{ "@context":{"@vocab":"https://schema.org/"}, "@type":"ItemList", "itemListElement": [ { "@type":"ListItem", "position":1, "item":{ "@id":"CCIN10780", "@type":"Dataset", "name":"Monitoring of Contaminants in Ringed Seals from the Canadian Arctic", "datePublished": "2011-07-21", "dateModified": "2026-01-06", "description":"This study on contaminants in ringed seals is part of the Northern Contaminants Program (NCP), which coordinates Canada's action on northern contaminants, including persistent organic pollutants (POPs), both nationally and internationally. The NCP is a multi-disciplinary initiative addressing health, science and communications issues related to contaminants in Canada's Arctic. The goal of this ringed seal monitoring program, led by four northern communities, is to determine the long-term trends of contaminants in seals in relation with their physical conditions as well as changing environmental factors. Outreach into communities involved in this long-term monitoring is also a priority of this project.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=10780", "keywords": [ "Geographic locations -> Canadian High Arctic", "Geographic locations -> Labrador", "Health sciences and contaminants -> Mercury", "Health sciences and contaminants -> PCBs", "Health sciences and contaminants -> Persistent organic pollutants (POPs)", "Natural sciences -> Community-based monitoring", "Natural sciences -> Contaminants", "Natural sciences -> Marine mammals", "Natural sciences -> Ringed seal", "Natural sciences -> Stable isotope analyses", "Northern communities -> Arviat", "Northern communities -> Nain", "Northern communities -> Resolute", "Northern communities -> Sachs Harbour" ], "creator":{ "@type":"Person", "name":"Magali Houde", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-514-742-5124", "email":"magali.houde@canada.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1991-Jan-1/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.583333 -125.297599 47.75 -61.695356" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":2, "item":{ "@id":"CCIN11069", "@type":"Dataset", "name":"Atmospheric mercury concentrations at Alert, Nunavut, and Little Fox Lake, Yukon", "datePublished": "2010-03-19", "dateModified": "2026-01-16", "description":"As an identified priority of the Northern Contaminants Programme (NCP) and Environment Canada, the objective of this project is continuous monitoring of atmospheric concentrations of mercury at Alert and Little Fox Lake. Using the results, long-term trends of atmospheric mercury concentration levels, deposition patterns, and mercury processes in the Arctic will be assessed. These data will improve our understanding of the impact of mercury pollution on the Arctic environment, wildlife, country foods, and ultimately human health. The long-term objectives of this project are to address existing gaps of knowledge on the behaviour of mercury in the Arctic environment. This will contribute sound scientific information for the negotiation of national and international control actions to ensure the appropriate protection for the Arctic.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=11069", "keywords": [ "Geographic locations -> Arctic", "Geographic locations -> Nunavut", "Geographic locations -> Yukon", "Health sciences and contaminants -> Atmospheric elemental mercury", "Health sciences and contaminants -> Mercury", "Health sciences and contaminants -> Mercury speciation", "Natural sciences -> Air", "Natural sciences -> Atmosphere", "Natural sciences -> Contaminants", "Natural sciences -> Monitoring" ], "creator":{ "@type":"Organization", "url":"https://data-donnees.az.ec.gc.ca/data/air/monitor/monitoring-of-atmospheric-gases/total-gaseous-mercury-tgm/", "name":"Environment and Climate Change Canada", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-4166645385", "email":"geoff.stupple@ec.gc.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1995-Jan-1/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"83.0 -136.0 61.0 -62.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":3, "item":{ "@id":"CCIN11703", "@type":"Dataset", "name":"Long-term Monitoring of Trace Metals and Persistent Organic Pollutants in Lake Trout from Kusawa Lake and Lake Laberge, Yukon", "datePublished": "2013-04-26", "dateModified": "2026-04-07", "description":"The objective of this project is to maintain current data on contaminants levels in lake trout from two Yukon lakes (Laberge and Kusawa) to continue to assess the temporal trends of contaminants such as trace metals (e.g. mercury, selenium, arsenic), organochlorine contaminants (e.g. PCBs, DDT, toxaphene), selected current use chemicals such as brominated flame retardants (e.g. PBDEs), and fluorinated organic compounds (e.g. PFOS and its precursors) so as to determine whether the levels of these contaminants in fish, and thus exposure to people who consume them, are increasing or decreasing with time. These results will also help to test the effectiveness of international controls. The project partners with three First Nations who hold traditional territory on these lakes (Taan Kwachan Council, Champagne and Aishihik First Nations and Kwanlin Dun First Nation) to sample the fish and engage with youth and elders to foster dialogue on contaminants and local and indigenous knowledge.