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Found 10 records similar to Spatiotemporal variation of ringed seal blubber cortisol levels in the Canadian Arctic

Federal

Concentrations of alternative flame retardants and polybrominated diphenyl ethers (PBDEs) were analyzed in ringed seal (Phoca hispida) blubber collected across the Canadian Arctic during subsistence hunts between 1998 and 2013. The presence of flame retardants in ringed seals suggests their persistence and their continuous inputs in the Canadian Arctic environment. Monitoring and research on the effects of these contaminants in seals are warranted given the importance of this species in Arctic marine food webs and for local communities. Supplemental Information

The Northern Contaminants Program (NCP, http://www.science.gc.ca/eic/site/063.nsf/eng/h_7A463DBA.html) was established in 1991 in response to concerns about human exposure to elevated levels of contaminants in wildlife species that are important to the traditional diets of northern Aboriginal peoples.

Last Updated: Jul. 22, 2021
Date Published: May 22, 2018
Organization: Environment and Climate Change Canada
Formats: CSV HTML
Keywords:  Nature and Biodiversity - Contaminants, Arctic
Federal

Fisheries and Oceans Canada and Environment and Climate Change Canada (Northern Contaminants program) have been working with Nunavut community Hunters and Trappers Organizations and theNunavut Wildlife Management Board consistently since 1980 to collect samples from harvested ringed seals. The majority of seals were measured in the field by Inuit hunters who recorded date of kill, sex and blubber depth at sternum (0.5 cm). The data from the harvested animals are used to evaluate stressors and overall seal health, in the Canadian Arctic.

Last Updated: Sep. 14, 2020
Date Published: Jul. 1, 2020
Organization: Fisheries and Oceans Canada
Formats: PDF CSV ESRI REST
Keywords:  Marine Habitat, Arctic Ocean, Baffin Bay, Canadian Basin, Hudson Bay and James Bay, Hudson Strait and Ungava Bay, Fisheries resources, Mammals, Marine biology
Federal

This record contains two datasets: 1. Raw unfiltered geographic coordinates and accuracy estimates of ringed seals tagged in the Western Canadian Arctic and 2. The location estimate from state-space models using a 12-hr time step. In total, 17 ringed seals were captured, measured, weighed, and tagged with satellite-linked transmitters (SDR-10, SDR-16, SPLASH) in June and July of 1999, 2000, and 2010.

Last Updated: Oct. 28, 2021
Date Published: Oct. 4, 2021
Organization: Fisheries and Oceans Canada
Formats: PDF CSV ESRI REST
Keywords:  Seals/Sea Lions/Walruses, Beaufort Sea, Aquatic wildlife, Marine biology
Federal

Ringed seals (Phoca hispida) are harvested annually in Arviat and Resolute (Nunavut), Sachs Harbour (Northwest Territories) and Nain (Labrador) with the help of the communities in the context of an environmental monitoring program. Samples of meat, blubber, liver and kidney are collected for inorganic elements and organic contaminants analyses along with a variety of biological/life history parameters measurements such as age, length, weight, body condition, stable isotopes of nitrogen and carbon, blubber thickness, and lipid content. Data have been collected since 1991, but mostly since 2004, and this project is ongoing. Supplemental Information

The Northern Contaminants Program (NCP, http://www.science.gc.ca/eic/site/063.nsf/eng/h_7A463DB
A.html) was established in 1991 in response to concerns about human exposure to elevated levels of contaminants in wildlife species that are important to the traditional diets of northern Aboriginal peoples.

Last Updated: Feb. 21, 2022
Date Published: May 22, 2018
Organization: Environment and Climate Change Canada
Formats: PDF HTML
Keywords:  Environment, Nature and Biodiversity - Contaminants
Federal

Note: To visualize the data in the viewer, zoom into the area of interest. The National Air Photo Library (NAPL) of Natural Resources Canada archives over 6 million aerial photographs covering all of Canada, some of which date back to the 1920s. This collection includes Time Series of aerial orthophoto mosaics over a selection of major cities or targeted areas that allow the observation of various changes that occur over time in those selected regions. These mosaics are disseminated through the Data Cube Platform implemented by NRCan using geospatial big data management technologies.

