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This study aimed to evaluate the toxicity of naphthenic acid fraction components (NAFC) from fresh oil sands affected-water (OSPW) on the embryo-larval stage of the fathead minnow (Pimephales promelas) and the walleye (Sander vitreus). The assessed endpoints were hatch success, growth,...

The 2019 amended Fisheries Act (FA) contains a provision that will require DFO to have a public facing Registry to provide public access to records relating to fish and fish habitat protection and pollution prevention, including: • Ministerial agreements • Standards and Codes of practice •...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Temperature change in Canada indicator shows the yearly and seasonal surface air temperature departures for the years...

Salmon escapement data constitute important corporate knowledge which must be adequately maintained and accessible. The Salmon Escapement Database (NuSEDS) is the DFO Pacific Region’s central database that stores individual spawner survey data records, spawner abundance estimates and the linkages...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Forest management and disturbances indicator includes information on the management of Canadian forests, disturbances to...

Laboratory research was completed to assess the relative toxicity of various short-chain PFAS in adult and juvenile freshwater snails. Tests of various duration (7-28 days) and encompassing three life stages (adults, juveniles, and embryos) were completed with three sulfonic acids (PFSAs):...

This study examined the toxicity effects of groundwater collected from areas with influence from natural bitumen sources (far-field), as well as samples collected from areas with influence from industrial bitumen sources (near-field). A novel method for extraction and fractionation of dissolved...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. These indicators track facility-based releases to water of 3 substances that are defined as toxic under the Canadian...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Global greenhouse gas emissions indicator reports global human emissions of GHGs from 1990 to 2021. The Greenhouse gas...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. These indicators track human-related emissions to air of 3 substances that are defined as toxic under the Canadian...