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Dryad

Perceptions of seaweed aquaculture in Santa Barbara and Ventura counties

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May 12, 2022 version files 3.43 MB

Abstract

Marine seaweed aquaculture provides sustainable forms of food, fertilizers, and pharmaceuticals while potentially contributing to nutrient mitigation, habitat creation, and short-term carbon sequestration. The industry in the United States is underdeveloped due to a combination of economic, social, and regulatory constraints. These constraints exist in California where there is an insufficient understanding of how the public and key stakeholder groups perceive seaweed aquaculture, which appears to limit political support for or against further developing the industry. Our study conducted a public survey and semi-structured interviews with key stakeholder groups to determine perceptions of seaweed aquaculture and whether it has a Social License to Operate (SLO) in Santa Barbara and Ventura counties. Survey results indicate less public opposition to seaweed aquaculture than described in the scientific literature and by stakeholders associated with the industry, with a majority (56.8%) of residents in support of seaweed aquaculture expansion and relatively few (8.8%) in opposition. Many residents are unfamiliar with the implications, benefits, and impacts of the industry. Communication strategies to inform stakeholder groups should provide clear and accessible information to stakeholders so they will be more likely to form positive perceptions of seaweed aquaculture and support future projects. Interview analysis suggests that offshore seaweed aquaculture in southern California has a conditional SLO. Despite widespread support from the scientific community and public, and general acceptance from federal agencies, the industry has not shown accountability to environmental non- governmental organizations (ENGOs) and state agencies. Pilot projects can build interactional trust with influential ENGOs and the fishing industry.