@article{fdi:010073069, title = {{O}ccurrence of microplastics in surface waters of the {G}ulf of {L}ion ({NW} {M}editerranean {S}ea)}, author = {{S}chmidt, {N}. and {T}hibault, {D}elphine and {G}algani, {F}. and {P}aluselli, {A}. and {S}empere, {R}.}, editor = {}, language = {{ENG}}, abstract = {{B}etween 2014 and 2016 a total of 43 microplastic samples were collected at six sampling stations in the eastern section of the {G}ulf of {L}ion (located in the northwestern {M}editerranean {S}ea), as well as upstream of the {R}hone {R}iver. {M}icroplastics were found in every sample with highly variable concentrations and masses. {C}oncentrations ranged from 6.10(3) items km(-2) to 1.10(6) items km(-2) (with an average of 112.10(3) items km(-2)), and mass ranged from 0.30 g km(-2) to 1018 g km(-2) {DW} (mean 61.92 +/- 178.03 g km(-2)). {T}he samples with the highest and lowest microplastic count originate both from the {B}ay of {M}arseille. {F}or the {B}ay of {M}arseille, it is estimated that the total microplastic load consist of 519.10(3)-101.10(6) items weighing 0.07-118 kg. {E}stimations for daily microplastic transport by the {N}orthern {C}urrent and the {R}hone {R}iver, two important hydrologic features of the northwestern {M}editerranean {S}ea, range from 0.18 to 86.46 t and from 0.20 to 21.32 kg, respectively. {P}articles < 1 mm(2) clearly dominated sampling stations in the {N}orthern {C}urrent, the {R}hone {R}iver and its plume (52, 53 and 61%, respectively), suggesting a long exposure time in the environment. {I}tems between 1 mm(2) and 5 mm(2) in size were the most abundant microplastics in {M}arseille {B}ay (55%), which suggests coastal pollution sources or the removal of smaller particles from surface waters e.g. by ballasting owing to the presence of epibionts.}, keywords = {{M}arine litter ; {M}icroplastic ; {M}editerranean {S}ea ; {G}ulf of {L}ion ; {M}arseille {B}ay ; {MEDITERRANEE} ; {FRANCE} ; {RHONE} {COURS} {D}'{EAU} ; {MARSEILLE} {BAIE} ; {GOLFE} {DU} {LION}}, booktitle = {{S}pecial issue of {MERMEX} project : recent advances in the oceanography of the {M}editerranean {S}ea}, journal = {{P}rogress in {O}ceanography}, volume = {163}, numero = {{SI}}, pages = {214--220}, ISSN = {0079-6611}, year = {2018}, DOI = {10.1016/j.pocean.2017.11.010}, URL = {https://www.documentation.ird.fr/hor/fdi:010073069}, }