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June 27, 2026PLoS ONEOpen Access

Demonstrating conservation impacts in California Marine Protected Areas using large-scale participatory science data

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Authors

MEM. V. EitzelNUNick UlleRMRyan Meyer

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Overview

Randomized trial investigates human activities in California Marine Protected Areas, indicating compliance with MPA regulations.

Key Points

  • This research examines the impacts of human activities on conservation efforts within California's Marine Protected Areas (MPAs).
  • Utilized participatory data collection involving 1,900 surveyors from 2012−2020.
  • Conducted over 31,700 surveys across 104 coastal sites to record human activities.
  • Analyzed data with generalized linear mixed models (GLMMs) to account for sampling bias.
  • Found lower consumptive activities inside MPAs compared to non-MPAs (indicating compliance with MPA regulations).
  • Observed no significant difference in non-consumptive recreational activities between MPAs and non-MPAs.
  • Identified trends over time and higher activity incidences on weekends compared to weekdays.

Cite This Study

Eitzel et al. (2026) studied this question.

synapsesocial.com/papers/6a3f69a5aea7db3c195405d0https://doi.org/10.1371/journal.pone.0352449
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