@article{fdi:010082051, title = {{P}lastic plants : the role of water hyacinths in plastic transport in tropical rivers}, author = {{S}chreyers, {L}. and van {E}mmerik, {T}. and {N}guyen, {T}. {L}. and {C}astrop, {E}. and {P}hung, {N}. {A}. and {K}ieu-{L}e, {T}. {C}. and {S}trady, {E}milie and {B}iermann, {L}. and van der {P}loeg, {M}.}, editor = {}, language = {{ENG}}, abstract = {{R}ecent studies suggest that water hyacinths can influence the transport of macroplastics in freshwater ecosystems at tropical latitudes. {F}orming large patches of several meters at the water surface, water hyacinths can entrain and aggregate large amounts of floating debris, including plastic items. {R}esearch on this topic is still novel and few studies have quantified the role of the water hyacinths in plastic transport. {I}n this study, we present the findings of a six-week monitoring campaign, combining the use of visual observations and {U}nmanned {A}erial {V}ehicle imagery in the {S}aigon river, {V}ietnam. {F}or the first time, we provide observational evidence that the majority of macroplastic is transported by water hyacinth patches. {O}ver the study period, these fast-growing and free-floating water plants transported 78% of the macroplastics observed. {A}dditionally, we present insights on the spatial distribution of plastic and hyacinths across the river width, and the different characteristics of entrapped items compared with free-floating ones. {W}ith this study, we demonstrate the role of water hyacinths as a river plastic aggregator, which is crucial for improving the understanding of plastic transport, and optimizing future monitoring and collection strategies.}, keywords = {macroplastic ; microplastic ; riverine pollution ; aquatic vegetation ; observations ; field data ; {VIET} {NAM} ; {SAIGON} {COURS} {D}'{EAU}}, booktitle = {}, journal = {{F}rontiers in {E}nvironmental {S}cience}, volume = {9}, numero = {}, pages = {686334 [9 ]}, year = {2021}, DOI = {10.3389/fenvs.2021.686334}, URL = {https://www.documentation.ird.fr/hor/fdi:010082051}, }