UV radiation reduces both organic nutrient (long-chain polyunsaturated fatty acids) and inorganic nutrient (phosphorus) of basal resources in stream food webs.

Ultraviolet radiation (UVR) exposure increased in the past due to stratospheric ozone depletion, raising concerns about its long-lasting effects on freshwater ecosystems. While the ozone layer is gradually recovering, the effects of UVR on nutritiona…

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