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=11703", "keywords": [ "Geographic locations -> Subarctic", "Geographic locations -> Yukon", "Health sciences and contaminants -> Mercury", "Health sciences and contaminants -> Persistent organic pollutants (POPs)", "Natural sciences -> Community-based monitoring", "Natural sciences -> Fishes", "Natural sciences -> Lake", "Natural sciences -> Lake trout" ], "creator":{ "@type":"Person", "name":"Mary Gamberg", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-867-334-3360", "email":"mary.gamberg@gmail.com" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1993-Jul-1/2021-Mar-28", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"61.0 -136.0 60.0 -135.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":4, "item":{ "@id":"CCIN12007", "@type":"Dataset", "name":"Monitoring of the Contaminant Levels in Arctic Caribou in Northern Yukon and Southwestern Nunavut: Making More Informed Decisions About Food Consumption", "datePublished": "2014-11-10", "dateModified": "2026-04-07", "description":"To determine levels, and temporal trends, in contaminants in Arctic caribou in order to provide information to northerners regarding contaminants in these traditional foods, including providing information for health assessments and/or advisories as required. This will enable northerners to make more informed choices about food consumption, wildlife managers to assess possible health effects of contaminants on Arctic caribou populations and researchers to further understand the fate and effects of contaminant deposition and transport to the Canadian Arctic.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12007", "keywords": [ "Geographic locations -> Kivalliq", "Geographic locations -> Yukon", "Health sciences and contaminants -> Cadmium", "Health sciences and contaminants -> Mercury", "Health sciences and contaminants -> Traditional food", "Natural sciences -> Caribou", "Natural sciences -> Contaminants", "Natural sciences -> Porcupine caribou herd", "Natural sciences -> Qamanirjuaq caribou herd" ], "creator":{ "@type":"Person", "name":"Mary Gamberg", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-867-334-3360", "email":"mary.gamberg@gmail.com" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2010-Apr-1/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"69.0 -141.0 61.0 -94.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":5, "item":{ "@id":"CCIN12519", "@type":"Dataset", "name":"Moving Vessel Profiling (MVP) data collected by the CCGS Amundsen in the Canadian Arctic", "datePublished": "2015-11-03", "dateModified": "2025-07-15", "description":"The Moving Vessel Profiler (MVP) records temperature, salinity, sound velocity, fluorescence, dissolved oxygen, and transmittance in the water column. Vertical profiles provide information on prevailing physical oceanic conditions during CCGS Amundsen expeditions, aiding in biological, chemical, and physical samplings. They also record parameters for studying physical oceanographic processes in the Canadian Arctic Ocean, including water column structure, water mass characteristics, and oceanic circulation. While data collection extends beyond the Canadian Arctic border, the primary focus is on the Canadian Arctic Ocean.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12519", "keywords": [ "Geographic locations -> Arctic Ocean", "Geographic locations -> Baffin Bay", "Geographic locations -> Beaufort Sea", "Geographic locations -> Canadian Arctic Archipelago", "Geographic locations -> Chukchi Sea", "Geographic locations -> Greenland", "Geographic locations -> Gulf of St. Lawrence", "Geographic locations -> Hudson Bay", "Geographic locations -> Hudson Strait", "Geographic locations -> Labrador", "Geographic locations -> Nares Strait", "Geographic locations -> Northwest Passage", "Natural sciences -> CTD (Conductivity, Temperature, Depth)", "Natural sciences -> Fluorescence", "Natural sciences -> Transmittance", "Natural sciences -> Water column" ], "creator":{ "@type":"Organization", "url":"http://doi.org/10.5884/12519", "name":"ArcticNet", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-418-656-2411", "email":"pdc@arcticnet.ulaval.