70 record(s) found with the tag "benthic invertebrates" (multi-year projects are grouped):
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Benthic Macroinvertebrate Monitoring (Slave and Hay Rivers)
Principal Investigator: Levasseur, Annie
Licenced Year(s): 2017
Summary: The objectives of this project is to establish a baseline for benthic invertebrates’ community structure and composition in the transboundary reaches of the Slave and Hay Rivers and to track their status and conditions over time to assess ecosystem health and provide an early warning of change or stress in the environment. The monitoring plan involves selecting and sampling several 500m long re...


The ecology and paleoecology of benthic macroinvertebrates in the Mackenzie Delta region
Principal Investigator: Quinlan, Roberto
Licenced Year(s): 2017 2016 2015 2014 2013
Summary: The objectives of our study are to 1) establish the importance of lake connectivity in determining the community composition and species richness of the invertebrate community of a lake, and the contribution of lakes of differing connectivity to the regional diversity of the Mackenzie Delta, 2) characterize the response of invertebrate communities to changing peak flood levels to allow prediction ...


Thetis Bay Bathymetric Survey and Benthic Sampling
Principal Investigator: Wolf, Calvin
Licenced Year(s): 2016
Summary: The objective of this project is to document the physical condition of the seabed lease following the removal of the Tarsiut Caissons. The project also includes sampling benthic populations in the disturbed and undisturbed areas of the lease. This information can be used as a benchmark for possible future study of the effects of natural processes in restoring the footprint of the caissons. A bathy...


Con Mine Phase 5 EEM - Periodic Monitoring
Principal Investigator: Machtans, Hilary
Licenced Year(s): 2015 2012 2009 2007
Summary: The study is part of the Phase 5 Environmental Effects Monitoring (EEM) program, which is requirement under the Fisheries Act, Metal Mining Effluent Regulations (MMER). The objective of the study is to carry out the second year of periodic monitoring of fish and benthos at the determined study locations; Jackfish Bay (exposure area), Horseshoe Island Bay (reference area for fish survey) and Kam Ba...


Fish Inventory Study in EL494
Principal Investigator: Hansen, Ken
Licenced Year(s): 2015
Summary: The objective of the project is to identify the fish species present, gather population data on surveyed fish species, assess fish habitat characteristics, and identify benthic invertebrate species present in waterbodies in the area of Husky’s proposed exploration activity. Five streams and nine lakes are proposed to be assessed. Backpack electrofishing and fyke nets will be used to assess the ...


NATCL - Cantung Mine 2015 Environmental Effects Monitoring
Principal Investigator: Carson, Richard J
Licenced Year(s): 2017 2015
Summary: The objectives are to evaluate if there are differences in biological parameters among study sites and between years of the Environmental Effects Monitoring study are still present and whether any differences are the result of current mining practices, historical mining practices, or a combination of the two. The design will include studies on fish (non-lethal sampling of slimy sculpin), benthi...


Bathymetry, Aquatics and Fisheries Data Collection for the Potential North Diversion of Baker Creek, Giant Mine Remediation Project
Principal Investigator: Sibbald, Carey
Licenced Year(s): 2014
Summary: The primary objectives of this research program are to collect baseline data on the bathymetry and depth contours, water chemistry, limnological profiles, sediments, and benthic biota, fish presence and habitat. The Bathymetry field program will be conducted in August 2014, prior to the Aquatics and Fisheries field programs. Data from the bathymetry field program is required to finalize samplin...


PWGSC Gordon Lake Environmental Site Assessments
Principal Investigator: Nyman, Jeff
Licenced Year(s): 2013
Summary: The objective of this program is to determine the environmental and physical conditions at nine sites on Gordon Lake. This will include the identification and quantification of environmental impacts in soil, sediment, surface water and groundwater, and the identification of any hazardous or non-hazardous materials. In addition, samples of biota (including vegetation, fish, benthic invertebrates) m...


The Arctic in Flux: How has Recent Climate Change Affected Contaminant Transport and Uptake in Aquatic Arctic Systems?
Principal Investigator: Blais, Jules M
Licenced Year(s): 2013 2012
Summary: This research will determine how the recent and dramatic climate changes in Arctic freshwater have affected the transport and fate of anthropogenic contaminants to freshwater systems, two of the largest threats facing northern communities and ecosystems. This research will develop new tools to examine how the fate of anthropogenic contaminants is affected in Arctic regions under different climate ...


Diavik Aquatic Effects Monitoring Program
Principal Investigator: Wells, David A
Licenced Year(s): 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2005 2004 2003 2002 2001
Summary: To revisit fixed sample stations at near-field, mid-field and far-field sites over the course of the year in an effort to determine any seasonal variation that may exist and confirm impact predictions. The study will encompass the following water based parameters: water quality, zooplankton & phytoplankton biomass and taxonomy, benthic invertebrate analysis and sediment chemistry. This program als...


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