MSc, PhD
Professor

University of Bonn
Institute of Crop Science and Resource Conservation (INRES)
Katzenburgweg 5
D 53115 Bonn
Germany
+49 228 73 2041(phone)
+49 228 73 2870 (fax)

www.lap.uni-bonn.de
frank.ewert@uni-bonn.de

Profile

Employment

Research Projects - ongoing (selection)

Research Projects - past (selection)

Teaching

Other responsibilities

Publications (peer-reviewed journals)

2017

Eyshi Rezaei, E., S. Siebert, F. Ewert (2017). Climate and management interaction cause diverse crop phenology trends. Agricultural and Forest Meteorology 233, 55-70. DOI:10.1016/j.agrformet.2016.11.003.

Kuhnert, M., J. Yeluripati, P. Smith, H. Hoffmann, M. van Oijen, J. Constantin, E. Coucheney, R. Dechow, H. Eckersten, T. Gaiser, B. Grosz, E. Haas, K.C. Kersebaum, R. Kiese, S. Klatt, E. Lewan, C. Nendel, H. Raynal, C. Sosa, X. Specka, E. Teixeira, E. Wang, L. Weihermüller, G. Zhao, Z. Zhao, S. Ogle, F. Ewert, in press. Impact analysis of climate data aggregation at different spatial scales on simulated net primary productivity for croplands. European Journal of Agronomy. DOI:10.1016/j.eja.2016.06.005.

Maiorano, A., P. Martre, S. Asseng, F. Ewert, C. Müller, R.P. Rötter, A.C. Ruane, M.A. Semenov, D. Wallach, E. Wang, P.D. Alderman, B.T.Kassie, C. Biernath, B. Basso, D. Cammarano, A.J. Challinor, J. Doltra, B. Dumont, E. Eyshi Rezaei, S. Gayler, K.C. Kersebaum, B.A. Kimball, A.K. Koehler, B. Liu, G.J. O’Leary, J.E. Olesen, M.J. Ottman, E. Priesack, M. Reynolds, P. Stratonovitch, T. Streck, P. J. Thorburn, K. Waha, G.W. Wall, J.W. White, Z. Zhao, Y. Zhu, in press. Crop model improvement reduces the uncertainty of the response to temperature of multi-model ensembles. Field Crops Research. DOI:10.1016/j.fcr.2016.05.001.

Srivastava, A.K., C.M. Mboh, T. Gaiser, F. Ewert, 2017. Impact of climatic variables on the spatial and temporal variability of crop yield and biomass gap in Sub-Saharan Africa – a case study in Central Ghana. Field Crops Research, 203, 33-46. DOI:10.1016/j.fcr.2016.11.010.

Teixeira, E.I., G. Zhao, J.d. Ruiter, H. Brown, A.-G. Ausseil, E. Meenken, F. Ewert, in press. The interactions between genotype, management and environment in regional crop modelling. European Journal of Agronomy. DOI:10.1016/j.eja.2016.05.005.

Webber, H., P. Martre, S. Asseng, B. Kimball, J. White, M. Ottman, G.W. Wall., G. De Sanctis, J. Doltra, R. Grant, B. Kassie, A. Maiorano, J.E. Olesen, D. Ripoche, E. Eyshi Rezaei, M.A. Semenov, P. Stratonovitch, F. Ewert, in press. Canopy temperature for simulation of heat stress in irrigated wheat in a semi-arid environment: A multi-model comparison. Field Crops Research. DOI:10.1016/j.fcr.2015.10.009.

2016

Cammarano, D., R.P. Rötter, S. Asseng, F. Ewert, D. Wallach, P. Martre, J. L. Hatfield, J.W. Jones, C. Rosenzweig, A.C. Ruane, K.J. Boote, P.J. Thorburn, K.C. Kersebaum, P.K. Aggarwal, C. Angulo, B. Basso, P. Bertuzzi, C. Biernath, N. Brisson, A.J. Challinor, J. Doltra, S. Gayler, R. Goldberg, L. Heng, J. Hooker, L.A. Hunt, J. Ingwersen, R.C. Izaurralde, C. Müller, S.N. Kumar, C. Nendel, G.J. O´Leary, J. E. Olesen, T.M. Osborne, T. Palosuo, E. Priesack, D. Ripoche, M.A. Semenov, I. Shcherbak, P. Steduto, C.O. Stöckle, P. Stratonovitch, T. Streck, I. Supit, F. Tao, M. Travasso, K. Waha, J.W. White, J. Wolf, 2016. Uncertainty of wheat water use: Simulated patterns and sensitivity to temperature and CO2. Field Crops Research 198, 80-92. DOI:10.1016/j.fcr.2016.08.015.

Gabaldón-Leal, C., H. Webber, M.E. Otegui, G.A. Slafer, R.A. Ordóñez, T. Gaiser, I.J. Lorite, M. Ruiz-Ramos, F. Ewert, 2016. Modelling the impact of heat stress on maize yield formation. Field Crops Research 198, 226-237. DOI:10.1016/j.fcr.2016.08.013.

Hoffmann, H., G. Zhao, S. Asseng, M. Bindi, C. Biernath, J. Constantin, E. Coucheney, R. Dechow, L. Doro, H. Eckersten, T. Gaiser, B. Grosz, F. Heinlein, B.T. Kassie, K.-C. Kersebaum, C. Klein, M. Kuhnert, E. Lewan, M. Moriondo, C. Nendel, E. Priesack, H. Raynal, P.P. Roggero, R.P. Rötter, S. Siebert, X. Specka, F. Tao, E. Teixeira, G. Trombi, D. Wallach, L. Weihermüller, J. Yeluripati, F. Ewert, 2016. Impact of Spatial Soil and Climate Input Data Aggregation on Regional Yield Simulations. Plos One 11, e0151782. DOI:10.1371/journal.pone.0151782.

Liu, B., S. Asseng, C. Müller, F. Ewert, J. Elliott, D.B. Lobell, P. Martre, A. Ruane, D. Wallach, J.W. Jones, C. Rosenzweig, P.K. Aggarwal, P. Alderman, J. Anothai, B. Basso, C. Biernath, D. Cammarano, A.C. Challinor, D. Deryng, D. De Sanctis, J. Doltra, E. Fereres, C. Folberth, M. Garcia-Vila, S. Gayler, G. Hoogenboom, L.A. Hunt, R.C. Izzaurralde, M. Jabloun, C.D. Jones, K.C. Kersebaum, B.A. Kimball, A.K. Koehler, S.N. Kumar, C. Nendel, G. O'leary, J.E. Olesen, M.J. Ottman, T. Palosuo, P.V. Prasad, E. Priesack, T.A. Pugh, M. Reynolds, E. Eyshi Rezaei, R.P. Rötter, E. Schmid, M. Semenov, I. Shcherbak, E. Stehfest, C.O. Stöckle, P. Stratonovich, T. Streck, I. Supit, F. Tao, P.J. Thorburn, K. Waha, G.W. Wall, E. Wang, J. White, J. Wolf, Z. Zhao, Y. Zhu, 2016. Similar estimates of temperature impacts on global wheat yield by three independent methods. Nature Climate Change 6, 1130-1136. DOI:10.1038/nclimate3115.

