@inproceedings{fdi:010067418,
  title = {{L}ength-weight relationships for tropical tunas caught with purse seine in the {I}ndian {O}cean : update and lessons learned},
  author = {{C}hassot, {E}mmanuel and {A}ssan, {C}. and {E}sparon, {J}. and {T}irant, {A}. and {D}elgado de {M}olina, {A}. and {D}ewals, {P}atrice and {A}ugustin, {E}. and {B}odin, {N}athalie},
  editor = {},
  language = {{ENG}},
  abstract = {{M}orphometric data for tropical tunas caught with purse seine have been collected in the {I}ndian {O}cean over the last decades through routine sampling at processing factories and research projects. {W}e estimate the parameters of allometric relationships between fork length (cm) and total weight (kg) for bigeye ({T}hunnus obesus), skipjack ({K}atsuwonus pelamis), and yellowfin tuna ({T}hunnus albacares) caught with purse seine in the {I}ndian {O}cean. {W}e show that relationships currently used in the {IOTC} underestimate weights at length for bigeye and skipjack with potential consequences for the estimates of purse seine catch and other datasets derived from fish numbers and size data. {W}e question the use of gear-specific length-weight relationships for tropical tunas. {W}e recommend to carefully and systematically collect morphometric data required for conversion factors and relationships and made them available to the {IOTC} {S}ecretariat as they are key in data processing and can eventually affect the monitoring of the status of tuna and tuna-like stocks in the {I}ndian {O}cean.},
  keywords = {{OCEAN} {INDIEN}},
  numero = {{IOTC}-2016-{WPDCS}12-{INF}05},
  pages = {11  multigr.},
  booktitle = {},
  year = {2016},
  URL = {https://www.documentation.ird.fr/hor/fdi:010067418},
}