River influence on mercury bioaccumulation in the coastal food web of Eeyou Istchee, James Bay, Canada

Autor: John Chételat, Joel P. Heath, Lucassie Arragutainaq, John Lameboy, Christine McClelland, Raymond Mickpegak

Publikováno v: FACETS, Vol 9, Iss , Pp 1-13 (2024)

Spatial patterns of bioaccumulated mercury were evaluated in coastal marine food webs of east Hudson Bay and east James Bay in the boreal subarctic of Canada. Two marine species, blue mussels (Mytilus edulis) and common eider ducks (Somateria molliss

Externí odkaz: https://doaj.org/article/7e244f7c2e344fa6b68d22495188d54f

Water chemistry and periphyton biomass in the Rideau River: Have conditions changed after 24 years?

Autor: Lindsay Trottier, John Chételat, Chantal Vis, Paul B. Hamilton, Frances R. Pick, Jesse C. Vermaire

Publikováno v: Journal of Limnology, Vol 81, Iss 1 (2022)

Over the past three decades, the Rideau River (Ontario, Canada) watershed has experienced a land-use change from rural and agricultural land towards urban land, and the introduction and expansion of invasive species. This study examined spatial and t

Externí odkaz: https://doaj.org/article/ac2bfec345704c329427a51c00e16cfb

Arsenic bioaccumulation in subarctic fishes of a mine-impacted bay on Great Slave Lake, Northwest Territories, Canada.

Autor: John Chételat, Peter A Cott, Maikel Rosabal, Adam Houben, Christine McClelland, Elise Belle Rose, Marc Amyot

Publikováno v: PLoS ONE, Vol 14, Iss 8, p e0221361 (2019)

A subarctic fish community in mine-impacted Yellowknife Bay (Great Slave Lake, Northwest Territories, Canada) was investigated for biological and ecological processes controlling arsenic bioaccumulation. Total concentrations of arsenic, antimony, and

Externí odkaz: https://doaj.org/article/5c4e7be37a7344159d22156e0bad0616

Microbial community structure in lake and wetland sediments from a high Arctic polar desert revealed by targeted transcriptomics.

Autor: Magdalena K Stoeva, Stéphane Aris-Brosou, John Chételat, Holger Hintelmann, Philip Pelletier, Alexandre J Poulain

Publikováno v: PLoS ONE, Vol 9, Iss 3, p e89531 (2014)

While microbial communities play a key role in the geochemical cycling of nutrients and contaminants in anaerobic freshwater sediments, their structure and activity in polar desert ecosystems are still poorly understood, both across heterogeneous fre

Externí odkaz: https://doaj.org/article/c203aa0feb3940a18a79bca6061885bc

Contributions and perspectives of Indigenous Peoples to the study of mercury in the Arctic

Autor: Magali Houde, Eva M. Krümmel, Tero Mustonen, Jeremy Brammer, Tanya M. Brown, John Chételat, Parnuna Egede Dahl, Rune Dietz, Marlene Evans, Mary Gamberg, Marie-Josée Gauthier, José Gérin-Lajoie, Aviaja Lyberth Hauptmann, Joel P. Heath, Dominique A. Henri, Jane Kirk, Brian Laird, Mélanie Lemire, Ann E. Lennert, Robert J. Letcher, Sarah Lord, Lisa Loseto, Gwyneth A. MacMillan, Stefan Mikaelsson, Edda A. Mutter, Todd O'Hara, Sonja Ostertag, Martin Robards, Vyacheslav Shadrin, Merran Smith, Raphaela Stimmelmayr, Enooyaq Sudlovenick, Heidi Swanson, Philippe J. Thomas, Virginia K. Walker, Alex Whiting

Publikováno v: Houde, M, Krümmel, E M, Mustonen, T, Brammer, J, Brown, T M, Chételat, J, Dahl, P E, Dietz, R, Evans, M, Gamberg, M, Gauthier, M-J, Gérin-Lajoie, J, Hauptmann, A L, Heath, J P, Henri, D A, Kirk, J, Laird, B, Lemire, M, Lennert, A E, Letcher, R J, Lord, S, Loseto, L, MacMillan, G A, Mikaelsson, S, Mutter, E A, O'Hara, T, Ostertag, S, Robards, M, Shadrin, V, Smith, M, Stimmelmayr, R, Sudlovenick, E, Swanson, H, Thomas, P J, Walker, V K & Whiting, A 2022, ' Contributions and perspectives of Indigenous Peoples to the study of mercury in the Arctic ', Science of the Total Environment, vol. 841, 156566 . https://doi.org/10.1016/j.scitotenv.2022.156566
Houde, M, Krümmel, E M, Mustonen, T, Brammer, J, Brown, T M, Chételat, J, Dahl, P E, Dietz, R, Evans, M, Gamberg, M, Gauthier, M J, Gérin-Lajoie, J, Hauptmann, A L, Heath, J P, Henri, D A, Kirk, J, Laird, B, Lemire, M, Lennert, A E, Letcher, R J, Lord, S, Loseto, L, MacMillan, G A, Mikaelsson, S, Mutter, E A, O'Hara, T, Ostertag, S, Robards, M, Shadrin, V, Smith, M, Stimmelmayr, R, Sudlovenick, E, Swanson, H, Thomas, P J, Walker, V K & Whiting, A 2022, ' Contributions and perspectives of Indigenous Peoples to the study of mercury in the Arctic ', Science of the total Environment, vol. 841, 156566 . https://doi.org/10.1016/j.scitotenv.2022.156566

Arctic Indigenous Peoples are among the most exposed humans when it comes to foodborne mercury (Hg). In response, Hg monitoring and research have been on-going in the circumpolar Arctic since about 1991; this work has been mainly possible through the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::054d8d1e7fd89be373ad2b69e4a3fb3f
https://hdl.handle.net/10037/26230