@article{fdi:010075659, title = {{C}ommercial traceability of {A}rapaima spp. fisheries in the {A}mazon basin : can biogeochemical tags be useful ?}, author = {{P}ereira, {L}. {A}. and {S}antos, {R}. {V}. and {H}auser, {M}. and {D}uponchelle, {F}abrice and {C}arvajal, {F}. and {P}echeyran, {C}. and {B}erail, {S}. and {P}ouilly, {M}arc}, editor = {}, language = {{ENG}}, abstract = {{T}he development of analytical tools to determine the origin of fishes is useful to better understand patterns of habitat use and to monitor, manage, and control fisheries, including certification of food origin. {T}he application of isotopic analyses to study calcified structures of fishes (scales, vertebrae, and otoliths) may provide robust information about the fish geographic origin and environmental living conditions. {I}n this study, we used {S}r and {C} isotopic markers recorded in otoliths of wild and farmed commercialized pirarucu ({A}rapaima spp.) to evaluate their prediction potential to trace the fishes origin. {W}ild and farmed fish specimens, as well as food used for feeding pirarucu in captivity, were collected from different sites. {I}sotope composition of otoliths performed by isotope-ratio mass spectrometry ({IRMS}; delta {C}-13) and femtosecond laser ablation multi-collector inductively coupled plasma mass spectrometry ({LA}fs-{MC}-{ICPMS}; {S}r-87/{S}r-86) were compared to the isotopic composition of water and of the food given to the fishes in the farms. {W}ild fish specimens that lived in environments with the largest fluctuation of river water {S}r isotope ratios over time presented the largest {S}r isotope variations in otoliths. {A} quadratic discriminant analysis on otolith isotopic composition provided 58% of correct classification for fish production (wild and farmed) and 76% of correct classification for the fish region. {C}lassification accuracy for region varied between 100% and 29% for the {M}adeira and the {L}ower {A}mazon fishes, respectively. {O}verall, this preliminary trial is not yet fully developed to be applied as a commercial traceability tool. {H}owever, given the importance of {A}rapaima spp. for food security and the generation of economic resources for millions of people in the {A}mazon basin, further analyses are needed to increase the discrimination performance of these biogeographical tags.}, keywords = {{BRESIL} ; {BOLIVIE} ; {PEROU} ; {AMAZONE} {BASSIN}}, booktitle = {}, journal = {{B}iogeosciences}, volume = {16}, numero = {8}, pages = {1781--1797}, ISSN = {1726-4170}, year = {2019}, DOI = {10.5194/bg-16-1781-2019}, URL = {https://www.documentation.ird.fr/hor/fdi:010075659}, }