AIS Biofouling Monitoring Stations (English, French, CSV)

AIS Biofouling Monitoring Stations: English/French CSV file you can open as a table, filter, chart and export up to 10,000 rows. From Fisheries and Oceans Canada, updated Apr 2026.

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Publisher-reported update

2026-04-22

PURPOSE: Provide early detection of newly arrived Aquatic Invasive Species (AIS) and determine the spread, establishment and spatial distribution of existing AIS within marine waters of the southern Gulf of St. Lawrence (sGSL), DFO Gulf Region boundaries (northern and eastern coastal shores of NB, Gulf shore of NS, and PEI shoreline). DESCRIPTION: DFO Science monitors for AIS in the Gulf Region. The data collected from DFO's biofouling monitoring program provides an overview of the distribution and abundance of Aquatic Invasive Species (AIS) in the Gulf Region. This information can be used by the general public, scientists and DFO managers. Monitoring program targeting aquatic invasive species (AIS). Native biofouling species are not included in this dataset. Botrylloides violaceus: Violet tunicate Botryllus schlosseri: Golden star tunicate Ciona intestinalis: Vase tunicate Styela clava: Clubbed tunicate Caprella mutica*: Japanese skeleton shrimp Membranipora membranacea: Coffin box bryozoan Carcinus maenas*: European green crab Codium fragile*: Oyster thief alga Juxtacribrilina mutabilis**: Ribbed bryozoan (JCM) *indicates species that are not included as percent cover as they…

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