List of relevant publications authored by project participants

Link to publication list with abstracts

Link to pdf-file of abstracted publications

Andersen M, Lie E, Derocher AE, Belikov SE, Bernhoft A, Boltunov AN, Garner GW, Skaare JU, Wiig O, 2001. Geographic variation of PCB congeners in polar bears (Ursus maritimus) from Svalbard east to the Chukchi Sea. Polar Biology 24:231-238.

Bernhoft A, Skaare JU, Wiig O, Derocher AE, Larsen HJS, 2000. Possible immunotoxic effects of organochlorines in polar bears (Ursus maritimus) at Svalbard. Journal of Toxicology and Environmental Health-Part A 59:561-574.

Bernhoft A, Wiig O, Skaare JU, 1997. Organochlorines in polar bears (Ursus maritimus) at Svalbard. Environmental Pollution 95:159-175.

Born EW, Wiig O, Thomassen J, 1997. Seasonal and annual movements of radio-collared polar bears (Ursus maritimus) in northeast Greenland. Journal of Marine Systems 10:67-77.

Braathen M, Derocher AE, Wiig O, Sormo EG, Lie E, Skaare JU, Jenssen BM, 2004. Relationships between PCBs and thyroid hormones and retinol in female and male polar bears. Environmental Health Perspectives 112:826-833.

Derocher AE, Andersen M, Wiig O, 2005. Sexual dimorphism of polar bears. Journal of Mammalogy 86:895-901.

Derocher AE, Wiig O, 2002. Postnatal growth in body length and mass of polar bears (Ursus maritimus) at Svalbard. Journal of Zoology 256:343-349.

Derocher AE, Wiig O, Andersen M, 2002. Diet composition of polar bears in Svalbard and the western Barents Sea. Polar Biology 25:448-452.

Derocher AE, Wiig O, Bangjord G, 2000. Predation of Svalbard reindeer by polar bears. Polar Biology 23:675-678.

Derocher AE, Wolkers H, Colborn T, Schlabach M, Larsen TS, Wiig O, 2003. Contaminants in Svalbard polar bear samples archived since 1967 and possible population level effects. Science of the Total Environment 301:163-174.

Dietz R, Riget F, Born EW, Sonne C, Grandjean P, Kirkegaard M, Olsen MT, Asmund G, Renzoni A, Baagoe H, Andreasen C, 2006. Trends in mercury in hair of greenlandic polar bears (Ursus maritimus) during 1892-2001. Environmental Science & Technology 40:1120-1125.

Dietz R, Riget FF, Sonne C, Letcher R, Born EW, Muir DCG, 2004. Seasonal and temporal trends in polychlorinated biphenyls and organochlorine pesticides in East Greenland polar bears (Ursus maritimus), 1990-2001. Science of the Total Environment 331:107-124.

Foreid S, Rundberget T, Severinsen T, Wiig O, Skaare JU, 2000. Determination of toxaphenes in fish and marine mammals. Chemosphere 41:521-528.

Grahl-Nielsen O, Andersen M, Derocher AE, Lydersen C, Wiig O, Kovacs KM, 2003. Fatty acid composition of the adipose tissue of polar bears and of their prey: ringed seals, bearded seals and harp seals. Marine Ecology-Progress Series 265:275-282.

Heier A, Sonne C, Grone A, Leifsson PS, Dietz R, Born EW, Bacciarini LN, 2005. An immunohistochemical study of retinol-binding protein (RBP) in livers of free-living polar bears (Ursus maritimus) from East Greenland. Journal of Zoo and Wildlife Medicine 36:440-446.

Henriksen EO, Wiig O, Skaare JU, Gabrielsen GW, Derocher AE, 2001. Monitoring PCBs in polar bears: lessons learned from Svalbard. Journal of Environmental Monitoring 3:493-498.

Haave M, Ropstad E, Derocher AE, Lie E, Dahl E, Wiig O, Skaare JU, Jenssen BM, 2003. Polychlorinated biphenyls and reproductive hormones in female polar bears at Svalbard. Environmental Health Perspectives 111:431-436.

Kirkegaard B, Sonne C, Leifsson PS, Dietz R, Born EW, Muir DCG, Letcher RJ, 2005. Histology of selected immunological organs in polar bear (Ursus maritimus) from East Greenland in relation to concentrations of organohalogen contaminants. Science of the Total Environment 341:119-132.

Lie E, Bernhoft A, Riget F, Belikov SE, Boltunov AN, Derocher AE, Garner GW, Wiig O, Skaare JU, 2003. Geographical distribution of organochlorine pesticides (OCPs) in polar bears (Ursus maritimus) in the Norwegian and Russian Arctic. Science of the Total Environment 306:159-170.