Oomen, R.J., F. Ewert, H.A. Snyman, 2016. Modelling rangeland productivity in response to degradation in a semi-arid climate. Ecological Modelling 322, 54-70. DOI:10.1016/j.ecolmodel.2015.11.001.

Oomen, R.J., A. Linstädter, J.C. Ruppert, K. Brüser, J. Schellberg, F. Ewert, 2016. Effect of management on rangeland phytomass, cover and condition in two biomes in South Africa. African Journal of Range & Forage Science 33, 185-198.
DOI:10.2989/10220119.2016.1218368.

Reyes, J.J., J. Schellberg, S. Siebert, J.C. Adam, M. Elsaesser, F. Ewert, 2016. Improved estimation of nitrogen uptake in grasslands using the nitrogen dilution curve – reply to the letter to the editor by Lemaire and Gastal, 2016. Agronomy for Sustainable Development 36, 51. DOI:10.1007/s13593-016-0389-3.

Ruane, A.C., N.I. Hudson, S. Asseng, D. Camarrano, F. Ewert, P. Martre, K.J. Boote, P.J. Thorburn, P.K. Aggarwal, C. Angulo, B. Basso, P. Bertuzzi, C. Biernath, N. Brisson, A.J. Challinor, J. Doltra, S. Gayler, R. Goldberg, R.F. Grant, L. Heng, J. Hooker, L.A. Hunt, J. Ingwersen, R.C. Izaurralde, K.C. Kersebaum, S.N. Kumar, C. Müller, C. Nendel, G. O'Leary, J.E. Olesen, T.M. Osborne, T. Palosuo, E. Priesack, D. Ripoche, R.P. Rötter, M.A. Semenov, I. Shcherbak, P. Steduto, C.O. Stöckle, P. Stratonovitch, T. Streck, I. Supit, F. Tao, M. Travasso, K. Waha, D. Wallach, J.W. White, J. Wolf, 2016. Multi-wheat-model ensemble responses to interannual climate variability. Environmental Modelling & Software 81, 86-101. DOI:10.1016/j.envsoft.2016.03.008.

Salo, T.J., T. Palosuo, K.C. Kersebaum, C. Nendel, C. Angulo, F. Ewert, M. Bindi, P. Calanca, T. Klein, M. Moriondo, R. Ferrise, J.E. Olesen, R.H. Patil, F. Ruget, J. Takac, Pl. Hlavinka, M. Trnka, R.P. Rötter, 2016. Comparing the performance of 11 crop simulation models in predicting yield response to nitrogen fertilization. The Journal of Agricultural Science 154, 1218-1240. DOI:10.1017/S0021859615001124.

Srivastava, A.K., T. Gaiser, F. Ewert, 2016. Climate change impact and potential adaptation strategies under alternate climate scenarios for Yam production in the sub-humid savannah zone of West Africa. Mitigation and Adaptation Strategies for Global Change 21, 955-968. DOI:10.1007/s11027-015-9639-y.

Srivastava, A.K., C.M. Mboh, T. Gaiser, H. Webber, F. Ewert, 2016. Effect of sowing date distributions on simulation of maize yields at regional scale – A case study in Central Ghana, West Africa. Agricultural Systems 147, 10-23. DOI:10.1016/j.agsy.2016.05.012.

Van Bussel, L.G.J., F. Ewert, G. Zhao, H. Hoffmann, A. Enders, D. Wallach, S. Asseng, G.A. Baigorria, B. Basso, C. Biernath, D. Cammarano, J. Chryssanthacopoulos, J. Constantin, J. Elliott, M. Glotter, F. Heinlein, K.-C. Kersebaum, C. Klein, C. Nendel, E. Priesack, H. Raynal, C.C. Romero, R.P. Rötter, X. Specka, F. Tao, 2016. Spatial sampling of weather data for regional crop yield simulations. Agricultural and Forest Meteorology 220, 101-115. DOI:10.1016/j.agrformet.2016.01.014.

Wallach, D., P. Thorburn, S. Asseng, A.J. Challinor, F. Ewert, J.W. Jones, R. Rötter, A. Ruane, 2016. Estimating model prediction error: Should you treat predictions as fixed or random?. Environmental Modelling & Software 84, 529-539. DOI:10.1016/j.envsoft.2016.07.010.

Webber, H., F. Ewert, B.A. Kimball, S. Siebert, J.W. White, G.W. Wall, M.J. Ottman, D.N.A. Trawally, T. Gaiser, 2016. Simulating canopy temperature for modelling heat stress in cereals. Environmental Modelling & Software 77, 143-155. DOI:10.1016/j.envsoft.2015.12.003.

Webber, H., T. Gaiser, R. Oomen, E. Teixeira, G. Zhao, D. Wallach, A. Zimmermann, F. Ewert, 2016. Uncertainty in future irrigation water demand and risk of crop failure for maize in Europe. Environmental Research Letters 11, 074007. DOI:10.1088/1748-9326/11/7/074007.

Wiersberg, T., D. Callo-Concha, F. Ewert, 2016. Pitfall or priority drift? Participatory tree domestication programs: The case of agroforestry in the Peruvian Amazon. Journal of Sustainable Forestry 35, 486-499. DOI:10.1080/10549811.2016.1213641.

Zhao, G., H. Hoffmann, J. Yeluripati, S. Xenia, C. Nendel, E. Coucheney, M. Kuhnert, F. Tao, J. Constantin, H. Raynal, E. Teixeira, B. Grosz, L. Doro, R. Kiese, H. Eckersten, E. Haas, D. Cammarano, B. Kassie, M. Moriondo, G. Trombi, M. Bindi, C. Biernath, F. Heinlein, C. Klein, E. Priesack, E. Lewan, K.-C. Kersebaum, R. Rötter, P.P. Roggero, D. Wallach, S. Asseng, S. Siebert, T. Gaiser, F. Ewert, 2016. Evaluating the precision of eight spatial sampling schemes in estimating regional means of simulated yield for two crops. Environmental Modelling & Software 80, 100-112. DOI:10.1016/j.envsoft.2016.02.022.

