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Author |
Bojar, W. |
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Title |
Short information on progress in MACSUR |
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Report |
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Year |
2014 |
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Format UTP |
Abbreviated Journal |
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Volume |
68 C6 - |
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63 |
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TradeM |
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no |
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MA @ admin @ |
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2075 |
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Author |
Kirchner, M.; Schmid, E.; Mitter, H.; Schönhart, M. |
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Title |
Modeling the Impacts of Climate Change and Market Integration on Agricultural Production and Land Use Management in Austria |
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Report |
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Year |
2015 |
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IIASA Interim Report Young Scientists Summer Program |
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TradeM C6 - |
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no |
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MA @ admin @ |
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2065 |
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Author |
Fan, F.; Henriksen, C.B.; Porter, J. |
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Title |
Long-term effects of conversion to organic farming on ecosystem services – a model simulation case study and on-farm case study in Denmark |
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Journal Article |
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Year |
2018 |
Publication |
Agroecology and Sustainable Food Systems |
Abbreviated Journal |
Agroecology and Sustainable Food Systems |
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Volume |
42 |
Issue |
5 |
Pages |
504-529 |
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Keywords |
Long-term; conversion; economic value; ecosystem services; organic farming; agricultural policytrade-offs; Greenhouse-Gas Emissions; Former Arable Soils; Daisy Model; Crop; Production; Conventional Agriculture; Straw Incorporation; Production; Systems; Nitrogen Dynamics; Climate-Change; Water-Balance |
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Abstract |
Organic agriculture aims to produce food while establishing an ecological balance to augment ecosystem services (ES) and has been rapidly expanding in the world since the 1980s. Recently, however, in several European countries, including Denmark, organic farmers have converted back to conventional farming. Hence, understanding how agricultural ES are affected by the number of years since conversion to organic farming is imperative for policy makers to guide future agricultural policy. In order to investigate the long-term effects of conversion to organic farming on ES we performed i) a model simulation case study by applying the Daisy model to simulate 14 different conversion scenarios for a Danish farm during a 65 year period with increasing number of years under organic farming, and ii) an on-farm case study in Denmark with one conventional farm, one organic farm under conversion, and three organic farms converted 10, 15 and 58 years ago, respectively. Both the model simulation case study and the on-farm case study showed that non-marketable ES values increased with increasing number of years under organic farming. Trade-offs between marketable and non-marketable ES were not evident, since also marketable ES values generally showed an increasing trend, except when the price difference between organic and conventional products in the model simulation study was the smallest, and when an alfalfa pre-crop in the on-farm case study resulted in a significantly higher level of plant available nitrogen, which boosted the yield and the associated marketable ES of the subsequent winter rye crop. These results indicate a possible benefit of preserving long-term organic farms and could be used to argue for agricultural policy interventions to offset further reduction in the number of organic farms or the land area under organic farming. |
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2018-05-03 |
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2168-3565 |
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CropM, ft_macsur |
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MA @ admin @ |
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5198 |
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Author |
Zimmermann, A. |
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Title |
Yield trends and variability in the EU |
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Conference Article |
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Year |
2015 |
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Abbreviated Journal |
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TradeM |
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Reading (United Kingdom) |
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MACSUR Final Conference, 2015-04-08 to 2015-04-10, Reading |
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MA @ admin @ |
Serial |
2927 |
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Author |
Witzke, P.; Frank, S.; Zimmermann, A.; Havlík, P.; Ciaian, P. |
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Title |
The impact of climate change on food security – results from a European perspective |
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Conference Article |
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2013 |
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TradeM |
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First International Conference on Global Food Security, Noordwijkerhout, The Netherlands, 2013-09-29 to 2013-10-02 |
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MA @ admin @ |
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2904 |
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