Michael has just published his second chapter looking at the effects of repeated copper sulfate treatments on water quality. Low dose copper supports healthy zooplankton communities that can control phytoplankton!
McDonald, M. B., A. V. Hennessey, P. P. Johnson, M. F. Gladfelter, K. L. Merrill, S. E. Tenison, S. S. Ganegoda, T. C. Hoang, H. A. Torbert, B. H. Beck, and A. E. Wilson. In press. Repeated low-dose copper algaecide treatments promote beneficial phytoplankton and zooplankton communities. Journal of Environmental Management