Search Results - "Courtenay, Simon C."

Comparing Physical Collection and Environmental DNA Methods for Determining Abundance Patterns of Gammarus Species along an Estuarine Gradient by Knysh, Kyle M., MacIntyre, Leah P., Cormier, Jerrica M., Grove, Carissa M., Courtenay, Simon C., van den Heuvel, Michael R.

“…Estuaries are productive systems with rapid changes in natural stressors, such as salinity, that make perturbation detection challenging. Amphipods are vital…”
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Revisiting Integrated Coastal and Marine Management in Canada: Opportunities in the Bay of Fundy by Eger, Sondra L., Stephenson, Robert L., Armitage, Derek, Flannery, Wesley, Courtenay, Simon C.

“…Limited progress has been made in implementing integrated coastal and marine management (ICM) policies globally. A renewed commitment to ICM in Canada offers…”
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Comparison of Acoustic to Optical Backscatter Continuous Measurements of Suspended Sediment Concentrations and Their Characterization in an Agriculturally Impacted River by Sirabahenda, Zacharie, St-Hilaire, André, Courtenay, Simon C., van den Heuvel, Michael R.

“…The increased soil loss in an agricultural watershed raises challengers for river water quality and a reliable automated monitoring for suspended sediment…”
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Influence of salinity and fish species on PAH uptake from dispersed crude oil by Ramachandran, Shahunthala D., Sweezey, Michael J., Hodson, Peter V., Boudreau, Monica, Courtenay, Simon C., Lee, Kenneth, King, Thomas, Dixon, Jennifer A.

“…The use of chemical oil dispersants to minimize spill impacts causes a transient increase in hydrocarbon concentrations in water, which increases the risk to…”
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Comparative analysis of different survey methods for monitoring fish assemblages in coastal habitats by Baker, Duncan G L, Eddy, Tyler D, McIver, Reba, Schmidt, Allison L, Thériault, Marie-Hélène, Boudreau, Monica, Courtenay, Simon C, Lotze, Heike K

“…Coastal ecosystems are among the most productive yet increasingly threatened marine ecosystems worldwide. Particularly vegetated habitats, such as eelgrass…”
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Experimental determination of the effects of light limitation from suspended bag oyster (Crassostrea virginica) aquaculture on the structure and photosynthesis of eelgrass (Zostera marina) by Skinner, Marc A., Courtenay, Simon C., McKindsey, Christopher W., Carver, Claire E., Mallet, André L.

“…Recent studies have hypothesized reduced eelgrass distribution in areas exposed to suspended bag oyster aquaculture of Crassostrea virginica in Eastern Canada…”
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Evaluating the Sampling Design of a Long-Term Community-Based Estuary Monitoring Program by Kidd, Jess A., Boudreau, Monica, Bailey, Robert C., van den Heuvel, Michael R., Servos, Mark R., Courtenay, Simon C.

“…Community-based monitoring programs (CBMPs) are a cost-effective option to collect the long-term data required to effectively monitor estuaries. Data quality…”
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Are floating algal mats a refuge from hypoxia for estuarine invertebrates? by Coffin, Michael R S, Knysh, Kyle M, Theriault, Emma F, Pater, Christina C, Courtenay, Simon C, van den Heuvel, Michael R

“…Eutrophic aquatic habitats are characterized by the proliferation of vegetation leading to a large standing biomass that upon decomposition may create hypoxic…”
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An empirical model using dissolved oxygen as an indicator for eutrophication at a regional scale by Coffin, Michael R.S., Courtenay, Simon C., Pater, Christina C., van den Heuvel, Michael R.

“…Simple empirical models can sometimes capture salient patterns without sacrificing predictive capacity when compared to more complex models. Herein we examine…”
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Chemical–environment interactions affecting the risk of impacts on aquatic organisms: A review with a Canadian perspective — interactions affecting vulnerability by Couillard, Catherine M, Courtenay, Simon C, Macdonald, Robie W

“…Environmental change can increase the vulnerability of aquatic species to toxic chemicals by challenging an organism's aptitude to respond to chemicals or to…”
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Comparison of freshwater monitoring approaches: strengths, opportunities, and recommendations by Ho, Elaine, Trant, Andrew J., Gray, Michelle A., Courtenay, Simon C.

