Environment and Climate Change Canada

Acid-Sensitive Lakes Nine hundred and thirty-three lakes located in Saskatchewan, Alberta and the Northwest Territories were sampled to establish current acidification status. Of the 933 lakes, 244 (or 26%) are considered acid sensitive, almost always because of naturally low calcium and...

Benthic invertebrates monitoring includes both lotic (rivers/streams) and lentic (wetlands) ecosystems. Aquatic biomonitoring provides a direct measure of change in biotic populations and communities in relation to benchmark or reference conditions and can help identify the ecological effects of...

Deltaic Wetlands Biomonitoring Wetland macroinvertebrates, comprising insects, crustaceans, molluscs and worms represent a group of organisms forming a critical food resource for consumer organisms (e.g. fish, birds), that are used widely in environmental monitoring programs to assess both the...

Athabasca River (includes sites M2, M3, M4, M5, M6, M7 [2011-March 2018]) Water quality chemistry data for 17 sites in the lower Athabasca River (LAR), the Peace and Slave rivers, and their tributaries, including measurements of major ions, nutrients, metals (dissolved and total) and organics...