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The project is meant to cover specific parts of AMAP phase II in the Faroe Islands. The project includes species from the marine and freshwater environment as well as biota from the terrestrial subprogram. The species chosen for the project are to be analysed for the environmental toxins that were termed essential in the guidelines of the circumpolar programme, but minor adjustments may occur. The selection of species to be analysed have been made so as so to elucidate the burden of contaminants in the local and often also traditional food, and at the same time it has been important to ensure comparability between countries in the AMAP area. The biota chosen are pilot whale, black guillemot, hare, sheep and lamb, arctic char and sculpin. In addition to this core program where the above-mentioned are analysed for the limited set of pollutants, certain special tasks have been planned. Examples on such special tasks are the analysis of mercury in sediment core profiles and investigation of the dioxin and POP burden in cows milk.
Objectives: 1. Locate and assemble scientific data from the U.S. Arctic on the concentrations and effects of POPs in all compartments (e.g., marine and terrestrial biota, abiotic substrates) of the Arctic. 2. Evaluate, analyze and summarize these scientific data from the U.S. Arctic into text suitable for inclusion in a new (second) AMAP publication on POPs. 3. Disseminate the summarized information via a U.S. AMAP Internet page that is directly linked to the current International AMAP Internet page. Summary (Abstract): The Arctic Monitoring and Assessment Programme (AMAP) was established in 1991 and given the responsibility of monitoring the concentrations and assessing the effects of selected anthropogenic pollutants in all compartments of the Arctic. The first AMAP assessment report, published in 1998, points out gaps in our current understanding of contaminant inputs, their transport processes and food web interactions. In addition, the AMAP report noted a serious lack of information about persistent organic pollutants (POPs) in the U.S. and Russian Arctic. Thus, the recommendations of the first AMAP report were to: monitor spatial distribution, contaminant levels and biological effects of POPs; improve the understanding of the adverse effects of POPs on human populations; and fill existing data gaps, specifically in the U.S. and Russia. In this work, we plan to identify sources of scientific information (e.g., published reports, datasets) on POPs in the U.S. Arctic and obtain these data for AMAP. Once data sources are identified, a small group of scientific experts will be assembled for a workshop to determine if any pertinent sources have been overlooked and to give advice on how best to evaluate, analyze, summarize and disseminate the information obtained. A working database will be designed so that the data and scientifically important findings or conclusions from each study can be organized and evaluated. Data will be analyzed statistically, as appropriate, to determine spatial and temporal trends. The data and scientific findings that have been collected and analyzed will then be summarized into text, for inclusion in the next AMAP publication on POPs. This major effort of synthesizing the existing data from the U.S. Arctic will ensure that the AMAP report adequately presents the accomplishments of U.S. scientists and research programs. The written publication and the summarized U.S. POPs data will also be presented as a U.S. AMAP Internet page linked to the International AMAP Internet page.
Caribou (Rangifer tarandus) were sampled (1995-96) from a mortality event near the Project Chariot site (NW Alaska), the location of a radiotracer experiment in the 1960’s, and reference sites. Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined due to concerns of local residents. Bone gross alpha mean activity (n = 65) was 130.0 Bq/kg, and varied significantly (< 0.01) from 73.3 to 168.0 Bq/kg among locations. Bone and muscle gross beta mean activity was 510.4 and 9.78 Bq/kg. Bone strontium-90 mean activity (n = 58) was 137.8 Bq/kg. Muscle potassium-40 mean activity (n = 65) was 183.0 Bq/kg, and significantly varied from 76.0 to 104.4 Bq/kg by location. Muscle cesium-137 mean activity (n = 65) was 6.67 Bq/kg, ranged significantly from 0.74 to 15.6 Bq/kg by location, and increased with increasing body condition score. Bone potassium-40 mean activity ranged from 18.9 to 47.4 Bq/kg, and muscle strontium-90 ranged from 8.89 to 20.0 Bq/kg. Radionuclide concentrations were at expected levels and low in some cases as compared to Canadian caribou studies.