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Actor modelling and its contribution to the development of integrative strategies for management of pharmaceuticals in drinking water

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  • Titz, Alexandra
  • Döll, Petra

Abstract

Widespread presence of human pharmaceuticals in water resources across the globe is documented. While some, but certainly not enough, research on the occurrence, fate and effect of pharmaceuticals in water resources has been carried out, a holistic risk management strategy is missing. The transdisciplinary research project "start" aimed to develop an integrative strategy by the participation of experts representing key actors in the problem field "pharmaceuticals in drinking water". In this paper, we describe a novel modelling method, actor modelling with the semi-quantitative software DANA (Dynamic Actor Network Analysis), and its application in support of identifying an integrative risk management strategy. Based on the individual perceptions of different actors, the approach allows the identification of optimal strategies. Actors' perceptions were elicited by participatory model building and interviews, and were then modelled in perception graphs. Actor modelling indicated that an integrative strategy that targets environmentally-responsible prescription, therapy, and disposal of pharmaceuticals on one hand, and the development of environmentally-friendly pharmaceuticals on the other hand, will likely be most effective for reducing the occurrence of pharmaceuticals in drinking water (at least in Germany where the study was performed). However, unlike most other actors, the pharmaceutical industry itself does not perceive that the production of environmentally-friendly pharmaceuticals is an action that helps to achieve its goals, but contends that continued development of highly active pharmaceutical ingredients will help to reduce the occurrence of pharmaceuticals in the water cycle. Investment in advanced waste or drinking water treatment is opposed by both the wastewater treatment company and the drinking water supplier, and is not mentioned as appropriate by the other actors. According to our experience, actor modelling is a useful method to suggest effective and realisable integrative risk management strategies in complex problem fields that involve many societal actors.

Suggested Citation

  • Titz, Alexandra & Döll, Petra, 2009. "Actor modelling and its contribution to the development of integrative strategies for management of pharmaceuticals in drinking water," Social Science & Medicine, Elsevier, vol. 68(4), pages 672-681, February.
    • Handle: RePEc:eee:socmed:v:68:y:2009:i:4:p:672-681
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    1. René von Schomberg, 2006. "The Precautionary Principle and its Normative Challenges," Chapters, in: Elizabeth Fisher & Judith Jones & René von Schomberg (ed.), Implementing the Precautionary Principle, chapter 2, Edward Elgar Publishing.
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    Cited by:

    1. Ana Guzmán Ruiz & Meredith Dobbie & Rebekah Brown, 2017. "Insights and future directions of transdisciplinary practice in the urban water sector," Journal of Environmental Studies and Sciences, Springer;Association of Environmental Studies and Sciences, vol. 7(2), pages 251-263, June.

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