Search Results - "Tétreault, Gerald"

Substituted diphenylamine antioxidants and benzotriazole UV stabilizers in blood plasma of fish, turtles, birds and dolphins from North America by Lu, Zhe, De Silva, Amila O., Zhou, Wenjia, Tetreault, Gerald R., de Solla, Shane R., Fair, Patricia A., Houde, Magali, Bossart, Greg, Muir, Derek C.G.

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs) are additives used in industrial and commercial applications to…”
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An Assessment of the Spatial and Temporal Variability of Biological Responses to Municipal Wastewater Effluent in Rainbow Darter (Etheostoma caeruleum) Collected along an Urban Gradient by Fuzzen, Meghan L M, Bragg, Leslie M, Tetreault, Gerald R, Bahamonde, Paulina A, Tanna, Rajiv N, Bennett, Charles J, McMaster, Mark E, Servos, Mark R

“…Municipal wastewater effluent (MWWE) and its constituents, such as chemicals of emerging concern, pose a potential threat to the sustainability of fish…”
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Substituted Diphenylamine Antioxidants and Benzotriazole UV Stabilizers in Aquatic Organisms in the Great Lakes of North America: Terrestrial Exposure and Biodilution by Lu, Zhe, De Silva, Amila O, McGoldrick, Daryl J, Zhou, Wenjia, Peart, Thomas E, Cook, Cyril, Tetreault, Gerald R, Martin, Pamela A, de Solla, Shane R

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs) are industrial additives of emerging environmental concern. However,…”
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Distribution, Partitioning and Bioaccumulation of Substituted Diphenylamine Antioxidants and Benzotriazole UV Stabilizers in an Urban Creek in Canada by Lu, Zhe, De Silva, Amila O, Peart, Thomas E, Cook, Cyril J, Tetreault, Gerald R, Servos, Mark R, Muir, Derek C.G

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs), previously under reported classes of organic contaminants, were…”
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Spatial trends in a biomagnifying contaminant: Application of amino acid compound–specific stable nitrogen isotope analysis to the interpretation of bird mercury levels by Dolgova, Svetlana, Popp, Brian N., Courtoreille, Kevin, Espie, Richard H.M., Maclean, Bruce, McMaster, Mark, Straka, Jason R., Tetreault, Gerald R., Wilkie, Steve, Hebert, Craig E.

“…Levels of biomagnifying contaminants are greatest in high–trophic level biota (e.g., predatory birds such as gulls). Gull eggs have been used to assess…”
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Time-dependent biological responses of juvenile yellow perch (Perca flavescens) exposed in situ to a major urban effluent by Defo, Michel A., Mercier, Laurie, Beauvais, Conrad, Brua, Robert B., Tétreault, Gerald, Fontaine, Anthony, Couture, Patrice, Verreault, Jonathan, Houde, Magali

“…Municipal wastewater treatment plant (WWTP) effluents are significant sources of organic and inorganic pollutants to aquatic ecosystems. Several studies have…”
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Intersex and reproductive impairment of wild fish exposed to multiple municipal wastewater discharges by Tetreault, Gerald R., Bennett, Charles J., Shires, K., Knight, B., Servos, Mark R., McMaster, Mark E.

“…The Grand River watershed in Ontario, Canada, receives and assimilates the outflow of 29 Municipal Wastewater Effluent (MWWE) discharges which is a mixture of…”
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Distribution and trophodynamics of substituted diphenylamine antioxidants and benzotriazole UV stabilizers in a freshwater ecosystem and the adjacent riparian environment by Lu, Zhe, De Silva, Amila O, Spencer, Christine, Tetreault, Gerald R, de Solla, Shane R, Muir, Derek C G

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs) are industrial additives of emerging environmental concern. However,…”
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Microparticles in Wild and Caged Biota, Sediments, and Water Relative to Large Municipal Wastewater Treatment Plant Discharges by Weir, Ellie M., Kidd, Karen A., Hamilton, Bonnie M., Wu, Jiabao, Servos, Mark R., Bartlett, Adrienne J., Tetreault, Gerald R., Gillis, Patricia L.

“…Anthropogenically modified microparticles including microplastics are present in municipal wastewater treatment plant (WWTP) effluents; however, it is unclear…”
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Reduction of Intersex in a Wild Fish Population in Response to Major Municipal Wastewater Treatment Plant Upgrades by Hicks, Keegan A, Fuzzen, Meghan L. M, McCann, Emily K, Arlos, Maricor J, Bragg, Leslie M, Kleywegt, Sonya, Tetreault, Gerald R, McMaster, Mark E, Servos, Mark R

“…Intersex in fish downstream of municipal wastewater treatment plants (MWWTPs) is a global concern. Consistent high rates of intersex in male rainbow darter…”
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Severe intersex is predictive of poor fertilization success in populations of rainbow darter (Etheostoma caeruleum) by Fuzzen, Meghan L.M., Bennett, Charles J., Tetreault, Gerald R., McMaster, Mark E., Servos, Mark R.