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2004-Jun-20/2024-Oct-23", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"81.23 -167.49 48.19 -55.86" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":6, "item":{ "@id":"CCIN12684", "@type":"Dataset", "name":"Snow depth and water equivalence 2014-2025, Apex River watershed, Iqaluit, Nunavut", "datePublished": "2016-04-04", "dateModified": "2026-02-04", "description":"Snow accumulation and melt are critical components of arctic landscape hydrology and are also highly sensitive to weather and climate. With the rapid growth of the community of Iqaluit and reliance on a stable freshwater supply, sustained monitoring of the annual snow conditions provides critical information on the annual spring recharge to Iqaluit's primary and secondary community reservoirs (Lake Geraldine and Qiqiktalik Lake.The main purpose for collecting this dataset is to improve quantification of the annual, end-of-winter snow water equivalent in the Apex River watershed near Iqaluit, NU. A secondary purpose is to establish and continuously evolve an efficient, repeatable survey method that can be conducted each spring out of the community of Iqaluit, while providing experiential learning opportunities for Nunavut Arctic College (NAC) Environmental Technology Program (ETP) students. A final purpose is to use the resulting snow survey datasets to develop and test new methods to model the spatial distribution of snow using remote sensing, GIS-based statistical modelling and machine learning (ML) for use in Iqaluit and other Nunavut communities.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12684", "keywords": [ "Geographic locations -> Apex River", "Natural sciences -> Hydrology", "Natural sciences -> Snow", "Natural sciences -> Snow water equivalent (SWE)", "Natural sciences -> Water supply", "Natural sciences -> Watershed", "Northern communities -> Iqaluit" ], "creator":{ "@type":"Person", "name":"Murray Richardson", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-613-520-2600 x2574", "email":"murray.richardson@carleton.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2015-Apr-15/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"63.85 -68.63 63.74 -68.43" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":7, "item":{ "@id":"CCIN12715", "@type":"Dataset", "name":"ThermoSalinoGraph (TSG) data collected by the CCGS Amundsen in the Canadian Arctic", "datePublished": "2016-10-20", "dateModified": "2025-07-15", "description":"Provide core physical oceanographic data for all arctic research teams onboard CCGS Amundsen and other interested scientists. The underway ThermoSalinoGraph (TSG) system records data on surface seawater temperature, salinity, fluorescence and sound velocity along the transit route. These data constitute ancillary data for all other data recorded during the CCGS Amundsen scientific expeditions by providing information on the prevailing physical oceanic conditions in which biological, chemical and physical samplings were conducted. They also provide long-term records of the basic parameters central to the study of physical oceanographic processes, more specifically water column structure, water masses characteristics and oceanic circulation, in the Canadian Arctic Ocean.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12715", "keywords": [ "Geographic locations -> Arctic Ocean", "Natural sciences -> Fluorescence", "Natural sciences -> Salinity", "Natural sciences -> Velocity", "Natural sciences -> Water temperature" ], "creator":{ "@type":"Organization", "url":"http://doi.org/10.5884/12715", "name":"ArcticNet", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-418-656-2411", "email":"pdc@arcticnet.ulaval.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2005-Aug-22/2024-Oct-29", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"81.48 -172.58 46.38 -50.75" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":8, "item":{ "@id":"CCIN12920", "@type":"Dataset", "name":"Exposure to Food Chain Contaminants in Nunavik: Biomonitoring in Adult and Youth Cohorts of the Qanuilirpitaa Survey", "datePublished": "2018-04-16", "dateModified": "2026-04-30", "description":"The purpose is to update data on exposure to food-chain contaminants among Nunavimmiut. This will be achieved in the framework of the Qanuilirpitaa Nunavik Inuit Health Survey, which comprises an adult cohort of adults - 31 years and older - and youths between 16 and 30 years of age (1329 participants). Therefore we will: 1. Measure through biomonitoring Nunavimmiuts exposure to toxic metals [mercury (Hg), lead (Pb), and cadmium (Cd)] and legacy persistent organic pollutants (POPs), new POPS and contaminants of emerging concerns (CECs), as well as other new CECs currently only investigated as part of environmental monitoring programs in the Arctic; 2. Evaluate the nutritional status of Nunavimmiut (omega-3 polyunsaturated fatty acids (PUFAs), total selenium (Se) and selenoneine, hemoglobin and iron status, and manganese (Mn); 3. Account for country and store-bought food consumption of Qanuilirpitaa participants, food security, socio-demographic status, lifestyle habits and anthropometric characteristics in explaining biomonitoring data.