Accumulation of trace elements in harp seals (Phoca groenlandica) from Pangnirtung in the Baffin Island,Canada |
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| Institution: | 1. Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover, 25761 Büsum, Germany;2. University of Gothenburg, Department of Biological and Environmental Sciences, Box 463, SE-405 30 Gothenburg, Sweden;3. Swedish Museum of Natural History, Department of Environmental Research and Monitoring, P.O. Box 50007, 104 05 Stockholm, Sweden;4. Aarhus University, Department of Bioscience, Frederiksborgvej 399, P.O. Box 358, 4000 Roskilde, Denmark;1. Wise Laboratory of Environmental and Genetic Toxicology, University of Southern Maine, P.O. Box 9300, 96 Falmouth St., Portland, ME 04104, USA;2. Maine Center for Toxicology and Environmental Health, University of Southern Maine, P.O. Box 9300, 96 Falmouth St., Portland, ME 04104, USA;3. Department of Applied Medical Sciences, University of Southern Maine, 178 Science Building, Portland, ME 04104, USA;4. Center for Environmental Sciences and Engineering, University of Connecticut, 3107 Horsebarn Hill Road; U-4210, Storrs, CT 06269, USA;5. Yale School of Public Health, P.O. Box 208034, 60 College Street, New Haven, CT 06520, USA;1. Israel Oceanography and Limnological Research, National Institute of Oceanography, Tel-Shikmona, P.O. Box 8030, Haifa 31080, Israel;2. Israel Marine Mammal Research and Assistance Center, The Leon Recanati Institute for Maritime Studies and Department for Maritime Civilizations, The University of Haifa, Mt. Carmel, Haifa 31905, Israel;3. Department of Pathology, The Hebrew University Hadassah Medical School, Jerusalem 91120, Israel;4. Geological Survey of Israel, 30 Malkhe Israel St., Jerusalem 95501, Israel;1. Unit of Histology and Pathology, Institute of Animal Health (IUSA), Veterinary School, University of Las Palmas de Gran Canaria, 35413 Arucas, Las Palmas, Spain;2. Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain;3. Department of Veterinary Medical Sciences, University of Bologna, Research Group on Large Pelagic Vertebrates, Viale Vespucci 2, 47042 Cesenatico, FC, Italy;4. Loro Parque Foundation, Camino Burgado, 38400 Puerto de la Cruz (Tenerife), Santa Cruz de Tenerife, Spain;1. Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA;2. Wildlife Toxicology Laboratory, Department of Veterinary Medicine, University of Alaska Fairbanks, AK, USA;3. U. S. Geological Survey, Fort Collins Science Center, Denver, CO 80225, USA;4. Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA;5. A. Watson Armour III Center for Animal Health and Welfare, John G. Shedd Aquarium, Chicago, IL, USA;6. The Marine Mammal Center, Sausalito, CA, USA;7. The Native Village of Kotzebue, Kotzebue, AK, USA |
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| Abstract: | Nineteen trace elements were determined in liver, muscle, kidney, gonads, and hair of 18 harp seals (Phoca groenlandica) from Pangnirtung in the Baffin Island, Canada. Concentrations of V, Mn, Fe, Cu, Mo, Ag, and Hg in the liver, Co, Cd, and Tl in the kidney, and Ba and Pb in the hair were significantly higher than those in other tissues. Significant positive correlations between Hg concentrations in the hair, and liver, kidney and testis imply usefulness of the hair sample for non-destructive monitoring of Hg in the harp seals. It is suggested that whereas Hg preferentially accumulates in the liver, the accumulation in other tissues is induced at higher hepatic Hg levels. In contrast, Se may not be accumulated in other tissues compared with the liver even at higher hepatic Hg levels because of the presence of excess Se for Hg detoxification in other tissues |
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