1982 …2017
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Personal profile

Professional Information

Current research includes studies on the effects of chemicals and other stressors on the early developmental stages of fish and amphibians, endocrine disruption, and recently, sustainable development. Dr. Schoff teaches in the Biology Department and Integrated Biosciences graduate program at UMD. Courses include Ecotoxicology, Developmental Biology, and Integrated Biological Systems.

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Research Output 1982 2017

1 Citation (Scopus)

Testicular oocytes in smallmouth bass in northeastern Minnesota in relation to varying levels of human activity

Kadlec, S. M., Johnson, R. D., Mount, D. R., Olker, J. H., Borkholder, B. D. & Schoff, P. K., Dec 2017, In : Environmental Toxicology and Chemistry. 36, 12, p. 3424-3435 12 p.

Research output: Contribution to journalArticle

Bass
Watersheds
Human Activities
Oocytes
human activity
281 Citations (Scopus)

Agrochemicals increase trematode infections in a declining amphibian species

Rohr, J. R., Schotthoefer, A. M., Raffel, T. R., Carrick, H. J., Halstead, N., Hoverman, J. T., Johnson, C. M., Johnson, L. B., Lieske, C., Piwoni, M. D., Schoff, P. K. & Beasley, V. R., Oct 30 2008, In : Nature. 455, 7217, p. 1235-1239 5 p.

Research output: Contribution to journalArticle

Trematode Infections
Agrochemicals
Atrazine
Amphibians
Rana pipiens
12 Citations (Scopus)
Methoprene
Retinoids
Metabolites
metabolite
Retinoid X Receptors
29 Citations (Scopus)

Prevalence of skeletal and eye malformations in frogs from North-Central United States: Estimations based on collections from randomly selected sites

Schoff, P. K., Johnson, C. M., Schotthoefer, A. M., Murphy, J. E., Lieske, C., Cole, R. A., Johnson, L. B. & Beasley, V. R., Jul 2003, In : Journal of wildlife diseases. 39, 3, p. 510-521 12 p.

Research output: Contribution to journalArticle

Midwestern United States
frog
frogs
eyes
Rana pipiens
9 Citations (Scopus)

Inhibition of retinoid activity by components of a paper mill effluent

Schoff, P. K. & Ankley, G. T., Mar 20 2002, In : Environmental Pollution. 119, 1, p. 1-4 4 p.

Research output: Contribution to journalArticle

Retinoids
Tretinoin
Effluents
mill
effluent