Search Results - "Munkittrick, K R"

Molecular signatures in rainbow darter (Etheostoma caeruleum) inhabiting an urbanized river reach receiving wastewater effluents by Bahamonde, P.A., Tetreault, G.R., McMaster, M.E., Servos, M.R., Martyniuk, C.J., Munkittrick, K.R.

“…•Rainbow darter is a wild model species abundant in North America.•Raibow darter are used to monitor waste water effluent effects in the Grand River Ontario,…”
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STABLE ISOTOPE ANALYSIS REVEALS ANTHROPOGENIC EFFECTS ON FISH ASSEMBLAGES IN A TEMPERATE RESERVOIR by Freedman, J. A., Curry, R. A., Munkittrick, K. R.

“…ABSTRACT Effluent from anthropogenic inputs can affect fish assemblages in aquatic ecosystems by altering species richness, diversity and trophic structure. To…”
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Responses of white sucker ( Catostomus commersoni) to 20 years of process and waste treatment changes at a bleached kraft pulp mill, and to mill shutdown by Bowron, L.K., Munkittrick, K.R., McMaster, M.E., Tetreault, G., Hewitt, L.M.

“…The impacts of pulp mill effluents on white sucker ( Catostomus commersoni) have been studied at Jackfish Bay, ON, Canada since the late 1980s. The site…”
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Using stable isotope analysis with telemetry or mark-recapture data to identify fish movement and foraging by Cunjak, R.A, Roussel, J.M, Gray, M.A, Dietrich, J.P, Cartwright, D.F, Munkittrick, K.R, Jardine, T.D

“…Information about animal movements has often been inferred from stable isotope analysis (SIA), but is dependent on animals assimilating site-specific isotopic…”
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Influence of seasonal changes in relative liver size, condition, relative gonad size and variability in ovarian development in multiple spawning fish species used in environmental monitoring programmes by Galloway, B. J., Munkittrick, K. R.

“…Basic biological information was collected to assist in understanding the biology of selected small‐bodied fishes for use in environmental monitoring…”
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Comparing responses in the performance of sentinel populations of stoneflies (Plecoptera) and slimy sculpin ( Cottus cognatus) exposed to enriching effluents by Arciszewski, T.J., Kidd, K.A., Munkittrick, K.R.

“…Programs in Canada that assess the effects of wastewater discharges on organisms, such as Environmental Effects Monitoring (EEM), primarily focus on fish…”
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Presence of organochlorine pollutants in fat and scats of pinnipeds from the Antarctic Peninsula and South Shetland Islands, and their relationship to trophic position by Vergara, E.G., Hernández, V., Munkittrick, K.R., Barra, R., Galban-Malagon, C., Chiang, G.

“…Antarctica is still considered one of the few pristine areas in the globe. Despite this, several studies have shown phased out organic pollutants are present…”
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Aquatic Environmental Effects Monitoring Guidance for Environmental Assessment Practitioners by Kilgour, B. W, Dubé, M. G, Hedley, K, Portt, C. B, Munkittrick, K. R

“…The Canadian Environmental Assessment Act (CEAA) defines the federal environmental assessment (EA) process for evaluating the likelihood that development…”
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Long‐Term Studies of Fish Health before and after the Closure of a Bleached Kraft Pulp Mill in Northern Ontario, Canada by Arciszewski, T.J., McMaster, M.E., Munkittrick, K.R.

“…Changes in ecosystems after the removal of stress provide a rich source of information for conservation science. We used a long‐term regional data set on the…”
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Whole organism responses and intersex severity in rainbow darter (Etheostoma caeruleum) following exposures to municipal wastewater in the Grand River basin, ON, Canada. Part A by Bahamonde, P.A., Fuzzen, M.L., Bennett, C.J., Tetreault, G.R., McMaster, M.E., Servos, M.R., Martyniuk, C.J., Munkittrick, K.R.

