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Evaluating water quality regulation as a driver of farmer behavior: a social-ecological systems approach

Courtney R. Hammond Wagner, Rubenstein School of the Environment and Natural Resources, University of Vermont; Gund Institute for Environment, University of Vermont; Water in the West, Woods Institute for the Environment, Stanford University
Suzie Greenhalgh, Manaaki Whenua Landcare Research, New Zealand
Meredith T. Niles, Gund Institute for Environment, University of Vermont; Department of Nutrition and Food Sciences & Food Systems Program, University of Vermont
Asim Zia, Department of Community Development and Applied Economics, University of Vermont; Department of Computer Science, University of Vermont; Gund Institute for Environment, University of Vermont
William B. Bowden, Rubenstein School of the Environment and Natural Resources, University of Vermont

DOI: http://dx.doi.org/10.5751/ES-12034-250435

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Abstract

Water quality policy for agricultural lands seeks to improve water quality by changing farmer behavior. We investigate farmer behavior in three water quality regimes that differ by rule structure to examine the fit and interplay of each policy within its social-ecological context, important aspects for improving water quality. Vermont, USA’s practice-based policy requires the adoption of specific practices, whereas New Zealand’s Lake Taupo and Lake Rotorua performance-based policies require farmers to meet a numeric limit for nutrient loss on their farm. Across the three regions we interviewed 38 farmers to elicit mental models of nutrient management changes. We utilized the social-ecological systems (SES) framework to guide mental model elicitation, drawing on farmers’ perceptions of the SES to identify salient aspects for behavior. Mental models were grouped by region and analyzed using network analysis. Farmers in all regions self-report high levels of behavior change and cite the policies as key drivers of behavior. This suggests that each policy fits in that it is achieving desired behavior change. However, different behavioral patterns emerged across the regions that we hypothesize have implications for biophysical fit: structural changes dominate in Vermont (e.g., buffers) and system changes in Taupo (e.g., switch from dairy support to beef cattle). The interplay of the policy in each setting, such as with incentive programs in Vermont and a market for nitrogen in Taupo, contributed to the different behavioral patterns. Additionally, access to capital in some form is required for farmers to achieve changes associated with higher biophysical fit. The social fit of the policies also varied, evidenced by dramatic upheaval in Taupo to mostly neutral perceptions of the policy in Vermont. We conclude that regions considering a shift to water quality rules for farms should carefully consider behavioral dynamics in policy design to achieve water quality goals.

Key words

environmental regulation; farmer decision making; mental models; social-ecological systems; water quality

Copyright © 2020 by the author(s). Published here under license by The Resilience Alliance. This article is under a Creative Commons Attribution-NonCommercial 4.0 International License. You may share and adapt the work for noncommercial purposes provided the original author and source are credited, you indicate whether any changes were made, and you include a link to the license.

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Ecology and Society. ISSN: 1708-3087