Acute toxicity of a glyphosate herbicide, Roundup®, to two freshwater crustaceans

  title={Acute toxicity of a glyphosate herbicide, Roundup{\textregistered}, to two freshwater crustaceans},
  author={Khm Ashoka Deepananda and Dinesh Gajamange and W.A.J.P. De Silva and Hemantha Wegiriya},
  journal={Journal of The National Science Foundation of Sri Lanka},
Abstract: The acute toxicity of a glyphosate herbicide Roundup®, contaminating freshwater ecosystems in Sri Lanka was investigated with two species of the most common freshwater crustaceans: calanoid copepod ( Phyllodiaptomus annae Apstein) and decapod shrimp ( Caridina nilotica P. Roux). LC50 values in adult males were determined using standard toxicity assays under static conditions. The 48h LC50 value for P. annae was estimated as 1.06 mg/L and the values of 72 h and 96 h LC50 for C… 

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