“…•High incidence and severity of intersex in rainbow darter in the Grand River.•Intersex fish were larger and heavier than the male fish collected at the same…”
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Assessment of the potential of the rock gunnel (Pholis gunnellus) along the Atlantic coast of Canada as a species for monitoring the reproductive impacts of contaminant exposures by VALLIS, L, MACLATCHY, D. L, MUNKITTRICK, K. R

“…Evaluating the impacts of point source discharges on fish species in estuarine environments can be challenging because of a paucity of resident species. We…”
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Molecular pathways associated with the intersex condition in rainbow darter (Etheostoma caeruleum) following exposures to municipal wastewater in the Grand River basin, ON, Canada. Part B by Bahamonde, P.A., McMaster, M.E., Servos, M.R., Martyniuk, C.J., Munkittrick, K.R.

“…•An oligonucleotide microarray was developed to measure molecular signatures in intersex, female and male fish exposed to MWWEs.•Genes associated with…”
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Challenges and Benefits of Approaches Used to Integrate Regional Monitoring Programs by Arciszewski, T. J., Roberts, D. R., Munkittrick, K. R., Scrimgeour, G. J.

“…Although challenging to develop and operate, some degree of integrated monitoring is often necessary, especially at regional scales, to address the complex…”
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Spatial variability of ocean fertilizing nutrients in the dust‐emitting ephemeral river catchments of Namibia by Dansie, A.P., Thomas, D.S.G., Wiggs, G.F.S., Munkittrick, K.R.

“…Research into global hot spots of dust emission has focused on exposed fine‐grained sediments in palaeo‐ or ephemeral dryland lake basins including Etosha…”
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Bioindicators Versus Biomarkers in Ecological Risk Assessment by McCarty, L. S., Power, M., Munkittrick, K. R.

“…The biomarker approach, adopted from medical toxicology, is subject to several theoretical and practical difficulties when used to address environmental…”
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The effects of 17-α-ethinylestradiol (EE2) on molecular signaling cascades in mummichog (Fundulus heteroclitus) by Doyle, M.A., Bosker, T., Martyniuk, C.J., MacLatchy, D.L., Munkittrick, K.R.

“…•Mummichog (Fundulus heteroclitus) were exposed to 17-α-ethinylestradiol (EE2).•Ovarian stage and plasma estrogen were not affected by EE2 but T was…”
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Exposure to bleached kraft pulp mill effluent disrupts the pituitary-gonadal axis of white sucker at multiple sites by Van der Kraak, G J, Munkittrick, K R, McMaster, M E, Portt, C B, Chang, J P

“…Our recent studies have demonstrated reproductive problems in white sucker (Catostomus commersoni) exposed to bleached kraft pulp mill effluent (BKME) at…”
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Use of the Atlantic nut clam (Nucula proxima) and catworm (Nephtys incisa) in a sentinel species approach for monitoring the health of Bay of Fundy estuaries by Pippy, B.A., Kidd, K.A., Munkittrick, K.R., Mercer, A., Hunt, H.

“…Designing an effective environmental monitoring system for population responses requires knowledge of the biology of appropriate sentinel species and baseline…”
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Transcriptomics profiling and steroid production in mummichog ( Fundulus heteroclitus ) testes after treatment with 5α-dihydrotestosterone by Feswick, A, Ings, J.S, Doyle, M.A, Bosker, T, Munkittrick, K.R, Martyniuk, C.J

“…Highlights • DHT is a potent androgen; but its actions are not well studied in fish. • DHT decreased ex vivo 11-ketotestosterone production, but not…”
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Elevated Ovarian Follicular Apoptosis and Heat Shock Protein-70 Expression in White Sucker Exposed to Bleached Kraft Pulp Mill Effluent by Janz, David M., McMaster, Mark E., Munkittrick, Kelly R., Van Der Kraak, Glen

“…Exposure of feral fish populations to bleached kraft pulp mill effluent (BKME) results in a variety of negative impacts on reproductive fitness including…”
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