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12920", "keywords": [ "Health sciences and contaminants -> Diet", "Health sciences and contaminants -> Heavy metal", "Health sciences and contaminants -> Inuit Health Survey", "Health sciences and contaminants -> Nutrition", "Health sciences and contaminants -> Perfluorinated alkylated substances", "Health sciences and contaminants -> Persistent organic pollutants (POPs)" ], "creator":{ "@type":"Person", "name":"Pierre Ayotte", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(418) 650-5115 ext. 4654", "email":"pierre.ayotte@inspq.qc.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2017-Jun-21/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"55.0 -64.0 55.0 -64.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":9, "item":{ "@id":"CCIN12954", "@type":"Dataset", "name":"Metabolomic, Stable Isotope, and Fatty Acid Data in Polar Bears and Ringed Seals from Hudson Bay and the High Arctic, 2015-2016", "datePublished": "2018-09-07", "dateModified": "2026-02-06", "description":"Objectives:1.Improve the scientific understanding of how natural variation in contaminant exposures are related to differences in metabolomic profiles in polar bears 2.Improve the scientific understanding of how diet affects the metabolomic profiles in polar bears from different subpopulations in the Canadian Arctic.3.Establish whether consistent relationships exist as per (1) and (2), which may help identify potential biomarkers indicating differences in diet or contaminant exposure.4.Improve the usefulness and application of metabolomics to field-based environmental monitoring of contaminant exposure and effects.5.Develop a strategy to communicate metabolomics objectives and results to both Southern and Northern governments and communities.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12954", "keywords": [ "Health sciences and contaminants -> Bioaccumulation", "Health sciences and contaminants -> Brominated diphenyl ethers", "Health sciences and contaminants -> Cumulative effects", "Health sciences and contaminants -> Diet", "Health sciences and contaminants -> Health", "Health sciences and contaminants -> Legacy pesticide", "Health sciences and contaminants -> PCBs", "Health sciences and contaminants -> Perfluorinated alkylated substances" ], "creator":{ "@type":"Person", "name":"Adam Morris", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(289)259-6089", "email":"adam.morris@canada.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2015-Sep-7/2025-Dec-31", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"75.0 -97.0 51.0 -69.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":10, "item":{ "@id":"CCIN13159", "@type":"Dataset", "name":"Zooplankton and ichthyoplankton samples from Lake Melville, Labrador", "datePublished": "2020-02-25", "dateModified": "2026-03-26", "description":"By modifying the seasonal runoff pattern of the Churchill River, in Labrador, the operation of the Muskrat Falls hydroelectric dam could impact estuarine rainbow smelt, trout and salmon downstream. This research project seeks to understand how the operation of the Muskrat Falls dam will modify fish ecology in the 3,000 km2 Lake Melville subarctic estuary. Answering this question is critical to fully understand the impacts of this large-scale hydroelectric project on coastal communities in the region. This dataset provides baseline information for science-based management of fisheries in Lake Melville, where five coastal communities rely heavily on food, social and ceremonial fisheries. Zooplankton sampled with bongo nets provide information on the abundance and composition of prey for early life stages of fish. Ultimately, it will contribute to better predict the effects of future dam developments on fish populations in northern Canada.