2015

Asseng, S., F. Ewert, P. Martre, R.P. Rotter, D.B. Lobell, D. Cammarano, B.A. Kimball, M.J. Ottman, G.W. Wall, J.W. White, M.P. Reynolds, P.D. Alderman, P.V.V. Prasad, P.K. Aggarwal, J. Anothai, B. Basso, C. Biernath, A.J. Challinor, G. De Sanctis, J. Doltra, E. Fereres, M. Garcia-Vila, S. Gayler, G. Hoogenboom, L.A. Hunt, R.C. Izaurralde, M. Jabloun, C.D. Jones, K.C. Kersebaum, A.K. Koehler, C. Muller, S. Naresh Kumar, C. Nendel, G. O/'Leary, J.E. Olesen, T. Palosuo, E. Priesack, E. Eyshi Rezaei, A.C. Ruane, M.A. Semenov, I. Shcherbak, C. Stockle, P. Stratonovitch, T. Streck, I. Supit, F. Tao, P.J. Thorburn, K. Waha, E. Wang, D. Wallach, J. Wolf, Z. Zhao, Y. Zhu, 2015. Rising temperatures reduce global wheat production. Nature Climate Change 5, 143-147. DOI:10.1038/nclimate2470.

Eyshi Rezaei, E., T. Gaiser, S. Siebert, F. Ewert, 2015. Adaptation of crop production to climate change by crop substitution. Mitigation and Adaptation Strategies for Global Change 20, 1155-1174. DOI:10.1007/s11027-013-9528-1.

Eyshi Rezaei, E., S. Siebert, F. Ewert, 2015. Impact of data resolution on heat and drought stress simulated for winter wheat in Germany. European Journal of Agronomy 65, 69-82. DOI:10.1016/j.eja.2015.02.003.

Eyshi Rezaei, E., S. Siebert, F. Ewert, 2015. Intensity of heat stress in winter wheat – phenology compensates for the adverse effect of global warming. Environmental Research Letters 10, 024012. DOI:10.1088/1748-9326/10/2/024012.

Eyshi Rezaei, E., H. Webber, T. Gaiser, J. Naab, F. Ewert, 2015. Heat stress in cereals: mechanisms and modeling. European Journal of Agronomy 64, 98-113. DOI:10.1016/j.eja.2014.10.003.

Ewert, F., R.P. Rötter, M. Bindi, H. Webber, M. Trnka, K.C. Kersebaum, J.E. Olesen, M.K. van Ittersum, S. Janssen, M. Rivington, M.A. Semenov, D. Wallach, J.R. Porter, D. Stewart, J. Verhagen, T. Gaiser, T. Palosuo, F. Tao, C. Nendel, P.P. Roggero, L. Bartošová, S. Asseng, 2015. Crop modelling for integrated assessment of risk to food production from climate change. Environmental Modelling & Software 72, 287-303. DOI:10.1016/j.envsoft.2014.12.003.

Hoffmann, H., G. Zhao, L.G.J. van Bussel, A. Enders, X. Specka, C. Sosa, J. Yeluripati, F. Tao, J. Constantin, H. Raynal, E. Teixeira, B. Grosz, L. Doro, Z. Zhao, E. Wang, C. Nendel, K.C. Kersebaum, E. Haas, R. Kiese, S. Klatt, H. Eckersten, E. Vanuytrecht, M. Kuhnert, E. Lewan, R. Rötter, P.P. Roggero, D. Wallach, D. Cammarano, S. Asseng, G. Krauss, S. Siebert, T. Gaiser, F. Ewert, 2015. Variability of effects of spatial climate data aggregation on regional yield simulation by crop models. Climate Research 65, 53-69. DOI:10.3354/cr01326.

Kollas, C., K.C. Kersebaum, C. Nendel, K. Manevski, C. Nüller, T. Palosuo, C.M. Armas-Herrera, N. Beaudoin, M. Bindi, M. Charfeddine, T. Conradt, J. Constantin, J. Eitzinger, F. Ewert, R. Ferrise, T. Gaiser, I.G. Cortazar-Atauri, L. Giglio, P. Hlavinka, H. Hoffmann, M.P. Hoffmann, M. Launay, R. Manderscheid, B. Mary, W. Mirschel, M. Moriondo, J.E. Olesen, I. Öztürk, A. Pacholski, D. Ripoche-Wachter, P.P. Roggero, S. Roncossek, R.P. Rötter, F. Ruget, B. Sharif, M. Trnka, D. Ventrella, K. Waha, M. Wegehenkel, H.J. Weigel, L. Wu, 2015. Crop rotation modelling - A European model intercomparison. European Journal of Agronomy 70, 98-111. DOI:10.1016/j.eja.2015.06.007.

Kupisch, M., A. Stadler, M. Langensiepen, F. Ewert, 2015. Analysis of spatio-temporal patterns of CO2 and H2O fluxes in relation to crop growth under field conditions. Field Crops Research 176, 108-118. DOI:10.1016/j.fcr.2015.02.011.

Makowski, D., Asseng, S., Ewert, F., Bassu, S., Durand, J.L., Li, T., Martre, P., Adam, M., Aggarwal, P.K., Angulo, C., Baron, C., Basso, B., Bertuzzi, P., Biernath, C., Boogaard, H., Boote, K.J., Bouman, B., Bregaglio, S., Brisson, N., Buis, S., Cammarano, D., Challinor, A.J., Confalonieri, R., Conijn, J.G., Corbeels, M., Deryng, D., De Sanctis, G., Doltra, J., Fumoto, T., Gaydon, D., Gayler, S., Goldberg, R., Grant, R.F., Grassini, P., Hatfield, J.L., Hasegawa, T., Heng, L., Hoek, S., Hooker, J., Hunt, L.A., Ingwersen, J., Izaurralde, R.C., Jongschaap, R.E.E., Jones, J.W., Kemanian, R.A., Kersebaum, K.C., Kim, S.H., Lizaso, J., Marcaida, M., Müller, C., Nakagawa, H., Naresh Kumar, S., Nendel, C., O'Leary, G.J., Olesen, J.E., Oriol, P., Osborne, T.M., Palosuo, T., Pravia, M.V., Priesack, E., Ripoche, D., Rosenzweig, C., Ruane, A.C., Ruget, F., Sau, F., Semenov, M.A., Shcherbak, I., Singh, B., Singh, U., Soo, H.K., Steduto, P., Stöckle, C., Stratonovitch, P., Streck, T., Supit, I., Tang, L., Tao, F., Teixeira, E.I., Thorburn, P., Timlin, D., Travasso, M., Rötter, R.P., Waha, K., Wallach, D., White, J.W., Wilkens, P., Williams, J.R., Wolf, J., Yin, X., Yoshida, H., Zhang, Z., Zhu, Y., 2015. A statistical analysis of three ensembles of crop model responses to temperature and CO2 concentration. Agricultural and Forest Meteorology 214-215, 483-493. DOI:10.1016/j.agrformet.2015.09.013.

