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Likelihood of Presence of Bluefin Tuna in Area Response Planning Pilot Areas
Bluefin tuna landings are reported to the Department of Fisheries and Oceans and stored in the Maritime Fishery Information System Database. This database was queried in January... -
Areas of high residency within the summer distribution of the beluga whale population
To identify areas of high residency, fine-scale tracking data from individual animals and coarser, short-term movement patterns of herds were analyzed. Individual radio-tracking... -
Incidental catch at BC marine finfish aquaculture sites
Fisheries and Oceans Canada’s (DFO’s) Conditions of Licence for finfish aquaculture include requirements to minimize harm to wild fish that swim into facilities. Facility... -
Pacific Salmon Designatable Units
The dataset consists of maps detailing the boundaries of the designatable units for conservation considerations as defined by the Committee on the Status of Endangered Wildlife... -
Carcass classification of cultured salmon at British Columbian aquaculture...
Mortality at salmon aquaculture facilities is closely monitored. As in any population of wild or farmed animals, there are a number of causes leading to death. While in-depth... -
Concentrations of flame retardants (PBDE), polychlorinated biphenyls (PCB)...
The endangered St. Lawrence Estuary (SLE) beluga population is in decline and has shown no signs of recovery despite multiple protection measures. Changes in prey availability... -
Salmon Coded-Wire-Tag Fishery Sampling -- Release Data
The Coded-Wire Tag (CWT) database contains the Release, Recovery, Catch/Sample, and Location data. CWT is the Pacific Region’s centralized Oracle database that holds adult... -
Canadian Science Advisory Secretariat Stock Status Reports
This series documents the status of different stocks of fish, invertebrates and marine mammals in Canada as well as some ecosystem and environmental issues. From 1993 to 1996,... -
California Sea Lion Haulout Counts in British Columbia
The United States population of California Sea Lions (Zalophus californianus) range from southeast Alaska to the Pacific coast of central Mexico. While this population does not... -
Impacts of coastal acidification and climate change stressors on the...
This dataset was collected in support of a Competitive Science and Research Fund project (21-CC-05-06 Impacts of coastal acidification and climate change stressors on the... -
Estimates of anthropogenic nitrogen loading and eutrophication indicators...
The excessive input of nitrogen derived from human land-use activities remains a major cause of the eutrophication of coastal ecosystems around the world. However, little data... -
Northwestern Ontario Lake Size Series (NOLSS) lakes- water chemistry data.
This dataset includes water chemistry data collected from five of the six lakes as part of the Northwestern Ontario Size Series project in 1987 and 1990 including species of... -
Salmon Coded-Wire-Tag Fishery Sampling -- Recovery Data
The Coded-Wire Tag (CWT) database contains the Release, Recovery, Catch/Sample, and Location data. CWT is the Pacific Region’s centralized Oracle database that holds adult... -
Commercial catches sampling program in the Estuary and Gulf of St. Lawrence...
Summary The Quebec region of the Department of Fisheries and Oceans (DFO) is responsible for the assessment of several fish and invertebrate stocks exploited in the Estuary and... -
Fisheries monitoring and biological data of the Yellowknife River Cisco...
PURPOSE: "Biological, relative abundance, and environmental data have been collected from the Yellowknife River Cisco population that can be used to inform fisheries management... -
Benthic invertebrates in seagrass and bare soft sediments in Atlantic Nova Scotia
This dataset contains the abundance (per m²) and the biomass (mg dry per m²) of macrofauna (≥ 500µm) in eelgrass and adjacent bare soft sediments, collected at sites in the... -
Pacific Circulation Index (Winter)
This index is the cumulative summation of negative northwesterly atmospheric circulation frequency anomalies: Z (westerly), M1, (northwesterly), and M2 (southwesterly) for... -
White Shark (Carcharodon carcharias) sightings in Atlantic Canada (1873 to 2022)
Locations are indicated based on the information available. If coordinates were not available, the approximate location is indicated using the description associated with the... -
Great Lakes Fish Biodiversity Database
The Great Lakes Fish Biodiversity Science Database is a compilation of fish community and habitat data from DFO Science surveys, primarily related to freshwater fishes of...