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13159", "keywords": [ "Geographic locations -> Canada", "Geographic locations -> Lake Melville", "Geographic locations -> Newfoundland", "Natural sciences -> Ichthyoplankton", "Natural sciences -> Larval fishes", "Natural sciences -> Zooplankton" ], "creator":{ "@type":"Person", "name":"Maxime Geoffroy", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(709)-778-0499", "email":"maxime.geoffroy@mi.mun.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2018-Jun-27/2020-Feb-13", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"55.0 -61.0 53.0 -58.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":11, "item":{ "@id":"CCIN13165", "@type":"Dataset", "name":"Active Acoustic data in the Labrador Sea and Canadian Arctic (2017-2025)", "datePublished": "2020-03-23", "dateModified": "2026-01-06", "description":"Climate change has resulted in increased abundances of boreal fish species in the Arctic and altered distributions of indigenous species. Changes in fish composition could result in additional fishing opportunities in the Canadian Arctic. However, while the demersal ecosystem components have received increased attention, the distributions and dynamics of the main pelagic forage fish species (key prey of commercially exploited demersal fish) remain unknown. This project addresses critical knowledge gaps in pelagic ecosystems, which facilitate better forecasting of how ongoing climatic changes will affect fisheries productivity. Acoustic-trawl surveys from the CCGS Amundsen were conducted from 2017 - 2025 to establish baseline knowledge on the occurrence and distribution of Arctic and boreal pelagic fish and zooplankton in Northern Labrador and the Canadian Arctic, and to continue the ArcticNet time-series initiated in 2003. This datasets concerns the hull-mounted acoustic data that were collected from the Amundsen.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13165", "keywords": [ "Geographic locations -> Canada", "Geographic locations -> Canadian Arctic Archipelago", "Geographic locations -> Labrador Sea", "Natural sciences -> Acoustic", "Natural sciences -> Fishes", "Natural sciences -> Zooplankton" ], "creator":{ "@type":"Person", "name":"Maxime Geoffroy", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(709)-778-0499", "email":"maxime.geoffroy@mi.mun.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2017-Jun-22/2025-Oct-30", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.0 -140.0 52.0 -54.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":12, "item":{ "@id":"CCIN13167", "@type":"Dataset", "name":"Fish samples in the Labrador Sea and Canadian Arctic (2017-2025)", "datePublished": "2020-03-26", "dateModified": "2026-01-06", "description":"Climate change has resulted in increased abundances of boreal fish species in the Arctic and altered distributions of indigenous species. Changes in fish composition could result in additional fishing opportunities in the Canadian Arctic. However, while the demersal ecosystem components have received increased attention, the distributions and dynamics of the main pelagic forage fish species (key prey of commercially exploited demersal fish) remain unknown. This project addresses critical knowledge gaps in pelagic ecosystems, which facilitate better forecasting of how ongoing climatic changes will affect fisheries productivity. Acoustic-trawl surveys from the CCGS Amundsen were conducted from 2017 - 2025 to establish baseline knowledge on the occurrence and distribution of Arctic and boreal fish and zooplankton in Northern Labrador and the Canadian Arctic, and to continue the ArcticNet time-series initiated in 2003. This datasets concerns the species collected from both mid-water and bottom trawls deployed from CCGS Amundsen.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13167", "keywords": [ "Geographic locations -> Canada", "Geographic locations -> Canadian Arctic Archipelago", "Geographic locations -> Labrador Sea", "Natural sciences -> Abundance", "Natural sciences -> Biodiversity", "Natural sciences -> Ecology", "Natural sciences -> Fishes" ], "creator":{ "@type":"Person", "name":"Maxime Geoffroy", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(709)-778-0499", "email":"maxime.geoffroy@mi.mun.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2017-Jun-22/2025-Oct-31", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.0 -140.0 52.0 -54.