Martre, P., D. Wallach, S. Asseng, F. Ewert, J.W. Jones, R.P. Rötter, K.J. Boote, A.C. Ruane, P.J. Thorburn, D. Cammarano, J.L. Hatfield, C. Rosenzweig, P.K. Aggarwal, C. Angulo, B. Basso, P. Bertuzzi, C. Biernath, N. Brisson, A.J. Challinor, J. Doltra, S. Gayler, R. Goldberg, R.F. Grant, L. Heng, J. Hooker, L.A. Hunt, J. Ingwersen, R.C. Izaurralde, K.C. Kersebaum, C. Müller, S.N. Kumar, C. Nendel, G. O'Leary, J.E. Olesen, T.M. Osborne, T. Palosuo, E. Priesack, D. Ripoche, M.A. Semenov, I. Shcherbak, P. Steduto, C.O. Stöckle, P. Stratonovitch, T. Streck, I. Supit, F. Tao, M. Travasso, K. Waha, J.W. White, J. Wolf, 2015. Multimodel ensembles of wheat growth: many models are better than one. Global Change Biology 21, 911-925. DOI:10.1111/gcb.12768.

Pirttioja, N., T.R. Carter, S. Fronzek, M. Bindi, H. Hoffmann, T. Palosuo, M. Ruiz-Ramos, F. Tao, M. Trnka, M. Acutis, S. Asseng, P. Baranowski, B. Basso, P. Bodin, S. Buis, D. Cammarano, P. Deligios, M.F. Destain, B. Dumont, F. Ewert, R. Ferrise, L. François, T. Gaiser, P. Hlavinka, I. Jacquemin, K.C. Kersebaum, C. Kollas, J. Krzyszczak, I.J. Lorite, J. Minet, M.I. Minguez, M. Montesino, M. Moriondo, C. Müller, C. Nendel, I. Öztürk, A. Perego, A. Rodríguez, A.C. Ruane, F. Ruget, M. Sanna, M.A. Semenov, C. Slawinski, P. Stratonovitch, I. Supit, K. Waha, E. Wang, L. Wu, Z. Zhao, R.P. Rötter, 2015. Temperature and precipitation effects on wheat yield across a European transect: a crop model ensemble analysis using impact response surfaces. Climate Research 65, 87-105. DOI:10.3354/cr01322.

Reyes, J., J. Schellberg, S. Siebert, M. Elsässer, J. Adam, F. Ewert, 2015. Improved estimation of nitrogen uptake in grasslands using the nitrogen dilution curve. Agronomy for Sustainable Development 35, 1561-1570. DOI:10.1007/s13593-015-0321-2.

Simmer, C. I. Thiele-Eich, M. Masbou, W. Amelung, H. Bogena, S. Crewell, B. Diekkrüger, F. Ewert, H.J. Hendricks Franssen, J.A. Huisman, A. Kemna, N. Klitsch, s. Kollet, M. Langensiepen, U. Löhnert, A.S. M.M. Rahman, U. Rascher, K. Schneider, J. Schween, Y. Shao, P. Shrestha, M. Stiebler, M. Sulis, J. Vanderborght, H. Vereecken, J. van der Kruk, G. Waldhoff, T. Zerenner, 2015. Monitoring and modeling the terrestrial system from pores to catchments: The transregional collaborative research center on patterns in the soil-vegetation-atmosphere system. Bulletin of the American Meteorological Society 96, 1765-1787. DOI:10.1175/bams-d-13-00134.1.

Stadler, A., S. Rudolph, M. Kupisch, M. Langensiepen, J.v.d. Kruk, F. Ewert, 2015. Quantifying the effects of soil variability on crop growth using apparent soil electrical conductivity measurements. European Journal of Agronomy 64, 8-20. DOI:10.1016/j.eja.2014.12.004.

Teixeira, E.I., H.E. Brown, J. Sharp, E.D. Meenken, F. Ewert, 2015. Evaluating methods to simulate crop rotations for climate impact assessments - A case study on the Canterbury plains of New Zealand. Environmental Modelling and Software 72, 304-313. DOI:10.1016/j.envsoft.2015.05.012.

Van Bussel, L.G.J., E. Stehfest, S. Siebert, C. Müller, F. Ewert, 2015. Simulation of the phenological development of wheat and maize at the global scale. Global Ecology and Biogeography 24, 1018-1029. DOI:10.1111/geb.12351.

Webber, H., G. Zhao, J. Wolf, W. Britz, W. de Vries, T. Gaiser, H. Hoffmann, F. Ewert, 2015. Climate change impacts on European crop yields: do we need to consider nitrogen limitation? European Journal of Agronomy 71, 123–134. DOI:10.1016/j.eja.2015.09.002.

Wolf, J., A. Kanellopoulos, J. Kros, H. Webber, G. Zhao, W. Britz, G.J. Reinds, F. Ewert, W. de Vries, 2015. Combined analysis of climate, technological and price changes on future arable farming systems in Europe. Agricultural Systems 140, 56-73. DOI:10.1016/j.agsy.2015.08.010.

Zhao, G., H. Hoffmann, L.G.J. van Bussel, A. Enders, X. Specka, C. Sosa, J. Yeluripati, F. Tao, J. Constantin, H. Raynal, E. Teixeira, B. Grosz, L. Doro, Z. Zhao, C. Nendel, R. Kiese, H. Eckersten, E. Haas, E. Vanuytrecht, E. Wang, M. Kuhnert, G. Trombi, M. Moriondo, M. Bindi, E. Lewan, M. Bach, K.C. Kersebaum, R. Rötter, P.P. Roggero, D. Wallach, D. Cammarano, S. Asseng, G. Krauss, S. Siebert, T. Gaiser, F. Ewert, 2015. Effect of weather data aggregation on regional crop simulation for different crops, production conditions, and response variables. Climate Research 65, 141-157. DOI:10.3354/cr01301.

Zhao, G., S. Siebert, A. Enders, E. Eyshi Rezaei, C. Yan, F. Ewert, 2015. Demand for multi-scale weather data for regional crop modelling. Agricultural and Forest Meteorology 200, 156-171. DOI:10.1016/j.agrformet.2014.09.026.

Zhao, G., H. Webber, H. Hoffmann, J. Wolf, S. Siebert, F. Ewert, 2015. The implication of irrigation in climate change impact assessment: a European wide study. Global Change Biology 21, 4031-4048. DOI:10.1111/gcb.13008.

2014

Angulo, C., T. Gaiser, R.P. Rötter, C.D. Børgesen, P. Hlavinka, M. Trnka, F. Ewert, 2014. ‘Fingerprints’ of four crop models as affected by soil input data aggregation. European Journal of Agronomy 61, 35-48. DOI:10.1016/j.eja.2014.07.005.

