John Roy Porter
Professor emeritus
Afgrødevidenskab
Højbakkegård Allé 13
2630 Taastrup
- 2007
- Udgivet
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, I: Field Crops Research. 103, 1, s. 36-41 6 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Working paper › Forskning
- Udgivet
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. (red.). Berlin: Kluwer Academic Publishers, s. 195-209 15 s. (Global Change - The IGBP Series).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- 2006
- Udgivet
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. (red.). Forskningscenter for Økologisk Jordbrug og Fødevaresystemer, 2 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning
- Udgivet
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. (red.). Wageningen Academic Publishers, s. 320-324 5 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning
- Udgivet
En anden slags grøn revolution venter
Felby, C., Streibig, Jens Carl & Porter, John Roy, 2006, I: Morgenavisen Jyllands-Posten. 136, 20, 1 s.Publikation: Bidrag til tidsskrift › Bidrag til avis - Avisartikel › Formidling
- Udgivet
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, I: European Journal of Agronomy. 25, 2, s. 138-154 17 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Konferencebidrag › Poster › Forskning
- Udgivet
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. (red.). Joensuu, Finland: University of Joensuu, Faculty of Forestry, s. 38-49 12 s. (Research Notes / University of Joensuu, Faculty of Forestry; Nr. 170).Publikation: Bidrag til bog/antologi/rapport › Bidrag til rapport › Forskning
- Udgivet
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 s. (Deliverable Report DL 6.1). (Deliverable Report 6.5).Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
- Udgivet
The physiology of crop yield
Hay, R. K. M. & Porter, John Roy, 2006, 2. udg. udg. Oxford: Blackwell Publishing. 309 s.Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
- 2005
- Udgivet
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, s. 52-53 2 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Formidling
- Udgivet
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 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning
- Udgivet
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, I: Philosophical Transactions of the Royal Society of London. Biological Sciences. 360, 1463, s. 2021-2035 15 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Bog/antologi/afhandling/rapport › Rapport › Formidling
- Udgivet
Need for multidisciplinary research towards a second green revolution: commentary
Wollenweber, B., Porter, John Roy & Lübberstedt, T., 2005, I: Current Opinion in Plant Biology. 8, 3, s. 337-341 5 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Rising temperatures are likely to reduce crop yields: correspondence
Porter, John Roy, 2005Publikation: Andet › Andet bidrag › Formidling
- 2004
- Udgivet
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. (red.). Samfundslitteratur, s. 195-196 2 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning
- Udgivet
Modelling the responses of grain protein and composition to environmental variations
Martre, P., Triboï, E., Jamieson, P. D. & Porter, John Roy, 2004. 1 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
VIII ESA Congress: book of proceedings
Jacobsen, S., Jensen, C. R. & Porter, John Roy, 2004, Copenhagen: Center for Skov, Landskab og Planlægning/Københavns Universitet. 968 s.Publikation: Bog/antologi/afhandling/rapport › Bog › Undervisning
- 2003
- Udgivet
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 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Agroecology, scaling and interdisciplinarity
Porter, John Roy, Dalgaard, T. & Hutchings, N. J., 2003, I: Agriculture Acosystems & Environment. 100, 1, s. 39-51 13 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Food and fibre
Porter, John Roy, Green, K., Ingram, J. & Jaeger, J., 2003, I: Global Problems - Global Science - Europes contribution to global change research. ESF forward Look Report. 1, s. 45-56 11 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Lack of Interaction between Extreme High-Temperature Events at Vegetative and Reproductive Growth Stages in Wheat
Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, I: Journal of Agronomy and Crop Science. 189, 3, s. 142-150 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Lack of interaktion between extreme high-temperature events at vegetative and reproductive growtg stages in wheat
Wollenweber, B., Porter, John Roy & Schellberg, J., 2003, I: Journal of Agronomy and Crop Science. 189, s. 142-150 9 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Plant Physiology. 133, s. 1959-1967 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Spring Wheat Leaf Appearance and Temperature: Extending the Paradigm?
MCMaster, G. S., Wilhelm, W. W., Palic, D. B. & Porter, John Roy, 2003, I: Annals of Botany. 91, 6, s. 697-705 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- 2002
- Udgivet
Distribution of assimilated carbon in plants and rhizosphere soil of basket willow (Salix viminalis L.)
de Neergaard, Andreas, Porter, John Roy & Gorissen, A., 2002, I: Plant and Soil. 245, 2, s. 307-314 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Agriculture, Ecosystems & Environment. 93, s. 249-266 18 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Agriculture, Ecosystems & Environment. 93, 1-3, s. 25-32 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: European Journal of Agronomy. 18, s. 15-31 17 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: European Journal of Agronomy. 16, s. 1-11 11 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Konferencebidrag › Paper › Forskning
- 2001
- Udgivet
A model for fossil energy use in Danish agriculture used to compare organic and conventional farming
Dalgaard, T., Halberg, N. & Porter, John Roy, 2001, I: Agriculture, Ecosystems & Environment. 87, s. 51-65 15 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Renewable Agriculture and Food Systems (Print Edition). 16, 2, s. 89-95 7 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Organic movement reveals a shift in the social position of science
Mørkeberg, A. & Porter, John Roy, 2001, I: Nature. 412Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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. s. 15 1 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- 2000
- Udgivet
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. (red.). Frankfurt am Main: Peter Lang, Bind 6. s. 125-137 13 s. (Environmental education, communication and sustainability).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
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. (red.). s. 31-55 25 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
Effects of water deficits and high temperature-events in wheat
Wollenweber, B., Jensen, C. R., Schellberg, J. & Porter, John Roy, 2000. 1 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
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, I: Journal of Sustainable Agriculture. 16, 4, s. 49-69 21 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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, I: Agriculture, Ecosystems & Environment. 82, s. 27-37 11 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
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 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
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 s.Publikation: Bog/antologi/afhandling/rapport › Ph.d.-afhandling › Forskning
- Udgivet
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. s. 108-136 29 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
- Udgivet
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, I: Global Change Biology. 6, s. 735-750 16 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Ozone effects on wheat in response to climatic variation and CO2
Ewert, F., Oijen, M. V. & Porter, John Roy, 2000. 1 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Patent confusion in law on new plant varieties
Porter, John Roy, 2000Publikation: Andet › Andet bidrag › Formidling
- Udgivet
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. (red.). s. 415-434 20 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning
ID: 3148511
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Food security and food production systems
Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
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Emergy signature as a basis for sustainability valuation of agro-ecosystems
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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
Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
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