Education

• Ph.D., Ecology — Colorado State University, 2017
• M.S., Fish, Wildlife & Conservation Biology — Colorado State University, 2011
• B.S. in Natural Resource Management, B.S. in Biology, and B.S. in Public Administration and Policy Analysis — University of Wisconsin-Stevens Point, 2001
• Secondary (6th-12th) Teaching License — Colorado State University, 2005
• NR-EMT

Current or Recent Positions

• Aquatic Toxicology Research Scientist — Colorado Parks and Wildlife, 2014-Present
• Aquatic Ecotoxicology Research Associate & Course Instructor — Colorado State University, 2007-2013
• Benthic Macroinvertebrate and Stream Ecology Researcher — Colorado Parks and Wildlife, 2011-2012
• Stream Restoration Ecology and Toxicology Researcher — Colorado Parks and Wildlife, 2010-2011
• Benthic Ecology Consultant — US Fish Wildlife Service, 2010
• Radio Chemist — Paragon Analytics, Fort Collins, CO, 2001-2003

Selected Publications

Cadmus, P., R. J. Friebertshauser, N. Rhein, S. F. Brinkman, W. H. Clements. 2023. Subcellular Accumulation and Depuration of Zinc in Periphytic Algae during Episodic and Continuous Exposures. Archives of Environmental Contamination and Toxicology. 84:188–198.

Kotalik, C.J., J. S. Meyer, P. Cadmus, J. F. Ranville, and W. H. Cements. 2023. Integrated assessment of chemical and biological recovery after diversion and treatment of acid mine drainage in a Rocky Mountain stream. Environmental Toxicology and Chemistry. 42: 512-524.

Riepe, T. B., Z. E. Hooley-Underwood, R. E. McDevitt, A. Sralik, and P. Cadmus. 2023. Increased density of Bluehead Sucker larvae decreases critical thermal maximum. North American Journal of Fisheries Management. 

Kingcade, A., N. Ahuja, A. Jefferson, P. A. Schaffer, H. Ryschon, P. Cadmus, D. Garrity, H. Ramsdell. 2021. Morbidity and mortality in Danio rerio and Pimephales promelas exposed to antilipidemic drug mixtures (fibrates and statins) during embryogenesis: Comprehensive assessment via ante and post mortem endpoints. Chemosphere. 263(127911). 

Kotalik, C. J., P. Cadmus, W. H. Clements. 2021. Before-After Control-Impact field surveys and novel experimental approaches provide valuable insights for characterizing stream recovery from acid mine drainage. Science of the Total Environment. 771(145419). doi.org/10.1016/j.scitotenv.2021.145419

Cadmus, P., C. J. Kotalik, A. L. Jefferson, S. H. Wheeler, A. E. McMahon, and W. H. Clements. 2020. Size-dependent sensitivity of aquatic insects to metals. Environmental Science & Technology. 54:955-964. 

Clements, W. H., P. Cadmus, C. J. Kotalik, B. A. Wolff. 2019. Context‐Dependent Responses of Aquatic Insects to Metals and Metal Mixtures: A quantitative analysis summarizing 24 yr of stream mesocosm experiments. Environmental Toxicology and Chemistry. 38:2486-2496.

Fetherman, E. R., P. Cadmus, A. L. Jefferson, and M. K. Hura. 2019. Increasing copper concentrations do not affect Myxobolus cerebralis triactinomyxon viability. Journal of Fish Diseases 42:1327-1331. 

Kotalik, C. J., P. Cadmus, W. H. Clements. 2019. Indirect Effects of Iron Oxide on Stream Benthic Communities: Capturing Ecological Complexity with Controlled Mesocosm Experiments. Environmental Science & Technology. 53:11532-11540. 

Cadmus, P., S. F. Brinkman and M. K. May. 2018. Chronic toxicity of ferric iron for North American aquatic organisms: derivation of a chronic water quality criterion using single species and mesocosm data. Archives of Environmental Contamination and Toxicology 74: 605-615. 

Cadmus, P., H. Guasch, A. T. Herdrich, B. Bonet, G. Urrea and W. H. Clements. 2018. Structural and functional responses of periphyton and macroinvertebrate communities to ferric Fe, Cu, and Zn in stream mesocosms. Environmental Toxicology and Chemistry 37: 1320-1329. 

Kotalik, C. J., W. H. Clements, and P. Cadmus. 2017. Effects of magnesium chloride road deicer on montane stream benthic communities. Hydrobiologia. 799:193-202.

Cadmus P., W. H. Clements, J. L. Williamson, J. F. Ranville, J. S. Meyer, and M. J. Gutierrez Gines. 2016. The Use of Field and Mesocosm Experiments to Quantify Effects of Physical and Chemical Stressors in Mining-Contaminated Streams. Environmental Science and Technology. 50:7825-7833.

Cadmus, P., J. P. F. Pomeranz, and J. M. Kraus. 2016. Low-cost floating emergence net and bottle trap: comparison of two designs. Journal of Freshwater Ecology. 31:653-658.

Iwasaki Y, P. Cadmus, and W. H. Clements. 2013. Comparison of different predictors of exposure for modeling impacts of metal mixtures on macroinvertebrates in stream microcosms. Aquatic Toxicology. 132: 151-156.

Clements W. H., P. Cadmus P, and S. F. Brinkman. 2013. Responses of aquatic insects to Cu and Zn in stream microcosms: Understanding differences between single species tests and field responses. Environmental Science & Technology 47:7506-7513.​