Brüser , K., H. Feilhauer, A. Linstädter, J. Schellberg, R.J. Oomen, J.C. Ruppert, F. Ewert, 2014. Discrimination and characterization of management systems in semi-arid rangelands of South Africa using RapidEye time series. International Journal of Remote Sensing 35, 1653-1673. DOI:10.1080/01431161.2014.882028.

Callo-Concha D., F. Ewert, 2014. Using the concepts of resilience, vulnerability and adaptability for the assessment and analysis of agricultural systems. Change and Adaptation in Socio-Ecological Systems 1, 1-11. DOI:10.2478/cass-2014-0001.

Challinor, A., P. Martre, S. Asseng, P. Thornton, F. Ewert, 2014. Making the most of climate impacts ensembles. Nature Climate Change 4, 77-80. DOI:10.1038/nclimate2117.

Eyshi Rezaei, E., T. Gaiser, S. Siebert, B. Sultan, F. Ewert, 2014. Combined impacts of climate and nutrient fertilisation on yields of pearl millet in Niger. European Journal of Agronomy 55, 77-88. DOI:10.1016/j.eja.2014.02.001.

Langensiepen, M., M. Kupisch, A. Graf, M. Schmidt, F. Ewert, 2014. Improving the stem heat-balance method for measuring sap-flow in wheat. Agricultural and Forest Meteorology 186, 34-42. DOI:10.1016/j.agrformet.2013.11.007.

Linstädter, A., J. Schellberg, K. Brüser, C.A. Moreno Garcia, R.J. Oomen, C.C. du Preez, J.C. Ruppert, F. Ewert, 2014. Are there consistant grazing indicators in drylands? Testing plant functional types of various complexity in South Africa's grassland and savanna biomes. PLoS ONE 9, e104672. DOI:10.1371/journal.pone.0104672.

Morenco Garcia, C.A., J. Schellberg, F. Ewert, K. Brüser, P. Canales Prati, A. Linstädter, R J. Oomen, J.C. Ruppert, S. B. Perelman, 2014. Response of community-aggregated plant functional traits along grazing gradients: insights from African semi-arid grasslands. Applied Vegetation Science 17, 470-481. DOI:10.1111/avsc.12092.

Siebert , S., F. Ewert, E. Eyshi Rezaei, H. Kage, R. Graß, 2014. Impact of heat stress on crop yield—on the importance of considering canopy temperature. Environmental Research Letters 9, 044012. DOI:10.1088/1748-9326/9/4/044012.

Siebert, S., F. Ewert, 2014. Future crop production threatened by extreme heat. Environmental Research Letters 9, 041001. DOI:10.1088/1748-9326/9/4/041001.

Webber H., T. Gaiser, F. Ewert, 2014. What role can crop models play in supporting climate change adaptation decisions to enhance food security in Sub-Saharan Africa? Agricultural Systems 127, 161-177. DOI:10.1016/j.agsy.2013.12.006.

2013

Adam, M., J. Wery, P.A. Leffelaar, F. Ewert, M. Corbeels, H. van Keulen, 2013. A systematic approach for re-assembly of crop models: An example to simulate pea growth from wheat growth. Ecological Modelling 250, 258-268. DOI:10.1016/j.ecolmodel.2012.10.012.

Angulo, C., R. Rötter, R. Lock, A. Enders, S. Fronzek, F. Ewert, 2013. Implication of crop model calibration strategies for assessing regional impacts of climate change in Europe. Agricultural and Forest Meteorology 170, 32-46. DOI:10.1016/j.agrformet.2012.11.017.

Angulo, C., R. Rötter, M. Trnka, N. Pirttioja, T. Gaiser, P. Hlavinka, F. Ewert, 2013. Characteristic fingerprints of crop model responses to weather input data at different spatial resolutions. European Journal of Agronomy 49, 104-114. DOI:10.1016/j.eja.2013.04.003.

Asseng, S., F. Ewert, C. Rosenzweig, J.W. Jones, J.L. Hatfield, A.C. Ruane, K.J. Boote, P.J. Thorburn, R.P. Rötter, D. Cammarano, N. Brisson, B. Basso, P. Martre, P.K. Aggarwal, C. Angulo, P. Bertuzzi, C. Biernath, A.J. Challinor, J. Doltra, S. Gayler, R. Golderg, R. Grant, L. Heng, J. Hooker, L.A. Hunt, J. Ingwersen, R.C. Izaurralde, K.C. Kersebaum, C. Muller, S. Naresh Kumar, C. Nendel, G. O'Leary, J.E. Olesen, T.M. Osborne, T.J. Palosuo, E. Priesack, D. Ripoche, M.A. Semenov, I. Shcherbak, P. Steduto, C. Stockle, P. Stratonovitch, T. Streck, I. Supit, F. Tao, M. Travasso, K. Waha, D. Wallach, J.W. White, J. R. Williams, J. Wolf, 2013. Unertainty in simulating wheat yields under climate change. Nature Climate Change 3, 827-832. DOI:10.1038/nclimate1916.

Callo-Concha, D., T. Gaiser, H. Webber, B. Tischbein, M.Müller, F. Ewert, 2013. Farming in the West African Sudan Savanna: Insights in the context of climate change. African Journal of Agricultural Research 8, 4693–4705. DOI:10.5897/AJAR2013.7153.

Gaiser, T., U. Perkons, P.M. Küpper, T. Kautz, D. Uteau-Puschmann, F. Ewert, A. Enders, G. Krauss, 2013. Modeling biopore effects on root growth and biomass production on soils with pronounced sub-soil clay accumulation. Ecological Modelling 256, 6-15. DOI:10.1016/j.ecolmodel.2013.02.016.

Kautz, T., W. Amelung, F. Ewert, T. Gaiser, R. Horn, R. Jahn, M. Javaux, A. Kemna, Y. Kuzyakov, J.-C. Munch, S. Pätzold, S. Peth, H.W. Scherer, M. Schloter, H. Schneider, J. Vanderborght, D. Vetterlein, A. Walter, G. Wiesenberg, U. Köpke, 2013. Nutrient acquisition from the arable subsoil in temperate climates: a review. Soil Biology and Biochemistry 57, 1003-1022. DOI:10.1016/j.soilbio.2012.09.014.

Rosenzweig, C., J.W. Jones, J.L. Hatfield, A.C. Ruane, K.J. Boote, P. Thorburn, J.M. Antle, G.C. Nelson, C. Porter, S. Janssen, S. Asseng, B. Basso, F. Ewert, D. Wallach, G. Baigorria, J.M. Winter, 2013. The Agricultural Model Intercomparison and Improvement Project (AgMIP): Protocols and pilot studies. Agricultural and Forest Meteorology 170, 166-182. DOI:10.1016/j.agrformet.2012.09.011.

Teixeira, E.I., G. Fischer, H. van Velthuizen, C. Walter, F. Ewert, 2013. Global hot-spots of heat stress on agricultural crops due to climate change. Agricultural and Forest Meteorology 170, 206-215. DOI:10.1016/j.agrformet.2011.09.002.