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":13, "item":{ "@id":"CCIN13168", "@type":"Dataset", "name":"Ichthyoplankton and zooplankton samples in the Labrador Sea and Canadian Arctic (2017-2025)", "datePublished": "2020-03-26", "dateModified": "2026-03-26", "description":"Zooplankton herbivorous species play an important role in the channeling of energy and organic matter from the primary producers to higher trophic levels occupied by marine vertebrates. Knowledge of Arctic zooplankton community structure and diversity in different sectors of the Arctic Ocean needs to be gathered in order to start monitoring the evolution of these communities over time. This project describes the zooplankton assemblages and their distribution in the Labrador Sea and Canadian Arctic from 2017 - 2025. Surveys were conducted aboard the CCGS Amundsen to establish baseline knowledge on the occurrence and distribution of Ichthyoplankton and zooplankton, and to continue the ArcticNet time-series initiated in 2003. This datasets concerns the species collected from zooplankton samplers deployed from CCGS Amundsen.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13168", "keywords": [ "Geographic locations -> Canada", "Geographic locations -> Canadian Arctic Archipelago", "Geographic locations -> Labrador Sea", "Natural sciences -> Abundance", "Natural sciences -> Biodiversity", "Natural sciences -> Marine ecology", "Natural sciences -> Zooplankton" ], "creator":{ "@type":"Person", "name":"Maxime Geoffroy", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(709)-778-0499", "email":"maxime.geoffroy@mi.mun.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2017-Jun-23/2025-Oct-30", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.0 -140.0 52.0 -54.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":14, "item":{ "@id":"CCIN13235", "@type":"Dataset", "name":"Ontogenetic profiles of stable isotopes (15N and 13C) in dentine growth layer groups (GLGs) of narwhal embedded teeth", "datePublished": "2021-04-20", "dateModified": "2026-01-16", "description":"Narwhal embedded canines were collected by Inuit during subsistence hunts near Pond Inlet and provided to Fisheries and Oceans Canada through a voluntary collaborative sampling program with the Pond Inlet Hunters and Trappers Association. These harvested narwhals belonged to the Baffin Bay narwhal population, which is monitored by DFO for stock assessment. Stable isotope analysis (SIA) of sequential dentine growth layer groups from narwhal embedded canine teeth can be used to estimate the lifetime diet of individuals and infer major ontogenetic shifts such as the completion of nursing. We used SIA of dentine to investigate ontogenetic dietary patterns, with a focus on nursing duration. We also determined whether nursing duration differed between sexes and between 2 periods during which narwhals may have undergone dietary shifts due to warming. Embedded teeth from both sexes were collected near Pond Inlet, Nunavut, Canada, in 1982 and 1983 (n = 17) and 2015 and 2017 (n = 14). Nursing duration ranged from ~2 to ~6 yr, with 60% of narwhals being nursed beyond the previously published estimate of <2 yr. The proportion of individuals nursed <2 yr versus >2 yr did not differ between sexes or periods. This study not only revealed that narwhals vary extensively in their nursing duration, but also indicated that extended nursing (>2 yr) with gradual introduction of solid food over this period was common. These findings provide insights into narwhal life history strategies, as extended nursing may be another feature of a long-lived, slow-reproducing mammal adapted to unique polar conditions that are threatened by global warming.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13235", "keywords": [ "Natural sciences -> Carbon", "Natural sciences -> Ecology", "Natural sciences -> Narwhals", "Natural sciences -> Nitrogen", "Natural sciences -> Stable isotope analyses", "Natural sciences -> Wildlife" ], "creator":{ "@type":"Person", "name":"Shu-Ting Zhao", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-2048075986", "email":"shuting.zhaost@gmail.com" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1982-Jun-2/2017-Aug-16", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"72.35633 -81.1066 65.421509 -70.965424" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":15, "item":{ "@id":"CCIN13340", "@type":"Dataset", "name":"Iceberg Beacon Track Database", "datePublished": "2023-10-29", "dateModified": "2026-03-16", "description":"The Iceberg Tracking Beacon Database was developed to make iceberg and ice island drift trajectories public so that they can be used for research. The database contains data collected by academic, industry and government research groups. We recognize that these geographically and temporally variable drift tracks are more useful in a cohesive dataset that can be used for larger analyses than the original data providers may have anticipated. We encourage those who have beacon tracks of icebergs to submit them for inclusion into subsequent versions of this database.