4.6 Article

Using local ecological knowledge to inform semi-quantitative fishery surveillance indicators: an example in marine recreational angling

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ICES JOURNAL OF MARINE SCIENCE
卷 78, 期 10, 页码 3805-3816

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OXFORD UNIV PRESS
DOI: 10.1093/icesjms/fsab234

关键词

Celtic Seas; data-limited stock assessment; Fisher's Local Ecological Knowledge Surveillance Indicators (FLEKSI); marine recreational fisheries (MRF); Marine Strategy Framework Directive (MSFD)

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The FLEKSI method, tested through online questionnaires, surveyed anglers' knowledge of changing marine recreational fisheries around Ireland, showing a long-term decline in fishery descriptors.
Small scale and recreational fisheries often lack quantitative monitoring, highlighting potential for other reproducible ways of understanding state. The Fisher's Local Ecological Knowledge Surveillance Indicator (FLEKSI) method was developed here to express user's LEK as semi-quantitative fishery SI. FLEKSI was tested using an online questionnaire disseminated in 2021 to capture angler's knowledge of changing marine recreational fisheries around Ireland (Celtic Seas ecoregion). Sets of Likert questions evaluated four fishery descriptors (species, community, catch, and effort). Respondents were asked to report the subregion (Irish Sea, Celtic Sea, or West Coast) in which they usually fish, and the duration (y) of their angling career. Likert scores were reported as diverging bar charts, providing SI values that could be evaluated at different spatial or temporal scales. Respondents (N = 657) reported careers of up to > 41 years. ICES assessments of Celtic Seas demersal fish stocks targeted by anglers provide series of SSB/SSBBtrigger against which the FLEKSI SI were compared. FLEKSI suggested long termdecline in all four fishery descriptors, and statistical analysis showed that this trend matched ICES assessment outputs averaged across target stocks of cod, pollack, whiting, and sea bass. FLEKSI provides a standardized framework for integrating user's ways of knowing into fishery monitoring.

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