Contact Marley J. Waiser:

Phone & Address


Adjunct Professor, Department of Food and Bioproduct Sciences, University of Saskatchewan, Saskatoon, SK.


Ph.D. Aquatic biogeochemistry and microbial ecology, Napier University, Scotland, 2001

M.Sc. Aquatic Ecology, University of Saskatchewan, 1995

H.B.Sc. Biology, Trent University, 1975


Marley J. Waiser

Research Scientist - Study leader, Effects of Human and Veterinary Pharmaceuticals and Herbicides on Indices of Aquatic Ecosystem Health

CURRENT S&T / RESEARCH - Contributing to Environment Canada's mandate to protect aquatic ecosystems from toxic chemicals and to conserve aquatic ecosystems

  • Effects of pharmaceuticals originating from sewage treatment plants on aquatic microbial communities
  • Dissipation, fate and effects of agricultural herbicides on aquatic microbial communities (Prairie wetlands)
  • Effects of veterinary antibiotics on wetland microbial communities.
  • Nutrient limitation in Northern Lakes (Mackenzie River Basin)
  • Role of dissolved organic carbon in aquatic ecosystems.


Research grant (NSERC, CFI, NSF) and journal paper reviews; Associate Editor, Journal of Great Lakes Research

Member of the NSERC Strategic Network and Grant Selection committee "Healthy Environments and Ecosystems"

Supervisor of 1 Ph.D. and 1 M.Sc. student; committee member for 2 Ph.D. students and 1 M.Sc. student via Departments of Food and Bioproduct Sciences and Soil Science, University of Saskatchewan, Saskatoon, SK. External examiner for one M.Sc. student, Department of Biology, University of Saskatchewan, Saskatoon, SK


Cessna, A.J., D.B. Donald, J. Bailey, M. Waiser and J.V. Headley. 2006. Persistence of the sulfonylurea herbicides thifensulfuron-methyl, ethametsulfuron-methyl and metsulfuron-methyl in farm dugouts (ponds). The Journal of Environmental Quality. 35:2395-2401

Waiser, M.J. and R.D. Robarts. 2000. Changes in composition and reactivity of allochthonous dissolved organic matter in a prairie saline lake. Limnol. Oceanogr. 45:763-774.

Marley J. Waiser. 2006. Relationship between hydrological characteristics and dissolved organic carbon concentration and mass in northern prairie wetlands using a conservative tracer approach. J. Geophys. Res. 111:1-15.

Arts, M.T., R.D. Robarts, F. Kasai, M.J. Waiser, V.P. Tumber, A.J. Plante, H. Rai and H.J. de Lange. 2000. The attenuation of ultraviolet radiation in wetlands and lakes of the Northern Great Plains. Limnol. Oceanogr. 45:292-299

Expertise Categories associated with this S&T Expert:

     Aquatic Ecosystems
Pollution & Waste
          Pharmaceuticals and personal care products
Date modified: