Community-based monitoring: facing the scarcity of data in a lagoon system in Southeast Brazil
DOI:
https://doi.org/10.20950/1678-2305/bip.2026.52.e934Keywords:
Small-scale fisheries, Coastal lagoon, Participatory methods, Unreported dataAbstract
Small-scale fisheries are essential for livelihoods, food security, and income generation. However, information on fishing in lagoon environments in Brazil is scarce and historically neglected, leaving this sector on the margins of management actions and public policies. This paper describes the experience of applying participatory methods to reveal the fisheries and fishing activities carried out between 2019 and 2023 in the Piratininga-Itaipu Lagoon System, in the metropolitan region of Rio de Janeiro, southeastern Brazil. The work included three stages: exploratory phase and fishers’ engagement, assisted fisheries self-monitoring program, and fishers’ validation and results assessment. The results showed that 40 fishers and 25 boats actively participate in the fisheries. The total production landed in 2022 was 52.2 tons, corresponding to 16.5 kg/hectare/year and 1,305.8 kg/fisher/year. These results indicated the socio-economic importance of the activity, contributing to the conquest of the right to territory by the Piratininga lagoon fishers. The effectiveness of the participatory techniques used reinforces the importance of collaboration between fishers and researchers in consolidating information on the lagoon fisheries systems
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Copyright (c) 2026 Maurício Düppré de Abreu, Magda Fernandes de Andrade-Tubino, Júlia Benevenuti Soares, Cassiano Monteiro-Neto, Marcus Rodrigues da Costa, Rafael de Almeida Tubino

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