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mercurycontaminants
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biology
fish sampling
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Wildfire Effects
5 dossier(s) trouvé(s) portant l’étiquette "methylmercury" (les projets pluriannuels sont regroupés):
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Impacts of wildfire on runoff response and downstream water chemistry in a region with rapid permafrost loss
chercheur principal: Olefeldt, David
Année(s) de permis: 2024
Résumé: This licence has been issued for the scientific research application No. 5892. Objective summary: To assess the effect of wildfires on changes in water quality in the Dehcho and South Slave region, which are affected by runoff from peatlands (containing e.g., organics, nutrients, and mercury/methylmercury), which are already experiencing increased permafrost thaw due to climate change. Synop...
Année(s) de permis: 2024
Résumé: This licence has been issued for the scientific research application No. 5892. Objective summary: To assess the effect of wildfires on changes in water quality in the Dehcho and South Slave region, which are affected by runoff from peatlands (containing e.g., organics, nutrients, and mercury/methylmercury), which are already experiencing increased permafrost thaw due to climate change. Synop...
Murky waters: Impacts of disturbances on the mobilization and downstream delivery of mercury and methylmercury
chercheur principal: Olefeldt, David
Année(s) de permis: 2023 2022 2021
Résumé: This licence has been issued for the scientific research application No.5448. This project proposes to monitor wetlands, streams, rivers, and lakes in the Dehcho region, with a focus on understanding current and future trends in aquatic mercury and methylmercury. The region has vast stores of mercury accumulated in organic wetland soils, and there is a risk that disturbances such as permafrost ...
Année(s) de permis: 2023 2022 2021
Résumé: This licence has been issued for the scientific research application No.5448. This project proposes to monitor wetlands, streams, rivers, and lakes in the Dehcho region, with a focus on understanding current and future trends in aquatic mercury and methylmercury. The region has vast stores of mercury accumulated in organic wetland soils, and there is a risk that disturbances such as permafrost ...
Further Examination of the Bio- Magnification of Mercury within Fish Species and watersheds of the Deh Cho and Their Varying Levels Among Lakes
chercheur principal: Low, Mike
Année(s) de permis: 2023 2021 2019
Résumé: This licence has been issued for the scientific research application No.5348. The objectives of this research project are: 1) to determine why fish mercury levels vary among lakes in the Dehcho region; 2) to identify best predictors of fish mercury levels; 3) to determine with fish have the lowest levels of mercury and the highest levels of nutrients; and, 4) to collect data on parameters that ...
Année(s) de permis: 2023 2021 2019
Résumé: This licence has been issued for the scientific research application No.5348. The objectives of this research project are: 1) to determine why fish mercury levels vary among lakes in the Dehcho region; 2) to identify best predictors of fish mercury levels; 3) to determine with fish have the lowest levels of mercury and the highest levels of nutrients; and, 4) to collect data on parameters that ...
Spatial and long-term trends in persistent organic contaminants and metals in lake trout and burbot from the Northwest Territories
chercheur principal: Evans, Marlene S.
Année(s) de permis: 2023 2022 2017 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
Résumé: This study is continuing to investigate whether contaminant levels are changing in fish in the Northwest Territories with a focus on Great Slave Lake which the research team have been studying since the early 1990s. The team plan to collect lake trout from Great Slave Lake (Hay River area and Lutsel K’e area). The team also plan to collect burbot from the Lutsel K’e and Fort Resolution areas of Gr...
Année(s) de permis: 2023 2022 2017 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
Résumé: This study is continuing to investigate whether contaminant levels are changing in fish in the Northwest Territories with a focus on Great Slave Lake which the research team have been studying since the early 1990s. The team plan to collect lake trout from Great Slave Lake (Hay River area and Lutsel K’e area). The team also plan to collect burbot from the Lutsel K’e and Fort Resolution areas of Gr...
Bluefish Lake Mercury Monitoring
chercheur principal: Dewar, David J
Année(s) de permis: 2012
Résumé: The Objectives of this research project are to: 1.) gather information in 2012 on the small-bodied and Young of Year fish in Bluefish Lake that may be available for monitoring as well as determine the most suitable methods and locations for their capture in order to finalize the proposed mercury study design, and 2.) complete monitoring between 2013 and 2015 as described in the finalized mercury ...
Année(s) de permis: 2012
Résumé: The Objectives of this research project are to: 1.) gather information in 2012 on the small-bodied and Young of Year fish in Bluefish Lake that may be available for monitoring as well as determine the most suitable methods and locations for their capture in order to finalize the proposed mercury study design, and 2.) complete monitoring between 2013 and 2015 as described in the finalized mercury ...
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