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Seifert-Dahnn I.,Norwegian Institute for Water Research | Barkved L.J.,Norwegian Institute for Water Research | Interwies E.,InterSus Sustainability Services
Sustainability of Water Quality and Ecology | Year: 2015

This paper briefly reviews challenges and shortcomings in implementation of the ecosystem service (ES) approach in water management and indicates possibilities to overcome these. This was the subject of a European workshop held in November 2014 in Oslo, Norway. Biophysical modeling of ES including trade-offs and off-site effects, consideration of different scales, quantification and valuation as well as involvements of stakeholders and communication with them were the main challenges identified. Recommendations included (1) the development of practical, usable guidance documents, (2) sharing of knowledge in ES assessment databases, (3) identification of means by which the "dominance" of monetary valuation can be overcome, (4) collection of evidence on if and how ES assessment results are used in decision making, and (5) a stronger involvement of stakeholders. © 2015 Elsevier B.V. Source


Interwies E.,InterSus Sustainability Services | Gorlitz S.,InterSus Sustainability Services | Bertram C.,Institute For Weltwirtschaft | Rehdanz K.,Institute For Weltwirtschaft
Wasser und Abfall | Year: 2014

The German policy makers are confronted with economic requirements in the implementation of the EU Marine Strategy Framework Directive (MSFD). Against the backdrop of the current state of knowledge, its implementation in completely quantified and monetized form is almost impossible. At least a partially qualitative approach must be used for which a corresponding guide for action will be introduced. The need for research and action will be described. Source


Bertram C.,Kiel Institute for The World Economy | Dworak T.,Fresh Thoughts Consulting GmbH | Gorlitz S.,InterSus Sustainability Services | Interwies E.,InterSus Sustainability Services | And 2 more authors.
Marine Policy | Year: 2014

The Marine Strategy Framework Directive (MSFD) requires EU member states (MS) to develop and implement marine strategies containing programs of measures to protect and preserve the marine environment. Prior to their implementation, impact assessments, including Cost-Benefit-Analyses (CBA), need to be carried out. While the costs of introducing such measures are often relatively easy to determine, the economic valuation of the benefits derived from environmental improvements is much more challenging, particularly in the marine context. Still, it remains an important prerequisite for conducting CBA. The aim of this paper is to evaluate to what extent benefits can be quantified for use in CBA focusing on the German marine waters. The results indicate that there are still considerable gaps in the scientific knowledge about many of the pressures mentioned in the MSFD. Moreover, few economic studies exist that evaluate the benefits of marine protection measures, and many of them are not applicable in the German context. In addition, there is the risk that some benefits accruing from marine protection measures are systematically omitted in CBA. This raises the question to what extent comprehensive CBAs as required by the MSFD are possible in Germany, but also in other EU MS. © 2013 Elsevier Ltd. Source

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