer, Vibeke, Porter, John Roy, Salomonsen, L., Gerber, U. & Helenius, J., 2005, 10 NOVA University Network Years. The Nordic Forestry, Veterinary and Agricultural University Network, p. 52-53 2 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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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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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
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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
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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
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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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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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Annex I: summary of presentations
Porter, John Roy & Wollenweber, B., 1997. 4 p.Research output: Contribution to conference › Paper › 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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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
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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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Bioethanol i tanken udelukker ikke mad i maven
Felby, C., Streibig, Jens Carl & Porter, John Roy, 2007, In: Dagbladet Information. 2 p.Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
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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
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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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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
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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
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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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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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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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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
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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
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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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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
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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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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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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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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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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
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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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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
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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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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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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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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
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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
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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
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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
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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
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Deconstructing crop processes and models via identities
Porter, John Roy & Christensen, Svend, 2013, In: Plant, Cell and Environment. 36, 11, p. 1919-1925 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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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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
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Denmark: agriworld
Porter, John Roy, 1996, In: The ¤furrow. 101, 2, 2 p.Research output: Contribution to journal › Journal article › Communication
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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
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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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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
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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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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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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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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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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
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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
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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
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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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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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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
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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
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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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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
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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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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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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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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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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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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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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
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En anden slags grøn revolution venter
Felby, C., Streibig, Jens Carl & Porter, John Roy, 2006, In: Morgenavisen Jyllands-Posten. 136, 20, 1 p.Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
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En global kulstofbank mod CO2-udslip
Porter, John Roy & Streibig, Jens Carl, 2008, In: Berlingske Tidende. p. 23 1 p.Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication
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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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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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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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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
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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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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
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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
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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
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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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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
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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
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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
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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
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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
- 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
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GLP (2005) Science Plan and Implementation Strategy. IGPB Report No. 53/IHDP Report No. 19
Moran, E., Ojima, D., Buchmann, N., Canadell, J., Graumlich, L., Jackson, R., Jaramillo, V., Lavorel, S., Leadly, P., Matson, P., Murdiyarso, D., Porter, John Roy, Pfaff, A., Pitelka, L., Rajan, K., Ramankutty, N., Turner, B. & Yagi, K., 2005, Stockholm: EGBP Secretariat. 64 p.Research output: Book/Report › Report › Communication
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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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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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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
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
ID: 3148511
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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
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