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Actue Toxic Effects of Round-Up Herbicide on Wood Frog Tadpoles (Rana sylvatica)

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Pages 705-708 | Received 22 Mar 2007, Accepted 27 Jun 2007, Published online: 07 Jan 2011
 

ABSTRACT

We examine the toxicity of a commercial formulation of Round-Up to wood frog (Rana sylvatica) tadpoles. All tadpoles exposed to nominal concentrations ≥ 0.00098% glyphosate died within 24 h. However, tadpoles exposed to concentrations ≤ 0.00049% showed high survivorship. Our results suggest that any direct application of this formulation of Round-Up to aquatic ecosystems could have an impact on amphibian larvae, especially in shallow water

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