Michael McDonald

M.S. Student

2022-2024

1. 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
2. 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. Reevaluating copper algaecide dosing to manage water quality: A multiple linear regression approach. Environmental Toxicology and Chemistry. - Link to Publication
3. Hennessey, A. V., M. B. McDonald, 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. 2025. Lowering pH enhances copper toxicity: A novel strategy for controlling harmful algal blooms and off-flavors. Ecotoxicology and Environmental Safety 302:118549. - Link to Publication
4. Hennessey, A. V., M. B. McDonald, 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. 2025. Evaluating the tolerance of harmful algal bloom communities to copper. Environmental Pollution 368:125691. - Link to Publication
5. Gladfelter, M. F., A. V. Hennessey, M. B. McDonald, S. S. Ganegoda, D. Wang, and A. E. Wilson. 2024. Are heavy metals a concern in catfish aquaculture? Alabama Fish Farming Center 1:10-12. - Dowload Publication (PDF)
6. Zinnert, H. M., M. F. Gladfelter, S. E. Tenison, H. P. Poe, K. L. Merrill, A. V. Hennessey, M. B. McDonald, D. Wang, H. A. Torbert, and A. E. Wilson. 2024. Impacts of flue gas desulfurization (FGD) gypsum on water quality and the algal community in catfish aquaculture ponds. Aquaculture 581:740406. - Link to Publication
7. Zinnert, H. M., M. F. Gladfelter, H. P. Poe, K. L. Merrill, A. V. Hennessey, M. B. McDonald, D. Wang, H. A. Torbert, and A. E. Wilson. 2023. Positive and negative impacts of flue gas desulfurization (FGD) gypsum on water quality. Journal of Environmental Management 348:119307. - Link to Publication

My interests focus on the impacts of water quality parameters as toxicity modifying factors of copper sulfate to phytoplankton. I am interested in the sustainable and effective use of chemical-based algaecides to aid producers and pond managers in controlling harmful algal blooms in their systems.