“…This review identifies strengths and weaknesses of water monitoring programs selected by Canadian water managers. We used 22 criteria, guided by outcomes of an…”
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Impact of wastewater treatment upgrade and nitrogen removal on bacterial communities and their interactions in eutrophic prairie streams by Bergbusch, Nathanael T, Wong, Alicia R, Russell, Jennifer N, Swarbrick, Vanessa J, Freeman, Claire, Bergsveinson, Jordyn, Yost, Christopher K, Courtenay, Simon C, Leavitt, Peter R

“…Abstract Eutrophication can impact bacteria by altering fluxes and processing of nutrients and organic matter. However, relatively little is known of how…”
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Diploid and triploid African catfish (Clarias gariepinus) differ in biomarker responses to the pesticide chlorpyrifos by Karami, Ali, Goh, Yong-Meng, Jahromi, Mohammad Faseleh, Lazorchak, James M., Abdullah, Maha, Courtenay, Simon C.

“…The impacts of environmental stressors on polyploid organisms are largely unknown. This study investigated changes in morphometric, molecular, and biochemical…”
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Internal nutrients dominate load and drive hypoxia in a eutrophic estuary by Cormier, Jerrica M., Coffin, Michael R. S., Pater, Christina C., Knysh, Kyle M., Gilmour, Robert F., Guyondet, Thomas, Courtenay, Simon C., van den Heuvel, Michael R.

“…The hypothesis that local hypoxia and chlorophyll concentration are spatially tethered to local, sediment-driven nutrient release was examined in a small,…”
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Alterations in juvenile diploid and triploid African catfish skin gelatin yield and amino acid composition: Effects of chlorpyrifos and butachlor exposures by Karami, Ali, Karbalaei, Samaneh, Zad Bagher, Fariba, Ismail, Amin, Simpson, Stuart L., Courtenay, Simon C.

“…Skin is a major by-product of the fisheries and aquaculture industries and is a valuable source of gelatin. This study examined the effect of triploidization…”
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The Differential Effects of Salinity Level on Chlorpyrifos and Imidacloprid Toxicity to an Estuarine Amphipod by Knysh, Kyle M., Courtenay, Simon C., Grove, Carissa M., van den Heuvel, Michael R.

“…Agricultural activity within coastal watersheds results in estuaries becoming the receiving environment for pesticide inputs. In estuaries, salinity can alter…”
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Chemical–environment interactions affecting the risk of impacts on aquatic organisms: A review with a Canadian perspective — interactions affecting exposure by Couillard, Catherine M, Macdonald, Robie W, Courtenay, Simon C, Palace, Vince P

“…As a consequence of human activity, the variability and range of environmental conditions is increasing. We review how the interactions between toxic chemicals…”
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Hide and seek: habitat-mediated interactions between European green crabs and native mud crabs in Atlantic Canada by Gehrels, Hannah, Knysh, Kyle M., Boudreau, Monica, Thériault, Marie-Hélène, Courtenay, Simon C., Cox, Ruth, Quijón, Pedro A.

“…The non-indigenous European green crab ( Carcinus maenas ) has well-documented impacts on many native species. In the Atlantic Canada region, the green crab…”
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Monitoring stream sediment loads in response to agriculture in Prince Edward Island, Canada by Alberto, Ashley, St-Hilaire, Andre, Courtenay, Simon C., van den Heuvel, Michael R.

“…Increased agricultural land use leads to accelerated erosion and deposition of fine sediment in surface water. Monitoring of suspended sediment yields has…”
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Characterization of the aryl hydrocarbon receptor repressor and a comparison of its expression in Atlantic tomcod from resistant and sensitive populations by Roy, Nirmal K., Courtenay, Simon C., Chambers, R. Christopher, Wirgin, Isaac I.

“…Atlantic tomcod from the Hudson River, USA, are resistant to cytochrome P4501A1 (CYP1A1) mRNA induction and early life stage toxicities induced by coplanar…”
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