Worou, O.N., T. Gaiser, S. Kazuki, H. Goldbach, F. Ewert, 2013. Spatio-temporal dynamics of constraints on rainfed rice yield and growth in West African inland valleys. Agricultural Water Management 126, 119-124. DOI:10.1016/j.agwat.2013.04.007.

2012

Adam, M., H. Belhouchette, M. Corbeels, F. Ewert, A. Perrin, E. Casellas, F. Celette, J. Wery, 2012. Protocol to support model selection and evaluation in a modular crop modelling framework: An application for simulating crop response to nitrogen supply. Computers and Electronics in Agriculture 86, 43-54. DOI:10.1016/j.compag.2011.09.009.

Adam, M., M. Corbeels, P.A. Leffelaar, H. Van Keulen, J. Wery, F. Ewert, 2012. Building crop models within different crop modelling frameworks. Agricultural Systems 113, 57-63. DOI:10.1016/j.agsy.2012.07.010.

Elsgaard, L., C.D. Børgesen, J.E. Olesen, S. Siebert, F. Ewert, P. Peltonen-Sainio, R.P. Rötter, A.O. Skjelvåg, 2012. Shifts in comparative advantages for maize, oat, and wheat cropping under climate change in Europe. Food Additives and Contaminants: Part A 29, 1514-1526. DOI:10.1080/19440049.2012.700953.

Ewert, F., 2012. ADAPTATION: Opportunities in climate change? Nature Climate Change 2, 153-154. DOI:10.1038/nclimate1426.

Gaiser, T., U. Perkons, P.M. Küpper, D.U. Puschmann, S. Peth, T. Kautz, J. Pfeifer, F. Ewert, R. Horn, U. Köpke, 2012. Evidence of improved water uptake from subsoil by spring wheat following lucerne in a temperate humid climate. Field Crops Research 126, 56-62. DOI:10.1016/j.fcr.2011.09.019.

Langensiepen, M., M. Kupisch, M. T. van Wijk, F. Ewert, 2012. Analyzing transient closed chamber effects on canopy gas exchange for optimizing flux calculation timing. Agricultural and Forest Meteorology 164, 61-70. DOI:10.1016/j.agrformet.2012.05.006.

Martin, G., M. Duru, J. Schellberg, F. Ewert, 2012. Simulations of plant productivity are affected by modelling approaches of farm management. Agricultural Systems 109, 25-34. DOI:10.1016/j.agsy.2012.02.002.

Olesen, J.E., C.D. Børgesen, L. Elsgaard, T. Palosuo, R.P. Rötter, A.O. Skjelvåg, P. Peltonen-Sainio, T. Börjesson, M. Trnka, F. Ewert, S. Siebert, N. Brisson, J. Eitzinger, E.D. van Asselt, M. Oberforster, H.J.v.d. Fels-Klerx, 2012. Changes in time of sowing, flowering and maturity of cereals in Europe under climate change. Food Additives & Contaminants: Part A 29, 1527-1542. DOI:10.1080/19440049.2012.712060.

Rötter, R.P., T. Palosuo, K.C. Kersebaum, C. Angulo, C., M. Bindi, F. Ewert, R. Ferrise, P. Hlavinka, M. Moriondo, C. Nendel, J.E. Olesen, R.H. Patil, F. Ruget, J. Takác, M. Trnka, 2012. Simulation of spring barley yield in different climatic zones of Northern and Central Europe: A comparison of nine crop models. Field Crops Research 133, 23-36. DOI:10.1016/j.fcr.2012.03.016.

Siebert, S. and F. Ewert, 2012. Spatio-temporal patterns of phenological development in Germany in relation to temperature and day length. Agricultural and Forest Meteorology 152, 44-57. DOI:10.1016/j.agrformet.2011.08.007.

Srivastava, A.K., T. Gaiser, D. Cornet, F. Ewert, 2012. Estimation of effective fallow availability for the prediction of yam productivity at the regional scale using model-based multiple scenario analysis. Field Crops Research 131, 32-39. DOI:10.1016/j.fcr.2012.01.012.

Srivastava, A.K.,  T. Gaiser,  H. Paeth, F. Ewert, 2012. The impact of climate change on Yam (Dioscorea alata) yield in the savanna zone of West Africa. Agriculture, Ecosystems & Environment 153, 57-64. DOI:10.1016/j.agee.2012.03.004.

Worou, O.N., T. Gaiser, K. Saito, H. Goldbach, F. Ewert, 2012. Simulation of soil water dynamics and rice crop growth as affected by bunding and fertilizer application in inland valley systems of West Africa. Agriculture, Ecosystems and Environment 162, 24-35. DOI:10.1016/j.agee.2012.07.018.

2011

Adam, M., L.G.J. van Bussel, P.A. Leffelaar, H. van Keulen and F. Ewert, 2011. Effects of modelling detail on simulated potential crop yields under a wide range of climatic conditions. Ecological Modelling 222, 131-143. DOI:10.1016/j.ecolmodel.2010.09.001.

Ewert, F., M.K. van Ittersum, T. Heckelei, O. Therond, I. Bezlepkina, and E. Andersen, 2011. Scale changes and model linking methods for integrated assessment of agri-environmental systems. Agriculture, Ecosystems & Environment 142, 6-17. DOI:10.1016/j.agee.2011.05.016.

Palosuo, T., K.C. Kersebaum, C. Angulo, P. Hlavinka, M. Moriondo, J.E. Olesen, R.H. Patil, F. Ruget, C. Rumbaur, J. Takác, M. Trnka, M. Bindi, B. Çaldag, F. Ewert, R. Ferrise, W. Mirschel, L. Saylan, B. Siska and R. Rötter, 2011. Simulation of winter wheat yield and its variability in different climates of Europe: A comparison of eight crop growth models. European Journal of Agronomy 35, 103-114. DOI:10.1016/j.eja.2011.05.001.

Teixeira, E., G. Fischer, H. van Velthuizen, R. van Dingenen, F. Dentener, G. Mills, C. Walter and F. Ewert, 2011. Limited potential of crop management for mitigating surface ozone impacts on global food supply. Atmospheric Environment 45, 2569-2576. DOI:10.1016/j.atmosenv.2011.02.002.

Therond, O., H. Hengsdijk, E. Casellas, D. Wallach, M. Adam, H. Belhouchette, R. Oomen, G. Russell, F. Ewert, J.-E. Bergez, S. Janssen, J. Wery and M.K. van Ittersum, 2011. Using a cropping system model at regional scale: Low-data approaches for crop managment information and model calibration. Agriculture, Ecosystems & Environment 142, 85-94. DOI:10.1016/j.agee.2010.05.007.