Lie E, Larsen HJS, Larsen S, Johansen GM, Derocher AE, Lunn NJ, Norstrom RJ, Wiig O, Skaare JU, 2005. Does high organochlorine (OC) exposure impair the resistance to infection in polar bears (Ursus maritimus)? Part II: Possible effect of OCs on mitogen- and antigen-induced lymphocyte proliferation. Journal of Toxicology and Environmental Health-Part a-Current Issues 68:457-484.

Lie E, Larsen HJS, Larsen S, Johnsen GM, Derocher AE, Lunn NJ, Norstrom RJ, Wiig O, Skaare JU, 2004. Does high organochlorine (OC) exposure impair the resistance to infection in polar bears (Ursus maritimus)? part 1: effect of OCs on the humoral immunity. Journal of Toxicology and Environmental Health-Part a-Current Issues 67:555-582.

Mauritzen M, Belikov SE, Boltunov AN, Derocher AE, Hansen E, Ims RA, Wiig O, Yoccoz N, 2003. Functional responses in polar bear habitat selection. Oikos 100:112-124.

Mauritzen M, Derocher AE, Pavlova O, Wiig O, 2003. Female polar bears, Ursus maritimus, on the Barents Sea drift ice: walking the treadmill. Animal Behaviour 66:107-113.

Mauritzen M, Derocher AE, Wiig O, 2001. Space-use strategies of female polar bears in a dynamic sea ice habitat. Canadian Journal of Zoology-Revue Canadienne De Zoologie 79:1704-1713.

Mauritzen M, Derocher AE, Wiig O, Belikov SE, Boltunov AN, Hansen E, Garner GW, 2002. Using satellite telemetry to define spatial population structure in polar bears in the Norwegian and western Russian Arctic. Journal of Applied Ecology 39:79-90.

Muir DCG, Backus S, Derocher AE, Dietz R, Evans TJ, Gabrielsen GW, Nagy J, Norstrom RJ, Sonne C, Stirling I, Taylor MK, Letcher RJ, 2006. Brominated flame retardants in polar bears (Ursus maritimus) from Alaska, the Canadian Arctic, East Greenland, and Svalbard. Environmental Science & Technology 40:449-455.

Norheim G, Skaare JU, Wiig O, 1992. Some Heavy-Metals, Essential Elements, and Chlorinated Hydrocarbons in Polar Bear (Ursus-Maritimus) at Svalbard. Environmental Pollution 77:51-57.

Norstrom RJ, Belikov SE, Born EW, Garner GW, Malone B, Olpinski S, Ramsay MA, Schliebe S, Stirling I, Stishov MS, Taylor MK, Wiig O, 1998. Chlorinated hydrocarbon contaminants in polar bears from eastern Russia, North America, Greenland, and Svalbard: Biomonitoring of Arctic pollution. Archives of Environmental Contamination and Toxicology 35:354-367.

Olsen GH, Mauritzen M, Derocher AE, Sormo EG, Skaare JU, Wiig O, Jenssen BM, 2003. Space-use strategy is an important determinant of PCB concentrations in female polar bears in the barents sea. Environmental Science & Technology 37:4919-4924.

Oskam IC, Ropstad E, Dahl E, Lie E, Derocher AE, Wiig O, Larsen S, Wiger R, Skaare JU, 2003. Organochlorines affect the major androgenic hormone, testosterone, in male polar bears (Ursus maritimus) at Svalbard. Journal of Toxicology and Environmental Health-Part A 66:2119-2139.

Oskam IC, Ropstad E, Lie E, Derocher AE, Wiig O, Dahl E, Larsen S, Skaare JU, 2004. Organochlorines affect the steroid hormone cortisol in free-ranging polar bears (Ursus maritimus) at Svalbard, Norway. Journal of Toxicology and Environmental Health-Part a-Current Issues 67:959-977.

Skaare JU, Bernhoft A, Derocher A, Gabrielsen GW, Goksoyr A, Henriksen E, Larsen HJ, Lie E, Wiig O, 2000. Organochlorines in top predators at Svalbard - occurrence, levels and effects. Toxicology Letters 112:103-109.

Skaare JU, Bernhoft A, Wiig O, Norum KR, Haug E, Eide DM, Derocher AE, 2001. Relationships between plasma levels of organochlorines, retinol and thyroid hormones from polar bears (Ursus maritimus) at Svalbard. Journal of Toxicology and Environmental Health-Part A 62:227-241.

Skaare JU, Larsen HJ, Lie E, Bernhoft A, Derocher AE, Norstrom R, Ropstad E, Lunn NF, Wiig O, 2002. Ecological risk assessment of persistent organic pollutants in the arctic. Toxicology 181:193-197.

Smithwick M, Mabury SA, Solomon KR, Sonne C, Martin JW, Born EW, Dietz R, Derocher AE, Letcher RJ, Evans TJ, Gabrielsen GW, Nagy J, Stirling I, Taylor MK, Muir DCG, 2005. Circumpolar study of perfluoroalkyl contaminants in polar bears (Ursus maritimus). Environmental Science & Technology 39:5517-5523.

