Pulse Effects of Herbicides on Periphyton in Streams and Recovery

Figure 1. Effect on the photosynthetic activity of epiphytic algae when exposed to 4 different herbicides at different concentrations for 1 and 24 hours.

Figure 1. Effect on the photosynthetic activity of epiphytic algae when exposed to 4 different herbicides at different concentrations for 1 and 24 hours.

 



Version 1.0 October 2005, © Danish Environmental Protection Agency