@article{fdi:010089875, title = {{D}rivers of at-vessel mortality of the blue shark ({P}rionace glauca) and oceanic whitetip shark ({C}archarhinus longimanus) assessed from monitored pelagic longline experiments}, author = {{M}assey, {Y}olu{\`e}ne and {S}abarros, {P}hilippe and {B}ach, {P}ascal}, editor = {}, language = {{ENG}}, abstract = {{E}lasmobranchs make up a significant part of bycatch in pelagic longline fisheries, whose induced mortality can be a major threat to endangered species. {I}t is therefore crucial to understand the drivers of at-vessel mortality ({AVM}) for this fishing gear to enhance postrelease survival. {T}o this end, we analysed scientific data collected during monitored longline fishing experiments conducted in {F}rench {P}olynesia to (i) estimate {AVM} for each species based on bootstrapped samples and (ii) to assess {AVM} drivers using multivariate logistic regression models for the blue shark ({P}rionace glauca) and oceanic whitetip shark ({C}archarhinus longimanus). {W}e found that {AVM} varies widely between species. {O}ceanic whitetip sharks are more likely to die when caught in waters outside their comfort temperature range, and their odds of survival increase with body length. {F}or the blue shark, the only driver related to {AVM} is hooking duration. {T}hese results indicate that to reduce the {AVM} of these two species, the vertical distribution of hooks and soak duration should be considered as mitigation measures related to pelagic longlining.}, keywords = {{POLYNESIE} {FRANCAISE} ; {PACIFIQUE}}, booktitle = {}, journal = {{C}anadian {J}ournal of {F}isheries and {A}quatic {S}ciences}, volume = {79}, numero = {9}, pages = {1407--1419}, ISSN = {0706-652{X}}, year = {2022}, DOI = {10.1139/cjfas-2021-0273}, URL = {https://www.documentation.ird.fr/hor/fdi:010089875}, }