Smithwick M, Muir DCG, Mabury SA, Solomon KR, Martin JW, Sonne C, Born EW, Letcher RJ, Dietz R, 2005. Perflouroalkyl contaminants in liver tissue from East Greenland polar bears (Ursus maritimus). Environmental Toxicology and Chemistry 24:981-986.

Sonne C, Dietz R, Born EW, Riget FF, Kirkegaard M, Hyldstrup L, Letcher RJ, Muir DCG, 2004. Is bone mineral composition disrupted by organochlorines in East Greenland polar bears (Ursus maritimus)? Environmental Health Perspectives 112:1711-1716.

Sonne C, Dietz R, Leifsson PS, Born EW, Kirkegaard M, Letcher RJ, Muir DCG, Riget FF, Hyldstrup L, 2006. Are organohalogen contaminants a cofactor in the development of renal lesions in East Greenland polar bears (Ursus maritimus)? Environmental Toxicology and Chemistry 25:1551-1557.

Sonne C, Dietz R, Leifsson PS, Born EW, Letcher RJ, Kirkegaard M, Muir DCG, Riget FF, Hyldstrup L, 2005. Do organohalogen contaminants contribute to histopathology in liver from east Greenland polar bears (Ursus maritimus)? Environmental Health Perspectives 113:1569-1574.

Sonne C, Leifsson PS, Dietz R, Born EW, Letcher RJ, Hyldstrup L, Riget FF, Kirkegaard M, Muir DCG, 2006. Xenoendocrine pollutants may reduce size of sexual organs in East Greenland polar bears (Ursus maritimus). Environmental Science & Technology 40:5668-5674.

Sonne C, Leifsson PS, Dietz R, Born EW, Letcher RJ, Kirkegaard M, Muir DCG, Andersen LW, Riget FF, Hyldstrup L, 2005. Enlarged clitoris in wild polar bears (Ursus maritimus) can be misdiagnosed as pseudohermaphroditism. Science of the Total Environment 337:45-58.

Sonne C, Riget FF, Dietz R, Kirkegaard M, Born EW, Letcher R, Muir DCG, 2005. Trends in fluctuating asymmetry in East Greenland polar bears (Ursus maritimus) from 1892 to 2002 in relation to organohalogen pollution. Science of the Total Environment 341:81-96.

Sormo EG, Salmer MP, Jenssen BM, Hop H, Baek K, Kovacs KM, Lydersen C, Falk-Petersen S, Gabrielsen GW, Lie E, Skaare JU, 2006. Biomagnification of polybrominated diphenyl ether and hexabromocyclododecane flame retardants in the polar bear food chain in Svalbard, Norway. Environmental Toxicology and Chemistry 25:2502-2511.

Tryland M, Brun E, Derocher AE, Arnemo JM, Kierulf P, Olberg RA, Wiig O, 2002. Plasma biochemical values from apparently healthy free-ranging polar bears from Svalbard. Journal of Wildlife Diseases 38:566-575.

Tryland M, Derocher AE, Wiig O, Godfroid J, 2001. Brucella sp antibodies in polar bears from Svalbard and the Barents Sea. Journal of Wildlife Diseases 37:523-531.

Urashima T, Nagata H, Nakamura T, Arai I, Saito T, Imazu K, Hayashi T, Derocher AE, Wiig O, 2003. Differences in oligosaccharide pattern of a sample of polar bear colostrum and mid-lactation milk. Comparative Biochemistry and Physiology B-Biochemistry & Molecular Biology 136:887-896.

Verreault J, Muir DCG, Norstrom RJ, Stirling I, Fisk AT, Gabrielsen GW, Derocher AE, Evans TJ, Dietz R, Sonne C, Sandala GM, Gebbink W, Riget FF, Born EW, Taylor MK, Nagy J, Letcher RJ, 2005. Chlorinated hydrocarbon contaminants and metabolites in polar bears (Ursus maritimus) from Alaska, Canada, East Greenland, and Svalbard: 1996-2002. Science of the Total Environment 351:369-390.

Wiig O, 1995. Distribution of polar bears (Ursus maritimus) in the Svalbard area. Journal of Zoology 237:515-529.

Wiig O, Born EW, Pedersen LT, 2003. Movements of female polar bears (Ursus maritimus) in the East Greenland pack ice. Polar Biology 26:509-516.

Wiig O, Derocher AE, 2001. Body composition of three polar bear (Ursus maritimus) cubs found dead at Svalbard. Polar Biology 24:383-385.

Wiig O, Derocher AE, Cronin NM, Skaare JU, 1998. Female pseudohermaphrodite polar bears at Svalbard. Journal of Wildlife Diseases 34:792-796.

Wiig O, Renzoni A, Gjertz I, 1999. Levels of cadmium and mercury in the hair of Atlantic walruses (Odobenus rosmarus rosmarus) from Svalbard, Norway. Polar Biology 21:343-346.