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Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna
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Researchers exposed the freshwater cladoceran Daphnia magna to five water-soluble synthetic polymers commonly used as industrial flocculants and coagulants, finding sublethal life history changes and elevated reactive oxygen species levels without acute mortality. Because daphnids are keystone species controlling phytoplankton biomass, these sublethal effects could produce cascading trophic consequences, highlighting water-soluble polymers as a neglected class of aquatic contaminants.
Plastic pollution is considered one of the causes of global change. However, water soluble synthetic polymers (WSSPs) have been neglected so far, although they are used in several industrial, dietary, domestic and biomedical products. Moreover, they are applied in wastewater treatment plants (WWTPs) as flocculants and coagulant agents. Hence, their presence in the aquatic environment as well as their uptake by aquatic organisms is probable, whereas no data are available regarding their potential adverse effects. Here we show in the freshwater key species D. magna exposed to five differentWSSPs life history changes along with an altered level of reactive oxygen species, although acute mortality was not observed. Since daphnids act as keystone species in lake ecosystems by controlling phytoplankton biomass, even sublethal effects such as WSSPs induced changes in life history may result in cascading effects, from lower to higher trophic levels, which in turn could affect the whole food web. Also see: https://micro2022.sciencesconf.org/425611/document
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Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna
AI summary Read the abstract
Researchers found that water-soluble synthetic polymers, an overlooked category of plastic pollution, caused sublethal adverse effects in Daphnia magna including reduced reproduction and feeding rates, highlighting a previously unrecognized environmental risk beyond conventional microplastics.
Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna - experimental Dataset
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This is a duplicate dataset entry for the study on water-soluble synthetic polymer effects on Daphnia magna. The data support findings that dissolved synthetic polymers can cause sublethal harm to freshwater invertebrates.
Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna - experimental Dataset
AI summary Read the abstract
This is a duplicate dataset entry for the study on water-soluble synthetic polymer effects on Daphnia magna. The data support findings that dissolved synthetic polymers can cause sublethal harm to freshwater invertebrates.
Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna - experimental Dataset
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This is a raw experimental dataset accompanying a study showing that water-soluble synthetic polymers cause harmful effects in the freshwater crustacean Daphnia magna. The data support research suggesting that dissolved plastic polymers — not just solid microplastic particles — can pose risks to aquatic organisms.
Unveiling the multilevel impact of four water-soluble polymers on Daphnia magna: From proteome to behaviour (a case study)
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This study investigated the effects of four common water-soluble polymers, including polyvinyl alcohol and polyethylene glycol, on the freshwater organism Daphnia magna. Researchers found that these widely used industrial chemicals can affect the organisms at multiple biological levels, from protein expression changes to altered swimming behavior, indicating that water-soluble polymers deserve more attention as aquatic pollutants.
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