Search Results - "Ewert, F."

Spatio-temporal patterns of phenological development in Germany in relation to temperature and day length by Siebert, S., Ewert, F.

“…[Display omitted] ► Spatio-temporal patterns of oat phenological development are analyzed. ► The warming trend enhanced phenological stages and shortened…”
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Rising Temperatures Reduce Global Wheat Production by Asseng, S., Ewert, F., Martre, P., Rötter, R. P., Lobell, D. B., Cammarano, D., Kimball, B. A., Ottman, M. J., Wall, G. W., White, J. W., Reynolds, M. P., Alderman, P. D., Prasad, P. V. V., Aggarwal, P. K., Anothai, J., Basso, B., Biernath, C., Challinor, A. J., De Sanctis, G., Doltra, J., Fereres, E., Garcia-Vila, M., Gayler, S., Hoogenboom, G., Hunt, L. A., Izaurralde, R. C., Jabloun, M., C. D. Jones, Kersebaum, K. C., Koehler, A-K., Müller, C., Naresh Kumar, S., Nendel, C., O’Leary, G., Olesen, J. E., Palosuo, T., Priesack, E., Eyshi Rezaei, E., Ruane, A. C., Semenov, M. A., Shcherbak, I., Stöckle, C., Stratonovitch, P., Streck, T., Supit, I., Tao, F., Thorburn, P. J., Waha, K., Wang, E., Wallach, D., Wolf, J., Zhao, Z., Zhu, Y.

“…Crop models are essential tools for assessing the threat of climate change to local and global food production. Present models used to predict wheat grain…”
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The Agricultural Model Intercomparison and Improvement Project (AgMIP): Protocols and pilot studies by Rosenzweig, C., Jones, J.W., Hatfield, J.L., Ruane, A.C., Boote, K.J., Thorburn, P., Antle, J.M., Nelson, G.C., Porter, C., Janssen, S., Asseng, S., Basso, B., Ewert, F., Wallach, D., Baigorria, G., Winter, J.M.

“…► Introduces the Agricultural Model Intercomparison and Improvement Project (AgMIP). ► Describes AgMIP Protocols for consistent research activities. ►…”
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Uncertainty in simulating wheat yields under climate change by Asseng, S, Ewert, F, Rosenzweig, C, Jones, J. W, Hatfield, J. L, Ruane, A. C, Boote, K. J, Thorburn, P. J, Rötter, R. P, Cammarano, D

“…Projections of climate change impacts on crop yields are inherently uncertain1. Uncertainty is often quantified when projecting future greenhouse gas emissions…”
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Independent and combined effects of high temperature and drought stress around anthesis on wheat by Mahrookashani, A., Siebert, S., Hüging, H., Ewert, F.

“…High temperature and drought stress are projected to reduce crop yields and threaten food security. While effects of heat and drought on crop growth and yield…”
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Yield variation of rainfed rice as affected by field water availability and N fertilizer use in central Benin by Niang, A., Becker, M., Ewert, F., Tanaka, A., Dieng, I., Saito, K.

“…Rice is mainly grown under rainfed conditions in West Africa. Unpredictable and variable rainfall, poor soil quality, and suboptimal crop management practices…”
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Global wheat production with 1.5 and 2.0°C above pre‐industrial warming by Liu, Bing, Martre, Pierre, Ewert, Frank, Porter, John R., Challinor, Andy J., Müller, Christoph, Ruane, Alex C., Waha, Katharina, Thorburn, Peter J., Aggarwal, Pramod K., Ahmed, Mukhtar, Balkovič, Juraj, Basso, Bruno, Biernath, Christian, Bindi, Marco, Cammarano, Davide, De Sanctis, Giacomo, Dumont, Benjamin, Espadafor, Mónica, Eyshi Rezaei, Ehsan, Ferrise, Roberto, Garcia‐Vila, Margarita, Gayler, Sebastian, Gao, Yujing, Horan, Heidi, Hoogenboom, Gerrit, Izaurralde, Roberto C., Jones, Curtis D., Kassie, Belay T., Kersebaum, Kurt C., Klein, Christian, Koehler, Ann‐Kristin, Maiorano, Andrea, Minoli, Sara, Montesino San Martin, Manuel, Naresh Kumar, Soora, Nendel, Claas, O’Leary, Garry J., Palosuo, Taru, Priesack, Eckart, Ripoche, Dominique, Rötter, Reimund P., Semenov, Mikhail A., Stöckle, Claudio, Streck, Thilo, Supit, Iwan, Tao, Fulu, Van der Velde, Marijn, Wallach, Daniel, Wang, Enli, Webber, Heidi, Wolf, Joost, Xiao, Liujun, Zhang, Zhao, Zhao, Zhigan, Zhu, Yan, Asseng, Senthold

“…Efforts to limit global warming to below 2°C in relation to the pre‐industrial level are under way, in accordance with the 2015 Paris Agreement. However, most…”
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Crop modelling for integrated assessment of risk to food production from climate change by 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., Bartošová, L., Asseng, S.