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13340", "keywords": [ "Geographic locations -> Arctic Ocean", "Natural sciences -> Database", "Natural sciences -> Glaciology", "Natural sciences -> Ice drift", "Natural sciences -> Ice island", "Natural sciences -> Iceberg", "Natural sciences -> Oceanography", "Social sciences, economics and policy -> Marine navigation" ], "creator":{ "@type":"Person", "name":"Derek Mueller", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-613-520-2600, ext 1984", "email":"derek_mueller@carleton.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1997-Aug-16/2024-Sep-7", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.77 -154.364 46.617 -47.767" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":16, "item":{ "@id":"CCIN13370", "@type":"Dataset", "name":"Tissue distribution of microplastics and plastic additives in Porcupine (Yukon) and Qamanirjuaq (Nunavut) caribou", "datePublished": "2024-04-21", "dateModified": "2026-05-11", "description":"The objective of this project is to study the occurrence and tissue distribution of microplastics, benzotriazole UV stabilizers (BZT-UVs; including UV328), organic UV filters, and chlorinated paraffins in the muscle, liver, and kidney of caribou from Yukon (Porcupine herd) and Nunavut (Qamanirjuaq herd), contributing data on plastic additives (including UV stabilizers and chlorinated paraffins) that are present in traditional foods to partners that are interested in understanding human exposure to these contaminants, and contributing data to the current Arctic Councils Arctic Monitoring and Assessment Programs (AMAP) Litter and Microplastic Expert Group (LMEG) relating to the toxicity of plastic related and derived contaminants in the Arctic. Short-term objectives include measuring plastic particles, benzotriazole UV stabilizers (BZT-UVs), a group of plastic additives, and chlorinated paraffins, a group of contaminants associated with plastics, in Porcupine and Qamanirjuaq caribou and establishing a baseline dataset for these emerging contaminants in an Arctic terrestrial food web. This research program will help to elucidate and reduce the exposure risks of Arctic caribou and humans to plastic-associated contaminants. The results will also help to evaluate the role of plastics as a vector of these contaminants in the Arctic food web.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13370", "keywords": [ "Geographic locations -> Nunavut", "Geographic locations -> Yukon", "Natural sciences -> Caribou", "Natural sciences -> Microplastics", "Natural sciences -> Plastics", "Natural sciences -> Porcupine caribou herd", "Natural sciences -> Qamanirjuaq caribou herd" ], "creator":{ "@type":"Person", "name":"Mary Gamberg", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-867-334-3360", "email":"mary.gamberg@gmail.com" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2023-Mar-1/2026-Mar-28", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"67.5696 -139.8288 61.1078 -94.0624" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":17, "item":{ "@id":"CCIN13371", "@type":"Dataset", "name":"Microplastics and plastic additives in Yukon Lake Trout", "datePublished": "2024-04-26", "dateModified": "2026-05-11", "description":"The long-term objective of this project is to establish a monitoring program to understand the temporal and spatial trends of microplastic particles and their plastic associated additives in the Arctic wildlife by implementing standardized microplastic methods to assess ingested plastic pieces in the guts of lake trout, building on a pan-Arctic effort to improve our understanding of plastic in fish species, contributing data on plastic additives (including UV stabilizers and chlorinated paraffins) that are present in traditional foods to partners that are interested in understanding human exposure to these contaminants, and contributing data to the current Arctic Councils Arctic Monitoring and Assessment Programs (AMAP) Litter and Microplastic Expert Group (LMEG) relating to the toxicity of plastic related and derived contaminants in the Arctic. Short-term objectives:measure the ingested plastic particles in Yukon lake trout and establish a baseline dataset for these emerging contaminants in an Arctic freshwater food web; determine if very small plastic particles are present in the muscle tissue of Yukon lake trout and establish a baseline dataset for these emerging contaminants; measure the levels of benzotriazole UV stabilizers (BZT-UVs), a group of plastic additives, in Yukon lake trout and establish a baseline dataset for these emerging contaminants in an Arctic freshwater food web;measure the levels of chlorinated paraffins, a group of contaminants associated with plastics, in Yukon lake trout and establish a baseline dataset for these emerging contaminants in an Arctic freshwater food web; andinvestigate the correlations between the levels of plastic additives, ingested plastics and plastic particles in lake trout muscle, as an indicator of plastic pollution exposure via ingestion.This research program will help to elucidate and reduce the exposure risks of Arctic fish and humans to plastic associated contaminants. The results will also help to evaluate the role of plastics as a vector of these contaminants in the Arctic food web.