Salt marshes, atrazine

Isensee, A.R. 1987. Persistence and movement of atrazine in a salt marsh sediment microecosystem. Bull. 

Plumley, EG. and D.E. Davis. 1980. The effect of a photosynthesis inhibitor atrazine, on salt marsh edaphic algae, in culture, microecosystems, and in the field. Estuaries 3 271-277. 

Plumley, EG., D.E. Davis, J.T. McEnerney, and J.W. Everest. 1980. Effects of a photosynthesis inhibitor, atrazine, on the salt-marsh fiddler crab, Uca pugnax (Smith). Estuaries 3 217-223. 

II. 0 xg/L for salt marsh algae, based on the least effect level of 110.0 Jig/L, and an uncertainty factor of 10. Atrazine concentrations >11.0 xg/L sometimes occur during periods of runoff and non-flushing, but rarely persist at levels necessary to markedly inhibit photosynthesis in aquatic plants, i.e., 60.0-70.0 xg/L. At 80.0 xg/L, rainbow trout show kidney necrosis of endothelial cells after exposure for 28 days, and this suggests that atrazine criteria that protect sensitive plants will also protect aquatic vertebrates. 

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