John Wiley & Sons, Ltd.

The effect of sulphate on selenate bioaccumulation in two freshwater primary producers: A duckweed, Lemna minor, and a green alga, Pseudokirchneriella subcapitata

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Predicting selenium bioaccumulation is complicated because site‐specific conditions, including the ionic composition of water, affect the bioconcentration of inorganic selenium into the food web. Selenium tissue concentrations were measured in Lemna minor and Pseudokirchneriella subcapitata following exposure to selenate and sulphate. Selenium accumulation differed between species, and sulphate reduced selenium uptake in both species indicating that ionic constituents, in particular sulphate, are important in modifying selenium uptake by primary producers. This article is protected by copyright. All rights reserved

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