Last Updated: Jan. 11, 2023
Date Published: Oct. 31, 2022
Organization: Natural Resources Canada
Formats: WMS WCS HTML JSON GeoTIF
Keywords:  Mosaic, Aerial photography, Access to information, Remote sensing
Federal

Ringed seals (Phoca hispida) have been used as bioindicator species of environmental contamination in Canada since the 1970s. In the present study, seals were harvested during subsistence hunts in four regions of the Canadian Arctic: Beaufort Sea, Arctic Archipelago, Hudson Bay, and coastal Labrador. An extensive suite of persistent organic pollutants (POPs) was determined in seal blubber collected for multiple years between 1972 and 2016. Results from this long-term study indicate geographical differences in the contaminant concentrations in seals and the significant general decrease of most POPs, including polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane (DDT) and related compounds, chlordanes (CHL), and hexachlorocyclohexanes (HCH) over time in ringed seals.

Last Updated: Jul. 29, 2021
Date Published: Jun. 4, 2019
Organization: Environment and Climate Change Canada
Formats: CSV HTML
Keywords:  Northwest Territory, Inuvialuit, Nunavut, Nunavik, Nunatsiavut, Labrador, Canadian High Arctic, Northern Contaminants Program (NCP), community-based monitoring
Federal

Layer that includes the known information on potential haul-out sites for the harbour seal and gray seal in the Estuary and Gulf of St. Lawrence according to a literature review of documents produced between 1978 and 2000. Additional Information

Potential haul-out sites for the harbor seal and gray seal were produced according to a literature review of the following documents:

Andersen, A. et M. Gagnon. 1980. Les ressources halieutiques de l'estuaire du Saint-Laurent.

Last Updated: Sep. 20, 2019
Date Published: Jan. 1, 2018
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Haulout, Seal, Harbour seal, Grey Seal, Phoca vitulina, Halichoerus grypus, Gulf of St. Lawrence, St. Lawrence Estuary, Earth sciences
Federal

This layer represents the Harp seal (Pagophilus groenlandicus) distribution. During the summer, the Harp seal is in Arctic and it migrates south of its distribution range during the fall. It migrates back to the Arctic after the moulting period which occurs in April and May. Reference:

DFO.

Last Updated: May 31, 2022
Date Published: Jan. 1, 2022
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Quebec, Newfoundland and Labrador, Nunavut, Greenland, Gulf of St. Lawrence, Strait of Belle Isle, Baffin Bay, Marine mammals, Distribution
Federal

Health Canada has notified BASF Canada that it has no objection to the sale of food derived from herbicide tolerant soybean CV127. The Department conducted a comprehensive assessment of this soybean event according to its Guidelines for the Safety Assessment of Novel Foods.

Last Updated: Oct. 6, 2021
Date Published: May 18, 2017
Organization: Health Canada
Formats: HTML
Keywords:  Novel Food, Imidazolinone herbicide Tolerant Soybean CV127, food derived, herbicide tolerant soybean, CV127, BASF Canada, food safety assessment
Federal

Harbour seals (Phoca vitulina) are found along temperate and Arctic marine coastlines of the Northern Hemisphere. They are found in coastal waters of the northern Atlantic and Pacific Oceans, as well as those of the Baltic and North Seas. In Canada, they may be found off the coastal waters of British Columbia, Nunavut, Manitoba, Ontario, Quebec, New Brunswick, Prince Edward Island, Nova Scotia, and Newfoundland and Labrador. Population trends and abundance of harbour seals in British Columbia are assessed based on aerial surveys conducted during 1966-2019.

Last Updated: May 27, 2022
Date Published: Jan. 1, 2017
Organization: Fisheries and Oceans Canada
Formats: CSV ESRI REST
Keywords:  Harbour Seal, Abundance, Aerial Suvey, Phoca vitulina, Sightings, Marine mammals, Pacific Ocean, British Columbia, Strait of Georgia
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