“…•Municipal wastewater disrupted male rainbow darter reproductive function.•Wastewater exposed rainbow darter had low fertilization success.•Survival of embryos…”
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Fish Performance Indicators Adjacent to Oil Sands Activity: Response in Performance Indicators of Slimy Sculpin in the Steepbank River, Alberta, Adjacent to Oil Sands Mining Activity by Tetreault, Gerald R., Bennett, Charles J., Clark, Thomas W., Keith, Heather, Parrott, Joanne L., McMaster, Mark E.

“…Since 2009, the Canadian and Alberta governments have been developing monitoring plans for surface water quality and quantity of the lower Athabasca River and…”
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Wild fish responses to wastewater treatment plant upgrades in the Grand River, Ontario by Nikel, Kirsten E., Tetreault, Gerald R., Marjan, Patricija, Hicks, Keegan A., Fuzzen, Meghan L.M., Srikanthan, Nivetha, McCann, Emily K., Dhiyebi, Hadi, Bragg, Leslie M., Law, Pam, Celmer-Repin, Dominika, Kleywegt, Sonya, Cunningham, Jessie, Clark, Thomas, McMaster, Mark E., Servos, Mark R.

“…·Wastewater treatment plant upgrades resulted in improvements in fish health.·Stable isotope signatures now match reference site levels.·Sex steroid production…”
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Environmental DNA Metabarcoding Detects Predators at Higher Rates Than Electrofishing by Bonk, Eric A., Hanner, Robert H., Bartlett, Adrienne J., Tetreault, Gerald R.

“…ABSTRACT There are numerous downsides and risks associated with electrofishing; hence, environmental DNA (eDNA) metabarcoding is becoming increasingly common…”
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Reproductive and histopathological effects in wild fish inhabiting an effluent-dominated stream, Wascana Creek, SK, Canada by Tetreault, Gerald R., Bennett, C. James, Cheng, Carl, Servos, Mark R., McMaster, Mark E.

“…► Wild fish collected downstream of sewage effluent discharge in Wascana Creek, SK, demonstrated reproductive impairment. ► Exposed fish demonstrated altered…”
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Tissue Distribution of Substituted Diphenylamine Antioxidants and Benzotriazole Ultraviolet Stabilizers in White Sucker (Catostomus commersonii) from an Urban Creek in Canada by Lu, Zhe, De Silva, Amila O, Peart, Thomas E, Cook, Cyril J, Tetreault, Gerald R

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole ultraviolet stabilizers (BZT-UVs) have been detected in aquatic organisms, but little is known…”
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Occurrence and degree of intersex (testis-ova) in darters (Etheostoma SPP.) across an urban gradient in the Grand River, Ontario, Canada by Tanna, Rajiv N., Tetreault, Gerald R., Bennett, Charles J., Smith, Brendan M., Bragg, Leslie M., Oakes, Ken D., McMaster, Mark E., Servos, Mark R.

“…The variability and extent of the intersex condition (oocytes in testes, or testis–ova) was documented in fish along an urban gradient in the Grand River,…”
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Impacts of a tertiary treated municipal wastewater effluent on the carbon and nitrogen stable isotope signatures of two darter species (Etheostoma blennioides and E. caeruleum) in a small receiving environment by Robinson, Chris S., Tetreault, Gerald R., McMaster, Mark E., Servos, Mark R.

“…This study contrasted the influence of tertiary treated municipal wastewater effluent (MWWE) exposure on the abundance, food selection (stomach contents), and…”
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Optimization of effects-assessment of greenside darter (Etheostoma blennioides) exposed to tertiary treated municipal wastewater based on seasonal changes of reproductive endpoints by Tetreault, Gerald R., Bennett, Charles J., Servos, Mark Roy, McMaster, Mark E.

“…The present study describes the seasonal changes in reproductive endpoints of the greenside darter (Etheostoma blennioides) and its implications for…”
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Baseline white sucker health and reproductive endpoints for use in assessment of further development in the alberta oil sands by Mcmaster, Mark E., Tetreault, Gerald R., Clark, Thomas, Bennett, Jim, Cunningham, Jessie, Ussery, Erin J., Evans, Marlene

“…Adult fish health surveys are part of Canada’s Environmental Effects Monitoring (EEM) programs for both metal mining and pulp and paper sectors under Canada’s…”
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