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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 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.
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 different WSSPs 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.
More Papers Like This
Beyond microplastics: Water soluble synthetic polymers exert sublethal adverse effects in the freshwater cladoceran Daphnia magna
AI summary Read the abstract
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.
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.
Effects of Microplastics on Reproduction and Growth of Freshwater Live Feeds Daphnia magna
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Researchers found that microplastic exposure negatively affected reproduction and juvenile growth in Daphnia magna, a key freshwater zooplankton species, with effects worsening at higher concentrations and posing risks for aquatic food chains.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.