“…The complexity of risks posed by climate change and possible adaptations for crop production has called for integrated assessment and modelling (IAM)…”
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Simulation of the phenological development of wheat and maize at the global scale by Bussel, L. G. J, Stehfest, E, Siebert, S, Müller, C, Ewert, F

“…AIM: To derive location‐specific parameters that reflect the geographic differences among cultivars in vernalization requirements, sensitivity to day length…”
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Genetic yield gains of winter wheat in Germany over more than 100 years (1895-2007) under contrasting fertilizer applications by Ahrends, H E, Eugster, W, Gaiser, T, Rueda-Ayala, V, Hüging, H, Ewert, F, Siebert, S

“…For highly productive regions such as Germany, the increase of wheat grain yields observed throughout the 20th century is largely attributed to the progress in…”
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Impact of data resolution on heat and drought stress simulated for winter wheat in Germany by Eyshi Rezaei, E., Siebert, S., Ewert, F.

“…•No large difference were found between input and output aggregation approaches.•Variability of soil has higher impact on simulation results than variability…”
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Spatial distribution of grassland productivity and land use in Europe by Smit, H.J., Metzger, M.J., Ewert, F.

“…Grasslands are an important land use in Europe with essential functions for feed and ecosystem service supply. Impact assessment modelling of European…”
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Simulating canopy temperature for modelling heat stress in cereals by Webber, H., Ewert, F., Kimball, B.A., Siebert, S., White, J.W., Wall, G.W., Ottman, M.J., Trawally, D.N.A., Gaiser, T.

“…Crop models must be improved to account for the effects of heat stress events on crop yields. To date, most approaches in crop models use air temperature to…”
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Effects of data aggregation on simulations of crop phenology by van Bussel, L.G.J., Ewert, F., Leffelaar, P.A.

“…Policy decisions are often taken at the regional scale, while crop models, supporting these decisions, have been developed for individual locations, expecting…”
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Future scenarios of European agricultural land use. I. Estimating changes in crop productivity by Ewert, F, Rounsevell, M.D.A, Reginster, I, Metzger, M.J, Leemans, R

“…The future of agricultural land use in Europe is unknown but is likely to be influenced by the productivity of crops. Changes in crop productivity are…”
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Adaptation response surfaces for managing wheat under perturbed climate and CO2 in a Mediterranean environment by 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., Kersebaum, K.C., Krzyszczak, J., Lana, M., Mechiche-Alami, A., Minet, J., Montesino, M., Nendel, C., Porter, J.R., Ruget, F., Semenov, M.A., Steinmetz, Z., Stratonovitch, P., Supit, I., Tao, F., Trnka, M., de Wit, A., Rötter, R.P.

“…Adaptation of crops to climate change has to be addressed locally due to the variability of soil, climate and the specific socio-economic settings influencing…”
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Temperature and precipitation effects on wheat yield across a European transect: a crop model ensemble analysis using impact response surfaces by Pirttioja, N., Carter, T. R., Fronzek, S., Bindi, M., Hoffmann, H., Palosuo, T., Ruiz-Ramos, M., Tao, F., Trnka, M., Acutis, M., Asseng, S., Baranowski, P., Basso, B., Bodin, P., Buis, S., Cammarano, D., Deligios, P., Destain, M.-F., Dumont, B., Ewert, F., Ferrise, R., François, L., Gaiser, T., Hlavinka, P., Jacquemin, I., Kersebaum, K. C., Kollas, C., Krzyszczak, J., Lorite, I. J., Minet, J., Minguez, M. I., Montesino, M., Moriondo, M., Müller, C., Nendel, C., Öztürk, I., Perego, A., Rodríguez, A., Ruane, A. C., Ruget, F., Sanna, M., Semenov, M. A., Slawinski, C., Stratonovitch, P., Supit, I., Waha, K., Wang, E., Wu, L., Zhao, Z., Rötter, R. P.

“…This study explored the utility of the impact response surface (IRS) approach for investigating model ensemble crop yield responses under a large range of…”
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Adaptation of crop production to climate change by crop substitution by Eyshi Rezaei, E., Gaiser, T., Siebert, S., Ewert, F.

“…Research on the impact of climate change on agricultural production has mainly focused on the effect of climate and its variability on individual crops, while…”
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Implications of crop model ensemble size and composition for estimates of adaptation effects and agreement of recommendations by Rodríguez, A., Ruiz-Ramos, M., Palosuo, T., Carter, T.R., Fronzek, S., Lorite, I.J., Ferrise, R., Pirttioja, N., Bindi, M., Baranowski, P., Buis, S., Cammarano, D., Chen, Y., Dumont, B., Ewert, F., Gaiser, T., Hlavinka, P., Hoffmann, H., Höhn, J.G., Jurecka, F., Kersebaum, K.C., Krzyszczak, J., Lana, M., Mechiche-Alami, A., Minet, J., Montesino, M., Nendel, C., Porter, J.R., Ruget, F., Semenov, M.A., Steinmetz, Z., Stratonovitch, P., Supit, I., Tao, F., Trnka, M., de Wit, A., Rötter, R.P.

“…•Crop model ensemble size and composition affect the ensemble outputs.•Recommendations on adaptation are sensitive to model ensemble composition and size.•The…”
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A statistical analysis of three ensembles of crop model responses to temperature and CO2 concentration by 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.

“…•Statistical models were developed to emulate ensembles of process-based crop models.•They describe the between-crop model variability of the simulated yield…”
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