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À la chasse aux métaux traces dans un Nord canadien en évolution rapide : approches limnologiques, écologiques et collaborative = Hunting for trace metals in a rapidly changing North : limnological, ecological, and collaborative approaches
(2019-03-13)
Actuellement, l’Arctique canadien subit de grands changements, tant climatiques que socio- environnementaux, auxquels s’ajoute une pression croissante d’y exploiter les ressources naturelles. Les écosystèmes arctiques ...
Fate and trophic transfer of rare earth elements in temperate lake food webs
(2017-05-05)
Many mining projects targeting rare earth elements (REE) are in development in North America, but the background concentrations and trophic transfer of these elements in natural environments have not been well characterized. ...
Environmental drivers of rare earth element bioaccumulation in freshwater zooplankton
(American Chemical Society, 2018-12-26)
Human activities have resulted in significant
release of rare earth elements (REEs) into the environment.
However, the pathways of REEs from waters and soils into
freshwater food webs remain poorly understood. Recent
studies ...
High methylmercury in Arctic and subarctic ponds is related to nutrient levels in the warming eastern Canadian Arctic
(2015-06)
Permafrost thaw ponds are ubiquitous in the eastern
Canadian Arctic, yet little information exists on their potential as
sources of methylmercury (MeHg) to freshwaters. They are
microbially active and conducive to ...