Review of regional scale models in the EU and methods commonly used when modelling outcomes of the implementation of the climate change mitigation policies

Tommy Dalgaard, Chris Kjeldsen, Morten Graversgard


Management of Nitrogen (N) losses and the related greenhouse gas emissions is one of the most important environmental issues related to agriculture. This report shows examples of an integrated model tool, developed to quantify the N‐dynamics at the complex interface between agriculture and the environment, and quantify effects of different management practices. Based on results from the EU funded research projects NitroEurope ( and MEAscope (www.MEA‐, examples from the quantification of farm N‐losses in European agricultural landscapes are demonstrated. Applications of the dynamic whole farm model FASSET (, and the Farm‐N tool (‐ to calculate farm N balances, and distribute the surplus N between different types of N‐losses (volatilisation, denitrification, leaching), and the related greenhouse gas emissions, show significant variation between landscapes and management practices. Moreover, significant effects of the nonlinearities, appearing when integrating over time, and scaling up from farm to landscape, are demonstrated. Finally, perspectives for stakeholder involvement is included and general recommendations for landscape level management of farm related nitrogen and greenhouse gas fluxes are made, and discussed in relation to ongoing research in the European research projects.


environmental management; agriculture; nitrogen; greenhouse gases; ecosystem services


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