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Open AccessArticle

Agricultural Nitrogen Pollution of Freshwater in Germany. The Governance of Sustaining a Complex Problem

1
United Nations University—Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES), 01067 Dresden, Germany
2
Humboldt-Universität zu Berlin, 10099 Berlin, Germany
3
SCONAS, 34134 Kassel, Germany
*
Author to whom correspondence should be addressed.
Water 2019, 11(12), 2450; https://doi.org/10.3390/w11122450
Received: 13 September 2019 / Revised: 30 October 2019 / Accepted: 12 November 2019 / Published: 21 November 2019
The nitrogen pollution of freshwater heavily affects social–ecological systems. To reduce negative effects, research calls for an integrated approach, including a coherent and diverse set of governance instruments. Thus far, however, the effects of (non-)integration have been blurry. Taking Germany as an example, this study sheds light on the actual complexity of the problem along five dimensions of complexity (goals, variables, dynamics, interconnections, and uncertainties). It also sheds light on related governance instruments (rules, information, and economic incentives) and their impacts on problem-solving (implementation of specific measures). Analyses include expert interviews on complexity, European water and agricultural policies, and official data on the planning and implementation of measures to reduce nitrogen concentrations. Results show Germany’s path of sustaining a complex problem by using a non-coherent and low diversity governance approach, avoiding rigorous rules, and barely using economic instruments to deal with nitrogen surpluses. A stronger integration of water and agricultural policies, as well as a better use of economic instruments, are suggested to enhance water quality in the future. View Full-Text
Keywords: Common Agricultural Policy; European Water Framework Directive; Nitrates Directive; water pollution; water quality; wicked problems Common Agricultural Policy; European Water Framework Directive; Nitrates Directive; water pollution; water quality; wicked problems
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MDPI and ACS Style

Kirschke, S.; Häger, A.; Kirschke, D.; Völker, J. Agricultural Nitrogen Pollution of Freshwater in Germany. The Governance of Sustaining a Complex Problem. Water 2019, 11, 2450.

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