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- Insights into conservation success: analysing shore angling before implementing a marine protected areaPublication . Jacinto, Gonçalo; Veiga, Pedro; Monteiro, Pedro; Erzini, Karim; Gonçalves, Jorge Manuel Santos; Horta e Costa, Barbara; Pontes, João; Guerreiro da Costa Guerreiro, Pedro Miguel; Rangel, Mafalda; Nuñez Velazquez, Samira; Pilar Fonseca, TerezaIn January 2024, the "Natural Marine Park of the Algarve Reef - Pedra do Valado" (NMPAR-PV; southern Portugal), a community-based Marine Protected Area (MPA) was formally classified, setting the scene for a new paradigm for co-creating Portuguese MPAs. While complying with the best practices for MPA establishment, this area also contributes to national and international conservation targets. Measuring the success of MPAs relies on the availability of the best scientific information, including baseline data on biodiversity, habitat and human activities characterization. Marine recreational fishing is a significantly important human activity within this recently designated MPA. Hence, the systematic collection of quantitative data on this activity is critical for determining its impacts and ensuring the preservation and protection of fisheries resource. This study aims to collect and analyze socioeconomic and ecological data on shore angling fisheries at NMPAR-PV, implementing surveys and instantaneous counting. Data from 325 questionnaires and 27 counting surveys conducted between February 2022 and February 2023 highlighted the importance of shore angling. The activity is primarily conducted by local Portuguese men, over 50, employed and with low formal education. Most recreational fishers supported the MPA's implementation, suggesting community care for conservation efforts. The annual fishing effort was estimated at 52 198 +/- 6 631 angling hours, with peaks in Autumn. Annual catches, dominated by Scombridae and Sparidae species, were estimated at 10.41 +/- 1.96 tonnes of fish. This study provides valuable insights into the evolution of recreational fishing activity within the MPA, addressing important information to assess its effectiveness.