@article{fdi:010092933,
  title = {{T}rends and drivers of {F}rench tropical tuna purse-seine vessel behavior in the {A}tlantic and {I}ndian {O}ceans, 2004-2020},
  author = {{L}au-{M}edrano, {W}. and {G}aertner, {D}aniel and {M}arsac, {F}rancis and {K}aplan, {D}avid},
  editor = {},
  language = {{ENG}},
  abstract = {{T}his study examines the spatio-temporal trends in fishing practices at the fishing trip scale of the {F}rench tropical tuna purse-seine fleet in the {I}ndian and {A}tlantic {O}ceans on 17 years, focusing on trends in fishing on freeswimming schools ({FSC}) versus fishing on floating objects ({FOB}s). {K}ey metrics, such as trip duration, median speed, sinuosity, area explored and the fraction of sets of {FOB}s, were calculated to quantify fishing trip patterns, and a {PCA} analysis was conducted to explore relationships between these metrics. {O}ur findings show a marked shift towards {FOB} fishing, likely driven by advancements in tracking technology, which have improved fishing efficiency and reduced search time, and changes in regulations and fishing context, which have provided unintentional incentives for {FOB} fishing. {T}he data reveal distinct trends between oceans, with shorter fishing trips and a higher rate of {FOB} fishing in the {I}ndian {O}cean, likely linked to recent increases in skipjack tuna abundance and catch limits on yellowfin tuna in that ocean. {T}emporal changes in fishing trip metrics suggest that the key factors influencing fishing strategies include oceanographic variability, management regulations, and socioeconomic conditions like piracy and fuel costs. {O}ur analysis provides critical insights into how technological innovations and environmental factors shape fishing strategies, contributing to the sustainable management of tuna fisheries.},
  keywords = {{F}rench purse-seine tuna fishery ; {F}ishing trips ; {A}tlantic and {I}ndian ; {O}ceans ; {D}escriptive analysis on trends ; {FRANCE} ; {ATLANTIQUE} ; {OCEAN} {INDIEN} ; {ZONE} {TROPICALE}},
  booktitle = {},
  journal = {{F}isheries {R}esearch},
  volume = {285},
  numero = {},
  pages = {107330 [12 p.]},
  ISSN = {0165-7836},
  year = {2025},
  DOI = {10.1016/j.fishres.2025.107330},
  URL = {https://www.documentation.ird.fr/hor/fdi:010092933},
}