@article{fdi:010086730, title = {{T}race elements, dioxins and {PCB}s in different fish species and marine regions : importance of the taxon and regional features}, author = {{M}auffret, {A}. and {C}houvelon, {T}. and {W}essel, {N}. and {C}resson, {P}. and {B}anaru, {D}. and {B}audrier, {J}. and {B}ustamante, {P}. and {C}hekri, {R}. and {J}itaru, {P}. and {L}e {L}oc'h, {F}ran{\c{c}}ois and {M}ialet, {B}. and {V}accher, {V}. and {H}armelin-{V}ivien, {M}.}, editor = {}, language = {{ENG}}, abstract = {{C}hemical contaminant concentrations in wild organisms are used to assess environmental status under the {E}u-ropean {M}arine {S}trategy {F}ramework {D}irective. {H}owever, this approach is challenged by the complex intra-and inter-species variability, and the different regional features. {I}n this study, concentrations in trace elements ({A}s, {C}d, {H}g and {P}b), polychlorinated biphenyls ({PCB}s), polychlorodibenzo-para-dioxines ({PCDD}s) and poly-chlorodibenzofuranes ({PCDF}s) were monitored in 8 fish species sampled on the continental shelf of three {F}rench regions: the {E}astern {E}nglish {C}hannel ({EEC}) and {B}ay of {B}iscay ({B}o{B}) in the {N}ortheast {A}tlantic {O}cean, and the {G}ulf of {L}ions ({G}o{L}) in {W}estern {M}editerranean {S}ea. {O}ur objectives were to identify species or regions more likely to be contaminated and to assess how to take this variability into account in environmental assessment. {W}hile con-centrations were higher in benthic and demersal piscivores, {PCB} and {PCDD}/{F} concentrations (lipid-weight) were similar in most teleost species. {F}or {C}d, {H}g and {P}b, the trophic group accumulating the highest concentrations depended on the contaminant and region. {C}oncentrations in {H}g, {PCB}s and {PCDD}/{F}s were higher in the {EEC} and/ or {G}o{L} than in {B}o{B}. {C}admium and {P}b concentrations were highest in the {B}o{B}. {L}ipid content accounted for 35%- 84% of organic contaminant variability. {L}ipid normalisation was employed to enhance robustness in the iden-tification of spatial patterns. {C}ontaminant patterns in chondrichthyans clearly differed from that in teleosts. {I}n addition, trophic levels accounted for <= 1% and <= 33% of the contaminant variability in teleost fishes in the {EEC} and {B}o{B}, respectively. {T}herefore, developing taxa-specific thresholds might be a more practical way forward for environmental assessment than normalisation to trophic levels.}, keywords = {{M}etals ; {P}ersistent organic pollutants ; {B}ioaccumulation ; {T}rophic level ; {L}ipid content ; {M}onitoring ; {FRANCE} ; {ATLANTIQUE} ; {MEDITERRANEE} ; {MANCHE}}, booktitle = {}, journal = {{E}nvironmental {R}esearch}, volume = {216}, numero = {3}, pages = {114624 [13 ]}, ISSN = {0013-9351}, year = {2023}, DOI = {10.1016/j.envres.2022.114624}, URL = {https://www.documentation.ird.fr/hor/fdi:010086730}, }