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Human exposure to anthropogenic contaminants is now a well-known phenomenon in the Canadian Arctic. Early work conducted on Baffin Island and in Nunavik has demonstrated that because of their traditio...
3D geospatial modelling and visualization for marine environment: Study of the marine pelagic ecosystem of the south-eastern Beaufort Sea, Canadian Arctic
GIS Oceanography Visualization Spatial, Modelling Three-dimensional, Interpretation
2014/4/25
Geospatial modelling of the marine pelagic ecosystem is challenging due to its dynamic and volumetric nature. Consequently, conventional oceanographic spatial analysis of this environment is in a 2D e...
Archaea in particle-rich waters of the Beaufort Shelf and Franklin Bay, Canadian Arctic: Clues to an allochthonous origin?
particle-rich waters Beaufort Shelf Franklin Bay
2014/4/23
We used 49,6-diamidino-2-phenylindole (DAPI) staining and fluorescent in situ hybridization to examine total bacterioplankton and archaeal distributions in surface waters and in deeper nepheloid...
Effect of ultraviolet radiation on alkaline phosphatase activity and planktonic phosphorus acquisition in Canadian boreal shield lakes
Effect of ultraviolet radiation alkaline phosphatase activity planktonic phosphorus acquisition Canadian boreal shield lakes
2014/5/13
We examined how ultraviolet radiation (UVR) affects the activity of alkaline phosphatase (APase), a common extracellular enzyme. APase activity declined up to 57% under UVR exposure and decreased more...
Landscape effects of climate, agriculture, and urbanization on benthic invertebrate communities of Canadian prairie lakes
Landscape effects of climate, agriculture, and urbanization benthic invertebrate communities Canadian prairie lakes
2014/5/26
Paleoecological analyses of fossil chironomid assemblages from eight lakes of the Qu’Appelle Valley, Saskatchewan, Canada, were used to quantify the relative influence of climate, resource use, a...
Fluxes of semivolatile organochlorine compounds in Bow Lake, a high-altitude, glacier-fed, subalpine lake in the Canadian Rocky Mountains
semivolatile organochlorine compounds Bow Lake
2014/5/30
The fluxes of several organochlorine compounds (OCs) to and from a high-altitude lake were calculated to
determine the relative contributions of rainfall, snowfall, runoff, gas absorption and v...