A participatory approach for comparing stakeholders’ evaluation of P loss mitigation options in a high ecological status river catchment

Micha, Evgenia ORCID: 0000-0002-5697-3317, Roberts, William, Ryan, Mary, O’Donoghue, Cathal and Daly, Karen (2018) A participatory approach for comparing stakeholders’ evaluation of P loss mitigation options in a high ecological status river catchment. Environmental Science and Policy, 84. pp. 41-51. doi:10.1016/j.envsci.2018.02.014

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Phosphorus (P) transfer from land to water is a source of diffuse pollution that contributes to the decline in ecological status of river bodies in the European Union. The Water Framework Directive (2000/60/EC) provides for the protection of water bodies that represent pristine or near-pristine condition, classified as high ecological status through the adoption of an agri-environmental decision making process that promotes stakeholder participation. However, successful implementation of agri-environmental policies can prove challenging when faced with uncertainties and diverging opinions due to the variety of actors involved. This study adopted a participatory approach including stakeholders with conflicting interests in the selection of P transfer mitigation policies. Fifteen P transfer mitigation options were shortlisted based on agronomic and environmental data from a case-study agricultural catchment and presented to a group of experts and farmers. Results showed significant disparities between perceived effectiveness by farmers and experts groups, with experts prioritizing problems related to connectivity issues, while farmers to soil compaction and erosion. In addition, measured agronomic and environmental variables were used to model effectiveness from a decision support tool (FARMSCOPER) and compared with stakeholder groups’ perceived effectiveness. This approach combined the scientific research with the empirical knowledge of farmers and the modelling of quantified field and farm data. This study showed that stakeholders are diverse, and perceive effectiveness based on group-specific operational and social factors. Experts identified effectiveness at catchment scale, whilst farmers identified field scale effectiveness. For decision support tools and simulation models to be beneficial for policy makers, they need to be calibrated to local conditions and farm typologies to select the right measure at farm scale. The study recommends improved knowledge transfer between interested actors and the need for integration of conflicting opinions in policy design. A bottom-up approach to decision making is suggested, to assist in the decentralization of the procedures towards more effectively implemented P transfer mitigation policies.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Agriculture; High status river bodies; Phosphorus; Participatory methods; Policy design; REF2021
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
S Agriculture > S Agriculture (General) > S589.75 Agriculture and the environment
Divisions: Schools and Research Institutes > Countryside and Community Research Institute
Research Priority Areas: Place, Environment and Community
Depositing User: Susan Turner
Date Deposited: 01 Mar 2019 13:27
Last Modified: 04 Feb 2022 14:01
URI: https://eprints.glos.ac.uk/id/eprint/6566

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