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13371", "keywords": [ "Geographic locations -> Yukon", "Health sciences and contaminants -> DDT", "Health sciences and contaminants -> Mercury", "Health sciences and contaminants -> PCBs", "Health sciences and contaminants -> Perfluorinated alkylated substances", "Natural sciences -> Fishes", "Natural sciences -> Lake trout" ], "creator":{ "@type":"Person", "name":"Mary Gamberg", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-867-334-3360", "email":"mary.gamberg@gmail.com" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2023-Apr-1/2026-Mar-29", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"61.0585 -136.2588 60.4125 -135.1055" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":18, "item":{ "@id":"CCIN13375", "@type":"Dataset", "name":"Plastics and associated risks in northern-nesting birds sampled in Nunavut and the Northwest Territories (2024 - 2025)", "datePublished": "2024-05-07", "dateModified": "2026-01-06", "description":"Our main objectives are to build community partnerships and to implement a research program that provides insights about plastics (additives and particles) in Arctic biota. Specifically, we aim to evaluate levels of additives in the eggs and muscles of migratory birds and to determine whether ultrafine plastic particles (<10 m diameter) are present in the consumed tissues of harvested species.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13375", "keywords": [ "Geographic locations -> Northwest Territories", "Geographic locations -> Nunavut", "Natural sciences -> Birds", "Natural sciences -> Breeding", "Natural sciences -> Geese", "Natural sciences -> Microplastics", "Natural sciences -> Plastics" ], "creator":{ "@type":"Person", "name":"Kirsty Gurney", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-306-491-1973", "email":"kirsty.gurney@ec.gc.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2024-May-20/2025-May-25", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"70.0 -130.0 60.0 -100.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":19, "item":{ "@id":"CCIN13376", "@type":"Dataset", "name":"PDC test entry Aug 8 2024 - retest in jan 2025 to investigate a user error. retest jul 8 2025", "datePublished": "2024-08-08", "dateModified": "2025-07-08", "description":"test entry for the user input menufurther test of update function 14 augservice unavailable error on a users record so testing this Jan 2025new release test", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13376", "keywords": [ "Geographic locations -> Alaska", "Geographic locations -> Canada", "Geographic locations -> Europe", "Geographic locations -> Finland", "Geographic locations -> Ontario" ], "creator":{ "@type":"Person", "name":"Viv Maclean", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-2899933666", "email":"vjmaclean@uwaterloo.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2024-Aug-8/2024-Aug-8", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"43.4797222 -80.5411111 43.4797222 -80.5411111" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":20, "item":{ "@id":"CCIN13380", "@type":"Dataset", "name":"Discharge of Niaqunguk and tributary streams near Iqaluit, NU, 2023 and 2024", "datePublished": "2024-10-09", "dateModified": "2026-02-03", "description":"Discharge measurments were taken to better understand changing seasonal patterns as well as aid in quantifying the export of important biogeochemical species (ion, anion, water stable isotopes, DOM/DOC/TDN, meatals) in the Niaqunguk River watershed.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=13380", "keywords": [ "Natural sciences -> Freshwater flows", "Natural sciences -> Hydrology", "Natural sciences -> Permafrost", "Natural sciences -> River", "Northern communities -> Iqaluit" ], "creator":{ "@type":"Person", "name":"Melissa Lafreniere", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(613) 533-6000 x78720", "email":"melissa.lafreniere@queensu.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2023-Jun-10/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"63.79 -68.47 63.77 -68.4" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } } ] }