@article{fdi:010082758, title = {{T}una behaviour at anchored {FAD}s inferred from {L}ocal {E}cological {K}nowledge ({LEK}) of pole-and-line tuna fishers in the {M}aldives}, author = {{J}auharee, {A}. {R}. and {C}apello, {M}anuela and {S}imier, {M}onique and {F}orget, {F}abien and {A}dam, {M}. {S}. and {D}agorn, {L}aurent}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}aldives tuna fishery landings in 2018 were 148, 000 t and accounted for nearly a quarter of the global pole-and-line tuna catch. {T}his fishery partially relies on a network of 55 anchored fish aggregating devices ({AFAD}s) deployed around the archipelago. {A}bout one-third of the total pole-and-line tuna catch is harvested at {AFAD}s. {A}lthough the {AFAD} fishery has existed for 35 years, knowledge on the behaviour of tuna in the {AFAD} array is still limited, precluding the development of science-based fishery management. {I}n this study, local ecological knowledge ({LEK}) of fishers was used to improve our understanding of tuna behaviour, through personal interviews of 54 pole-and-line fishers from different parts of the archipelago. {I}nterview results suggest that during the northeast monsoon tuna are more abundant on the eastern side of the {M}aldives, while during the southwest monsoon they are more abundant on the western side of the {M}aldives. {M}ost fishers believed that tuna tend to stay at the {AFAD}s for 3 to 6 days and remain within 2 miles from the {AFAD}s when they are associated. {F}ishers believe that strong currents is the main factor for tuna departure from {AFAD}s, though high sea surface temperatures and stormy conditions were also thought to contribute to departures. {M}oderate currents are believed to be a favourable condition to form aggregations at the {AFAD}s while other factors such as suitable temperature, prey and attractants enhance this aggregation. {F}ishers also believe that there are multiple schools segregated according to size and species at {AFAD}s and that catchability is higher at dawn and in the late afternoon when the tuna occur shallower in the water column. {T}his study is an important step towards engaging the {M}aldivian tuna fishers into a science-based fishery management.}, keywords = {{MALDIVES} ; {OCEAN} {INDIEN}}, booktitle = {}, journal = {{PL}o{S} {O}ne}, volume = {16}, numero = {7}, pages = {e0254617 [19 ]}, ISSN = {1932-6203}, year = {2021}, DOI = {10.1371/journal.pone.0254617}, URL = {https://www.documentation.ird.fr/hor/fdi:010082758}, }