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The European Green crab is a pan-global invasive exotic species. Its detrimental effects are well documented, including effects on eelgrass and soft-shelled clams and have defined the species of crab as an 'ecosystem engineer'. A population control program was initiated in 2009 whereby modified shrimp traps are used to remove as many green crabs from Kejimkujik's estuaries as possible. These management efforts are evaluated through standardized monitoring whereby 14 traps are deployed for the same period of time in the same place annually.

Site locations of aquatic invasive species occurrences throughout the province. The aquatic invasive species include species of amphibians, fishes, invertebrates, plants, alga and turtles. This spatial dataset was compiled from a number of data sources including The Invasive Plant Council of BC; the Beaty Biodiversity Museum; the Royal BC Museum; the Fisheries Information Summary System; E-Flora BC; Electronic Atlas of Plants of BC; and from private data compilations(spreadsheets) and personal consultation with BC Ministry of Environment staff and other local experts, peer-reviewed articles and other unpublished technical reports. Full Citations are included

The Peace Athabasca Delta (PAD) is a dynamic deltaic ecosystem that is driven by natural, periodic floods. Vegetation communities naturally vary with floods and droughts, but changes in the long term can be detected. Specific concerns include: a shift away from aquatic communities, encroachment of shrubby species, and spread of invasive species. The Wood Buffalo National Park (WBNP) PAD Vegetation Invasive Species dataset documents the occurrence and cover of invasive plant species in permanent plots in the Peace Athabasca Delta.

Kelp features were taken from digitized survey source fieldsheets produced by the Canadian Hydrographic Service (CHS). The area covered by this dataset encompasses various surveyed areas along the western coast of North America in British Columbia coastal waters. CHS has an extensive collection of hydrographic survey data in the form of field sheets based on over 100 years of surveying in Canada. Data has been collected using a wide range of methods and systems, from lead-line to modern day multi-transducer and multibeam systems.

DFO Science monitors for AIS in the Gulf Region along with several provincial agencies, universities and NGOs. 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.

Since 2006, the DFO Maritimes Biofouling Monitoring Program has conducted annual field surveys to monitor for the introduction, establishment and spread of Aquatic Invasive Species (AIS ). To date, sampled species include the following:

Solitary Tunicates

i. clubbed tunicate, Styela clava (Herdman, 1881)

ii. vase tunicate, Ciona intestinalis (Linnaeus, 1776)

iii. European sea squirt, Ascidiella aspersa (Muller, 1776)

Colonial Tunicates

i. golden star tunicate Botryllus schlosseri (Pallas, 1766)

ii.

These data were created under DFO’s Strategic Program for Ecosystem-based Research and Advice - Aquatic Invasive Species Program: “Evaluation of the movement of marine infrastructure as a pathway for aquatic invasive species spread”. This geodatabase contains floating dock locations in coastal waters of the Pacific Northwest, from Puget Sound, Washington to Southeast Alaska. These data were assembled by Josephine Iacarella and used in an analysis to understand the role of floating infrastructure as a vector in the spread of marine nonindigenous species (Iacarella et al., 2018). The data are represented as point vectors, though docks have associated size estimates.

Areas of known Snow Crab presence in the Bay of Fundy and Port Hawkesbury areas. The Coastal Oceanography and Ecosystem Research section (DFO Science) reviewed science sources and local knowledge sources to estimate where Snow Crab are seasonally present and delineate these areas. As of March 2017, this dataset delineates the presence of snow crab in the Bay of Fundy and Port Hawkesbury areas of Nova Scotia designated within the Area Response Planning (ARP), identified under the World Class Tanker Safety System (WCTSS) initiative, based on the Transport Canada's Response Organizations Standards.

A version of this dataset was created for the National Environmental Emergency Center (NEEC) following their data model and is available for download in the Resources section.

Tow, catch, and biological information for crab caught during the annual snow crab research vessel trawl survey in the southern Gulf of St. Lawrence.

Since 2005, Fisheries and Oceans Canada has been collecting monitoring data for aquatic invasive species (e.g. https://open.canada.ca/data/en/dataset/8d87f574-0661-40a0-822f-e9eabc35780d, https://open.canada.ca/data/en/dataset/503a957e-7d6b-11e9-aef3-f48c505b2a29, https://open.canada.ca/data/en/dataset/8661edcf-f525-4758-a051-cb3fc8c74423). This monitoring data, as well additional occurrence information from online databases and the scientific literature, have been paired with high resolution environmental data and oceanographic models in species distribution models that predict the present-day and future potential distributions of 12 moderate to high risk invasive species on Canada’s east and west coasts. Future distributions were predicted for 2075, under Representative Concentration Pathway 8.5 from the Intergovernmental Panel on Climate Change’s fifth Assessment Report.