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Factors Affecting Risk Perceptions about the Human Health Effects Resulting from Harmful Algal Bloom Exposure.

Alexandra Benitez Gonzalez1, Heather Triezenberg1,2, Abigail Bennett1

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Summary
This summary is machine-generated.

Effective communication of harmful algal blooms (HABs) risks requires building trust with local networks and communities. Official channels often miss vulnerable populations, highlighting the need for tailored, community-involved risk messaging.

Keywords:
communication preferencescommunity engagementharmful algal bloomssocial amplification of risk frameworktrustvulnerable populations

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Area of Science:

  • Environmental Science
  • Public Health
  • Risk Communication

Background:

  • Harmful algal blooms (HABs) in the Great Lakes pose significant risks.
  • Current risk communication strategies from government agencies are of unclear effectiveness.
  • Understanding public perception and communication preferences is crucial for HABs management.

Purpose of the Study:

  • To examine effective communication strategies for HABs risks.
  • To understand public risk perceptions of HABs during recreational lake use in Michigan.
  • To identify trusted information sources for vulnerable populations.

Main Methods:

  • Qualitative study utilizing the social amplification of risk framework.
  • Conducted 27 semi-structured interviews with individuals from vulnerable populations in 2021.
  • Explored awareness, experiences, and communication preferences regarding HABs.

Main Results:

  • Respondents lacked knowledge of HABs-specific health effects despite general familiarity with algal ecology.
  • Vulnerable populations expressed greater trust in local networks, leaders, and peers over state/federal agencies.
  • A gap exists between trusted information sources and official information dissemination channels.

Conclusions:

  • Effective HABs communication necessitates accurate scientific information combined with trust-building approaches.
  • Communication strategies must consider social context, audience characteristics, and community involvement.
  • Engaging communities actively in risk information is vital for successful HABs management.