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Molina-Herrera, S.; Haas, E.; Grote, R.; Kiese, R.; Klatt, S.; Kraus, D.; Kampffmeyer, T.; Friedrich, R.; Andreae, H.; Loubet, B.; Ammann, C.; Horvath, L.; Larsen, K.; Gruening, C.; Frumau, A.; Butterbach-Bahl, K. |
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Title  |
Importance of soil NO emissions for the total atmospheric NOX budget of Saxony, Germany |
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Journal Article |
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Year |
2017 |
Publication |
Atmospheric Environment |
Abbreviated Journal |
Atm. Environ. |
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Volume |
152 |
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Pages |
61-76 |
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Keywords |
LandscapeDNDC; Model evaluation; NOX emissions; Soil emissions; Distributed modeling; Emission inventory; Nitric-Oxide Emissions; European Forest Soils; Nitrous-Oxide; N2O; Emissions; Agricultural Soils; Gas Emissions; Organic Soil; Trace Gases; Model; Fluxes |
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Abstract |
Soils are a significant source for the secondary greenhouse gas NO and assumed to be a significant source of tropospheric NOx in rural areas. Here we tested the LandscapeDNDC model for its capability to simulate magnitudes and dynamics of soil NO emissions for 22 sites differing in land use (arable, grassland and forest) and edaphic as well as climatic conditions. Overall, LandscapeDNDC simulated mean soil NO emissions agreed well with observations (r(2) = 0.82). However, simulated day to day variations of NO did only agree weakly with high temporal resolution measurements, though agreement between simulations and measurements significantly increased if data were aggregated to weekly, monthly and seasonal time scales. The model reproduced NO emissions from high and low emitting sites, and responded to fertilization (mineral and organic) events with pulse emissions. After evaluation, we linked the LandscapeDNDC model to a GIS database holding spatially explicit data on climate, land use, soil and management to quantify the contribution of soil biogenic NO emissions to the total NOx budget for the State of Saxony, Germany. Our calculations show that soils of both agricultural and forest systems are significant sources and contribute to about 8% (uncertainty range: 6 -13%) to the total annual tropospheric NO, budget for Saxony. However, the contributions of soil NO emission to total tropospheric NO, showed a high spatial variability and in some rural regions such as the Ore Mts., simulated soil NO emissions were by far more important than anthropogenic sources. (C) 2016 Elsevier Ltd. All rights reserved. |
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2017-04-07 |
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1352-2310 |
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CropM, ft_macsur |
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Call Number |
MA @ admin @ |
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4943 |
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Author |
Dockter, C.; Hansson, M. |
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Title |
Improving barley culm robustness for secured crop yield in a changing climate |
Type |
Journal Article |
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Year |
2015 |
Publication |
Journal of Experimental Botany |
Abbreviated Journal |
J. Experim. Bot. |
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Volume |
66 |
Issue |
12 |
Pages |
3499-3509 |
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Keywords |
Climate Change; Crops, Agricultural/*anatomy & histology/genetics/*growth & development; Edible Grain/anatomy & histology/genetics/growth & development; Genes, Plant; Hordeum/*anatomy & histology/genetics/*growth & development; Phenotype; Barley (Hordeum vulgare); Green Revolution; brassinosteroid; gibberellin; lodging; plant architecture; short culm |
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Abstract |
The Green Revolution combined advancements in breeding and agricultural practice, and provided food security to millions of people. Daily food supply is still a major issue in many parts of the world and is further challenged by future climate change. Fortunately, life science research is currently making huge progress, and the development of future crop plants will be explored. Today, plant breeding typically follows one gene per trait. However, new scientific achievements have revealed that many of these traits depend on different genes and complex interactions of proteins reacting to various external stimuli. These findings open up new possibilities for breeding where variations in several genes can be combined to enhance productivity and quality. In this review we present an overview of genes determining plant architecture in barley, with a special focus on culm length. Many genes are currently known only through their mutant phenotypes, but emerging genomic sequence information will accelerate their identification. More than 1000 different short-culm barley mutants have been isolated and classified in different phenotypic groups according to culm length and additional pleiotropic characters. Some mutants have been connected to deficiencies in biosynthesis and reception of brassinosteroids and gibberellic acids. Still other mutants are unlikely to be connected to these hormones. The genes and corresponding mutations are of potential interest for development of stiff-straw crop plants tolerant to lodging, which occurs in extreme weather conditions with strong winds and heavy precipitation. |
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0022-0957 1460-2431 |
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Review |
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CropM |
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MA @ admin @ |
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4556 |
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Author |
Rötter, R. |
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Title |
Improving capacity of current crop models for simulating impacts of climatic extremes |
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Conference Article |
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2013 |
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CropM |
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ISI-MIP side event at at the Impacts World 2013, International Conference on Climate Change Effects, Potsdam, 2013-05-27 to 2013-05-30 |
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MA @ admin @ |
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2755 |
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Author |
Barber, H.M.; Gooding, M.J.; Semenov, M.A. |
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Title |
Improving modelling of wheat responses to high temperature stress under climate change |
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Conference Article |
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2014 |
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CropM |
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XIII ESA congress, Debrecen, Hungary, 2014-08-25 to 2014-08-29 |
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MA @ admin @ |
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2299 |
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Author |
Högner, K. |
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Improving the methodology for global agricultural water availability and identifying hot spots for potential dam sites in East-Africa |
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Book Whole |
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Year |
2013 |
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Master's thesis |
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Potsdam Institute for Climate Impact Research |
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M.Sc. |
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M.Sc. |
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TradeM |
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MA @ admin @ |
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5148 |
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