Van Bussel, L.G.J., F. Ewert, and P.A. Leffelaar, 2011. Effects of data aggregation on simulations of crop phenology. Agriculture, Ecosystem & Environment 142, 75-84. DOI:10.1016/j.agee.2010.03.019.

Van Bussel, L.G.J., C. Müller, H. van Keulen, F. Ewert, and P.A. Leffelaar, 2011. The effect of temporal aggregation of weather input data on crop growth models' results. Agricultural and Forest Meteorology 151, 607-619. DOI:10.1016/j.agrformet.2011.01.007.

Volk, M., and F. Ewert, 2011. Scaling methods in integrated assessment of agricultural systems-State-of-the-art and future directions. Agriculture, Ecosystems & Environment 142, 1-5. DOI:10.1016/j.agee.2010.10.014.

2010

Adam, M., F. Ewert, P.A. Leffelaar, M. Corbeels, H. van Keulen and J. Wery, 2010. CROSPAL, software that uses agronmic expert knowledge to assist modules selection for crop growh simulation. Environmental Modelling & Software 25, 946-955. DOI:10.1016/j.envsoft.2010.02.007.

Gabbert, S., M. van Ittersum, C. Kroeze, S. Stalpers, F. Ewert and J. Alkan Olsson, 2010. Uncertainty analysis in integrated assessment: the users' perspective. Regional Environmental Change 10, 131-143. DOI:10.1007/s10113-009-0100-1.

Hermans, C.M.L., I.R. Geijzendorffer, F. Ewert, M.J. Metzger, P.H. Vereijken, G. Woltjer and A. Verhagen, 2010. Exploring the future of European crop production in a liberalised market, with specific consideration of climate change and the regional competitiveness. Ecological Modelling 221, 2177-2187. DOI:10.1016/j.ecolmodel.2010.03.021.

Porter, J.R., A. Challinor, F. Ewert, P. Falloon, T. Fischer, P. Gregory, M.K. van Ittersum, J.E. Olesen, K.J. Moore, C. Rosenzweig and P. Smith, 2010. Food Security: Focus on Agriculture. Science 328, 172-173. DOI:10.1126/science.328.5975.172.

Reidsma, P., F. Ewert, A.O. Lansink and R. Leemans, 2010. Adaptation to climate change and climate variability in European agriculture: The importance of farm level responses. European Journal of Agronomy 32, 91-102. DOI:10.1016/j.eja.2009.06.003.

2009

Challinor, A.J., F. Ewert, S. Arnold, E. Simelton and E. Fraser, 2009. Crops and climate change: progress, trends, and challenges in simulating impacts and informing adaptation. Journal of Experimental Botany 60, 2775-2789. DOI:10.1093/jxb/erp062.

Ewert, F., M.K. van Ittersum, I. Bezlepkina, O. Therond, E. Andersen, H. Belhouchette, C. Bockstaller, F. Brouwer, T. Heckelei, S. Janssen, R. Knapen, M. Kuiper, K. Louhichi, J.A. Olsson, N. Turpin, J. Wery, J.E. Wien and J. Wolf, 2009. A methodology for enhanced flexibility of integrated assessment in agriculture. Environmental Science & Policy 12, 546-561. DOI:10.1016/j.envsci.2009.02.005.

Janssen, S., F. Ewert, H. Li, I.N. Athanasiadis, J.J.F. Wien, O. Thérond, M.J.R. Knapen, I. Bezlepkina, J. Alkan-Olsson, Rizzoli, A.E., H. Belhouchette, M. Svensson and M.K. van Ittersum. 2009. Defining assessment projects and scenarios for policy support: Use of ontology in Integrated Assessment and Modelling. Environmental Modelling & Software 24,1491-1500. DOI:10.1016/j.envsoft.2009.04.009.

Olsson, J.A., C. Bockstaller, L.M. Stapleton, F. Ewert, R. Knapen, O.Therond, G. Geniaux, S. Bellon, T.P. Correira, N. Turpin, I. Bezlepkina, 2009. A goal oriented indicator framework to support integrated assessment of new policies for agri-environmental systems. Environmental Science & Policy 12, 562-572. DOI:10.1016/j.envsci.2009.01.012.

Reidsma, P., F. Ewert, H. Boogaard and K.van Diepen, 2009. Regional crop modelling in Europe: The impact of climatic conditions and farm characteristics on maize yields. Agricultural Systems 100, 51-60. DOI:10.1016/j.agsy.2008.12.009.

Reidsma, P., F. Ewert, A. Oude Lansink and R. Leemans, 2009. Vulnerability and adaptation of European farmers: a multi-level analysis of yield and income responses to climate variability. Regional Environmental Change 9, 25-40. DOI:10.1007/s10113-008-0059-3.

Reidsma, P., A.O. Lansink and F. Ewert, 2009. Economic impacts of climatic variability and subsidies on European agriculture and observed adaptation strategies. Mitigation and Adaptation Strategies for Global Change 14, 5-59. DOI:10.1007/s11027-008-9149-2.

Spiertz, J.H.J. and F. Ewert, 2009. Crop production and resource use to meet the growing demand for food, feed and fuel: opportunities and constraints. NJAS - Wageningen Journal of Life Sciences 56, 281-300. DOI:10.1016/S1573-5214(09)80001-8.

Therond, O., H. Belhouchette, S. Janssen, K. Louhichi, F. Ewert, J.-E. Bergez, J. Wery, T. Heckelei, J.A. Olsson, D. Leenhardt and M.K. van Ittersum, 2009. Methodology to translate policy assessment problems into scenarios: the example of the SEAMLESS integrated framework. Environmental Science & Policy 12, 619-630. DOI:10.1016/j.envsci.2009.01.013.

2008

Ittersum, M.K. van, F. Ewert, J. Alkan Olsson, E. Andersen, I. Bezlepkina, F. Brouwer, M. Donatelli, G. Flichman, T. Heckelei, L. Olsson, A. Rizzoli, T. van der Wal, J. Wery and J.E. Wien, 2008. Integrated assessment of agricultural and environmental policies - a modular framework for the EU (SEAMLESS). Agricultural Systems 96, 150-165. DOI:10.1016/j.agsy.2007.07.009.

Reidsma, P. and F. Ewert, 2008. Regional farm diversity can reduce vulnerability of food production to climate change. Ecology and Society 13(1), 38. [online] URL: http://www.ecologyandsociety.org/vol13/iss1/art38/.

Sansford, C.E., R.H.A. Baker, J.P. Brennan, F. Ewert, B. Gioli, A. Inman, A. Kinsella, H.A. Magnus, F. Miglietta, G.M. Murray, A. Porta-Puglia, J.R. Porter, T. Rafoss, L. Riccioni and F. Thorne, 2008. 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. Plant Pathology 57, 603-611. DOI:10.1111/j.1365-3059.2008.01825.x.

