New model examines the effects of toxicants on organism populations in polluted rivers

When designing environmental policies to limit the damage of river pollution, it is paramount to assess the specific risks that particular pollutants pose to different species. However, rigorously testing the effects of toxicants—like insecticides, plastic debris, pathogens, and chemicals—on entire groups of organisms without severely damaging their whole ecosystems is simply not feasible. Mathematical modeling can provide a flexible way to assess toxicants' impact on river populations without endangering the environment.

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