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Metazachlor is a frequently used herbicide with concentrations in surface waters up to 100μgL −1 . A long-term mesocosm study was performed in order to investigate effects on stream and pond communities also regarding recovery. Single metazachlor doses of 5, 20, 80, 200, and 500μgL −1 were given and the aquatic communities monitored for 140 days. In this paper, special attention is...
The chloroacetamide metazachlor is a commonly used pre-emergent herbicide to inhibit growth of plants especially in rape culture. It occurs in surface and ground water due to spray-drift or run-off in concentrations up to 100μgL −1 . Direct and indirect effects of metazachlor on aquatic macrophytes were investigated at oligo- to mesotrophic nutrient levels employing eight stream and eight...
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