@article{PAR00021324, title = {{M}icroplastics in surface waters of the {G}ulf of {G}abes, southern {M}editerranean sea : distribution, composition and influence of hydrodynamics}, author = {{Z}ayen, {A}. and {S}ayadi, {S}. and {C}hevalier, {C}rist{\`e}le and {B}oukthir, {M}. and {B}en {I}smail, {S}. and {T}edetti, {M}arc}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}editerranean {S}ea has been described as one of the most affected areas by marine litter in the world. {A}lthough microplastics and their effects have been investigated in this area, most of the currently available studies have been limited to the northwestern part of the basin. {T}his study constitutes a first attempt to determine the abundance, characteristics and composition of microplastics in near surface waters of the {G}ulf of {G}abes (southern {M}editerranean {S}ea, {T}unisia). {S}amples were collected using a 200 mu m-mesh size trawl net along two transects. {T}he study revealed an average concentration of 63,739 items/km(2) where fragments and films were the most frequent microplastics. {P}olyethylene, reformulated polyethylene and polypropylene were the most abundant plastics identified among the samples (86-100%). {T}he influence of hydrodynamics on microplastics in the {G}ulf of {G}abes was investigated through the use of a {L}agrangian tracking model to simulate the dispersion of particles in water. {M}odelling results seem to be in agreement with the reported distribution and characteristics of microplastics in this area.}, keywords = {{M}icroplastics ; {G}ulf of gabes ; {M}editerranean sea ; {H}ydrodynamics ; {M}odelling ; {MEDITERRANEE} ; {TUNISIE} ; {GABES} {GOLFE}}, booktitle = {}, journal = {{E}stuarine {C}oastal and {S}helf {S}cience}, volume = {242}, numero = {}, pages = {106832 [11 ]}, ISSN = {0272-7714}, year = {2020}, DOI = {10.1016/j.ecss.2020.106832}, URL = {https://www.documentation.ird.fr/hor/{PAR}00021324}, }