Open Government Portal

  • Federal

    Nutrients in Great Lakes Priority Tributaries Data

    Water quality monitoring data collected in priority tributaries to provide nutrient concentration data to estimate nutrient loads to the waters of the Great Lakes. Data is collected to advance the science to understand and address the complex problem of recurrent toxic and nuisance algae in the...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
    • TXT
    • CSV
  • Federal

    Index Site Surveys Data for Olympia Oysters, Ostrea lurida, in British Columb...

    The Olympia oyster (Ostrea lurida Carpenter, 1864) is one of four species of oysters established in British Columbia (BC), Canada, and the only naturally occurring oyster in BC (Bourne 1997; Gillespie 1999, 2009). O. lurida reaches the northern limit of its range in the Central Coast of British...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • HTML
    • CSV
    • PDF
    • ESRI REST
  • Federal

    Great Lakes Connecting Channels Monitoring and Surveillance Data

    Water quality and suspended sediment monitoring and surveillance data collected from the connecting channels of the Great Lakes to determine baseline water quality status, long term trends and spatial distributions, the effectiveness of management actions, determine compliance with sediment...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
    • TXT
    • CSV
    • XLSX
  • Federal

    Significant New Activity Publications under the Canadian Environmental Protec...

    This dataset includes all significant new activity (SNAc) orders and notices published under the authority of the Canadian Environmental Protection Act, 1999 (CEPA). The SNAc provisions of CEPA may be applied to a substance or living organism when Environment and Climate Change Canada and Health...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • XLS
    • HTML
  • Federal

    Great Lakes Water Quality Monitoring and Aquatic Ecosystem Health Data

    Water quality and ecosystem health data collected using a risk-based monitoring approach to support the Great Lakes Water Quality Agreement are included in this dataset. By conducting regular, systematic measurements of the physical, chemical and biological conditions of the Great Lakes...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Canadian Lake Erie Nutrient Load Estimates

    The most recent Canadian nutrient loading estimates to Lake Erie. Estimates are calculated using Environment and Climate Change Canada's Erie Loading Tool - a Windows based desktop application that is based on the "Dolan approach" for estimating loads described in Maccoux et al. (2016). Maccoux,...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • PDF
    • HTML
  • Federal

    Cumulative effects of municipal effluent and parasite infection in yellow perch

    Multiple metabolic, immune and reproductive effects have been reported in fish residing in effluent-impacted sites. Natural stressors such as parasites also have been shown to impact the responses of organisms to chronic exposure to municipal effluent in the St. Lawrence River (Quebec, Canada)....
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Spatial distribution and seasonal variation of epiphytic cyanobacteria, filam...

    The epiphytic cyanobacterium Gloeotrichia pisum forms spherical colonies embedded in a gelatinous matrix that is attached to submerged aquatic vegetation. In surveys of two fluvial lakes of the St. Lawrence River conducted in 2006–2007, growth conditions and diazotrophic ability in conjunction...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Federal

    Variation in biomass of submerged and emergent aquatic vegetation in the St. ...

    The specific composition, biomass, vertical distribution and metal content of submerged and emergent aquatic plants in the St. Lawrence were evaluated. The riparian vegetation community of the St. Lawrence is characterized by the presence of extensive wetlands in the floodplain, a border of...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
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