DataDictionary_FR (French, CSV)

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Publisher-reported update

2026-03-24

Aquatic invasive species (AIS) are non-native species that pose ecological and/or economic threats to Canada's coastal waters and resources. In response, Fisheries and Oceans Canada (DFO) established a program to detect and track the spread of aquatic invasive species in Canadian waters (2006). In the Newfoundland and Labrador (NL) Region, these species include biofouling organisms (tunicates, bryozoans, crustaceans, seaweeds), European Green Crab, and recently, several freshwater species (data not available at this time). DFO NL Science monitors for AIS in partnership with other DFO branches, the provincial government, Memorial University, including the Marine Institute, industry, first nations, and NGOs. Methods for detecting AIS used by DFO and their partners, include settlement plates, trapping, seining, eDNA (water samples), qPCR (species confirmation), SCUBA surveys along wharves, floating docks and vessel hulls, and video surveys at high-risk harbours. The data collected from DFO's monitoring program and their partners provides an overview of the distribution of AIS in the NL Region. This information can be used by the general public, scientists, and DFO managers. AIS NL…

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