Smit, H.J., M.J. Metzger and F. Ewert, 2008. Spatial distribution of grassland productivity and land use in Europe. Agricultural Systems 98, 208-219. DOI:10.1016/j.agsy.2008.07.004.

2007

Bugmann, H., A. Björnsen, F. Ewert, W. Haeberli, A. Guisan, D. Fagre and A. Kääb, 2007. Modeling the impacts of global change in mountain biosphere reserves. Mountain Research and Development 27, 66-77. DOI:10.1659/0276-4741(2007)27[66:MTBIOG]2.0.CO;2.

Ewert, F., J.R. Porter and M.D.A. Rounsevell, 2007. Crop Models, CO2, and Climate Change. Science 315, 459-460. DOI:10.1126/science.315.5811.459c.

Reidsma, P., F. Ewert and A. Oude Lansink, 2007. Analysis of farm performance in Europe under different climatic and management conditions to improve understanding of adaptive capacity. Climatic Change 84, 403-422. DOI:10.1007/s10584-007-9242-7.

2006

Rounsevell, M.D.A., I. Reginster, M.B. Araujo, T.R. Carter, N. Dendoncker, F. Ewert, J. House, S. Kankaanpää, R. Leemans, M. Metzger, C. Schmit, P. Smith and J. Tuck, 2006. A coherent set of future land use change scenarios for Europe. Agriculture, Ecosystems and Environment 114, 57-68. DOI:10.1016/j.agee.2005.11.027.

2005

Bakker, M., G. Govers, F. Ewert and M.D.A. Rounsevell, 2005. Variability in regional wheat yields as a function of climate, soil and socio-economic variables: assessing the risk of confounding. Agriculture, Ecosystems and Environment 110, 195-209. DOI:10.1016/j.agee.2005.04.016.

Ewert, F., M.D.A. Rounsevell, I. Reginster, M. Metzger and R. Leemans, 2005. Futures scenarios of European agricultural land use. I: Estimating changes in crop productivity. Agriculture, Ecosystems and Environment 107, 101-116. DOI:10.1016/j.agee.2004.12.003.

Rounsevell, M.D.A, F. Ewert, I. Reginster, R. Leemans and T. Carter, 2005. Futures scenarios of European agricultural land use. II: Estimating land use changes and regional allocation. Agriculture, Ecosystems and Environment 107, 117-135. DOI:10.1016/j.agee.2004.12.002.

Scholze, M., A. Bondeau, F. Ewert, C. Kucharik, J. Priess and P. Smith, 2005. Advances in Large-Scale Crop Modeling. EOS Transactions, American Geophysical Union 86, 245-247. DOI:10.1029/2005EO260002.

Schröter, D., W. Cramer, R. Leemans, I.C. Prentice, … F. Ewert et al., 2005. Ecosystem service supply and vulnerability to global change in Europe. Science 310, 1333-1337. DOI:10.1126/science.1115233.

Smith, J., P. Smith, M. Wattenbach, S. Zaehle, R. Hiederer, R.J.A. Jones, L. Montanarella, M.D.A. Rounsevell, I. Reginster and F. Ewert, 2005. Projected changes in mineral soil carbon of European croplands and grasslands, 1990-2080. Global Change Biology 11, 2141-2152. DOI:10.1111/j.1365-2486.2005.001075.x

Before 2005

Ewert, F., 2004. Modelling plant responses to elevated CO2: how important is leaf area index? Annals of Botany 93, 619-627.

Ewert, F., D. Rodriguez, P. Jamieson, M.A. Semenov,R.A.C. Mitchell, J. Goudriaan, J.R. Porter, B.A. Kimball, P.J. Pinter Jr,R. Manderscheid, H.J. Weigel, A. Fangmeier, E. Fereres and F. Villalobos, 2002. Effects of elevated CO2 and drought on wheat: testing crop simulation models for different experimental and climatic conditions. Agriculture, Ecosystems and Environment 93, 249-266.

Tubiello, F. and F. Ewert, 2002. Simulating the effects of elevated CO2 on crops: Approaches and Applications for Climate Change. European Journal of Agronomy 18, 57-74.

Rodriguez, D., F. Ewert, J. Goudriaan, R. Manderscheid, S. Burkart and H.J. Weigel, 2001. Modelling the response of wheat canopy assimilation to atmospheric CO2 concentrations. New Phytologist 150, 337-346.

Ewert, F. and J.R. Porter, 2000. Ozone effects on wheat in relation to elevated CO2: Modelling short-term and long-term responses of leaf photosynthesis and leaf duration. Global Change Biology 6, 735-750.

Jamieson, P.D., J. Bernsten, F. Ewert, B.A. Kimball, J.E. Olesen, P.J. Pinter Jr, J.R. Porter and M.A. Semenov, 2000. Modelling CO2 effects on wheat with varying nitrogen supplies. Agriculture, Ecosystems and Environment 82, 27-37.

Ewert, F. and B. Honermeier, 1999. Spikelet initiation of winter triticale and winter wheat in response to nitrogen fertilization. European Journal of Agronomy 11, 107-113.

Ewert, F. and H. Pleijel, 1999. Phenological development, leaf emergence, tillering and leaf area index, and duration of spring wheat across Europe in response to CO2 and ozone. European Journal of Agronomy 10, 171-184.

Ewert, F., M. van Oijen and J.R. Porter, 1999. 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. European Journal of Agronomy 10, 231-247.

Hertstein, U., J. Colls, F. Ewert, M. van Oijen, 1999. Climatic conditions and concentrations of carbon dioxide and air pollutants during ‘ESPACE-wheat’ experiments. European Journal of Agronomy 10, 163-169.

Jamieson, P.D. and F. Ewert, 1999. The role of roots in controlling soil water extraction during drought: an analysis by simulation. Field Crops Research 60, 267-280.

Jamieson, P.D., J.R. Porter, M.A. Semenov, R.J. Brooks, F. Ewert and J.T. Ritchie, 1999. Comments on "Testing UK wheat simulation models predictions against observed UK grain yields" by Landau et al. (1998). Agriculture and Forest Meteorology 96, 157-161.

Oijen, M. van and F. Ewert, 1999. The effects of climatic variation in Europe on the yield response of spring wheat cv. Minaret to elevated CO2 and O3: an analysis of open-top chamber experiments by means of two crop growth simulation models. European Journal of Agronomy 10, 249-264.

Ewert, F., 1996. Spikelet and floret initiation on tillers of winter triticale and winter wheat in different years and sowing dates. Field Crops Research 47, 155-166.

Ewert, F., J.R. Porter and B. Honermeier, B., 1996. Use of AFRCWHEAT2 to predict the develop­ment of tillers in winter triticale and winter wheat in North East Germany. European Journal of Agronomy 5, 89-103.