The Weser River Basin will most likely not meet European water framework directive nitrogen concentration targets by 2015. We use the AGRUM model network connecting hydrological and nutrient transport models with a German agricultural sector model to analyse current and future nitrogen surplus...

The objective of the paper is to show the potential of interdisciplinary model networks consisting of agricultural economic and natural science models performing integrated impact assessments of agri-environmental policies. The potentials are exemplified using a coupling of the agricultural...