Toxicity of Zinc to Aquatic Life in Tropical Freshwaters of Low Hardness

Toxicity of Zinc to Aquatic Life in Tropical Freshwaters of Low Hardness

Zinc (Zn) is a metal of potential concern for a uranium mine whose receiving waters are in the World‐Heritage listed Kakadu National Park in northern Australia. The chronic toxicity of Zn was assessed using seven tropical species in extremely soft freshwater from a creek upstream of the mine. Sensit...

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Veröffentlicht in:Environmental toxicology and chemistry 2023-03, Vol.42 (3), p.679-683
Hauptverfasser: Trenfield, Melanie A., Walker, Samantha L., Tanneberger, Claudia, Harford, Andrew J.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Aquatic organisms
Aquatic plants
Bivalvia
Chlorella
Chronic toxicity
Duckweed
Floating plants
Fresh Water
Hardness
Metal toxicity
National parks
Receiving waters
Rehabilitation
Risk assessment
soft water
Toxicity
Toxicology
tropical ecotoxicology
tropics
Uranium
Water Pollutants, Chemical - toxicity
water quality guidelines
Zinc
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Zusammenfassung:Zinc (Zn) is a metal of potential concern for a uranium mine whose receiving waters are in the World‐Heritage listed Kakadu National Park in northern Australia. The chronic toxicity of Zn was assessed using seven tropical species in extremely soft freshwater from a creek upstream of the mine. Sensitivity to Zn was as follows (most sensitive to least sensitive based on 10% effect concentrations [EC10s]): mussel Velesunio angasi > gastropod Amerianna cumingi > fish Mogurnda mogurnda > cladoceran Moinodaphnia macleayi > green hydra Hydra viridissima > green alga Chlorella sp. > duckweed Lemna aequinoctialis, with EC10s (
ISSN:0730-7268
1552-8618
DOI:10.1002/etc.5556