Search Results - "Wiig, O"

Extreme diversity in the songs of Spitsbergen's bowhead whales by Stafford, K. M., Lydersen, C., Wiig, Ø., Kovacs, K. M.

“…Almost all mammals communicate using sound, but few species produce complex songs. Two baleen whales sing complex songs that change annually, though only the…”
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Sea ice and polar bear den ecology at Hopen Island, Svalbard by Derocher, A. E., Andersen, M., Wiig, Ø., Aars, J., Hansen, E., Biuw, M.

“…The maternity denning of polar bearsUrsus maritimuswas studied at Hopen Island, Svalbard, Norway, using information collected by direct observation and…”
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The outcome and prognostic factors in children with bilateral Perthes' disease: a prospective study of 40 children with follow-up over five years by Wiig, O, Huhnstock, S, Terjesen, T, Pripp, A H, Svenningsen, S

“…The aims of this study were to describe the course of non-operatively managed, bilateral Perthes' disease, and to determine specific prognostic factors for the…”
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Prevalence of Antibodies Against Toxoplasma gondii in Polar Bears (Ursus maritimus) From Svalbard and East Greenland by Oksanen, A, Åsbakk, K, Prestrud, K. W, Aars, J, Derocher, A. E, Tryland, M, Wiig, Ø, Dubey, J. P, Sonne, C, Dietz, R, Andersen, M, Born, E. W

“…Serum samples from 419 polar bears (Ursus maritimus) from Svalbard and the Barents Sea (collected 1990–2000) and 108 polar bears from East Greenland (collected…”
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Estimating the Barents Sea polar bear subpopulation size by Aars, J., Marques, T. A., Buckland, S. T., Andersen, M., Belikov, S., Boltunov, A., Wiig, Ø.

“…A large‐scale survey was conducted in August 2004 to estimate the size of the Barents Sea polar bear subpopulation. We combined helicopter line transect…”
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The acetabulum in Perthes’ disease: A prospective study of 123 children by Huhnstock, S., Svenningsen, S., Pripp, A. H., Terjesen, T., Wiig, O.

“…Purpose We assessed the radiographic changes of the acetabulum during the course of Perthes’ disease and investigated whether they were associated with femoral…”
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Two centuries of the Scandinavian wolf population: patterns of genetic variability and migration during an era of dramatic decline by Flagstad, Ø., Walker, C. W., Vilà, C., Sundqvist, A.-K., Fernholm, B., Hufthammer, A. K., Wiig, Ø., Koyola, I., Ellegren, H.

“…The grey wolf (Canis lupus) was numerous on the Scandinavian peninsula in the early 19th century. However, as a result of intense persecution, the population…”
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Genetic structure of the world's polar bear populations by Paetkau, D., Amstrup, S. C., Born, E. W., Calvert, W., Derocher, A. E., Garner, G. W., Messier, F., Stirling, I., Taylor, M. K., Wiig, Ø., Strobeck, C.

“…We studied genetic structure in polar bear (Ursus maritimus) populations by typing a sample of 473 individuals spanning the species distribution at 16 highly…”
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Prognostic factors and outcome of treatment in Perthes' disease : A PROSPECTIVE STUDY OF 368 PATIENTS WITH FIVE-YEAR FOLLOW-UP by WIIG, O, TERJESEN, T, SVENNINGSEN, S

“…This nationwide prospective study was designed to determine prognostic factors and evaluate the outcome of different treatments of Perthes' disease. A total of…”
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Geographical distribution of organochlorine pesticides (OCPs) in polar bears ( Ursus maritimus) in the Norwegian and Russian Arctic by Lie, E., Bernhoft, A., Riget, F., Belikov, S.E., Boltunov, A.N., Derocher, A.E., Garner, G.W., Wiig, Ø., Skaare, J.U.

“…Geographical variation of organochlorine pesticides (OCPs) was studied in blood samples from 90 adult female polar bear ( Ursus maritimus) from Svalbard, Franz…”
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Inter-observer reliability of radiographic classifications and measurements in the assessment of Perthes' disease by Wiig, Ola, Terjesen, Terje, Svenningsen, Svein

“…We evaluated the inter-observer agreement of radiographic methods when evaluating patients with Perthes' disease. The radiographs were assessed at the time of…”
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Fatty acid composition of the adipose tissue of polar bears and of their prey: ringed seals, bearded seals and harp seals by Grahl-Nielsen, Otto, Andersen, Magnus, Derocher, Andrew E., Lydersen, Christian, Wiig, Øystein, Kovacs, Kit M.

“…Polar bearsUrsus maritimusare predators of phocid seals, but they also forage opportunistically on a variety of other species. In the Barents Sea—Svalbard…”
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Geographic variation of PCB congeners in polar bears (Ursus maritimus) from Svalbard east to the Chukchi Sea by Andersen, M., Lie, E., Derocher, A.E., Belikov, S.E., Bernhoft, A., Boltunov, A.N., Garner, G.W., Skaare, J.U., Wiig, Ø.

“…We present data on geographic variation in polychlorinated biphenyl (PCB) congeners in adult female polar bears (Ursus maritimus) from Svalbard eastward to the…”
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Families in space: relatedness in the Barents Sea population of polar bears (Ursus maritimus) by ZEYL, E., AARS, J., EHRICH, D., WIIG, Ø.

“…The kin structure and dispersal pattern of polar bears (Ursus maritimus) of the Barents Sea was investigated during the spring mating season using two…”
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Reply to Comment on Grahl-Nielsen et al. (2003): sampling, data treatment and predictions in investigations on fatty acids in marine mammals by Grahl-Nielsen, Otto, Andersen, Magnus, Derocher, Andrew E., Lydersen, Christian, Wiig, Øystein, Kovacs, Kit M.

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Genetic variation in Holocene bowhead whales from Svalbard by BORGE, T, BACHMANN, L, BJØRNSTAD, G, WIIG, Ø

“…Bowhead whales (Balaena mysticetus) are distributed in the Arctic in five putative stocks. All stocks have been heavily depleted due to centuries of…”
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From Greenland to Canada in Ten Days: Tracks of Bowhead Whales, Balaena mysticetus, across Baffin Bay by Heide-Jørgensen, M. P., Laidre, K. L., Wiig, Ø., Jensen, M. V., Dueck, L., Maiers, L. D., Schmidt, H. C., Hobbs, R. C.

“…Five bowhead whales (Balaena mysticetus) were instrumented with satellite transmitters in northwestern Disko Bay, West Greenland, in May 2001. Best results…”
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Infanticide and Cannibalism of Juvenile Polar Bears (Ursus maritimus) in Svalbard by Derocher, A. E., Wiig, Ø.

“…Two instances of infanticide and cannibalism in polar bears (Ursus maritimus) were observed in SE Svalbard, at Hopen Island. In the first, an adult male killed…”
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Demographic response of a high-Arctic polar bear (Ursus maritimus) subpopulation to changes in sea ice and subsistence harvest by Laidre, KL, Arnold, TW, Regehr, EV, Atkinson, SN, Born, EW, Wiig, Ø, Lunn, NJ, Dyck, M, Stern, HL, Stapleton, S, Cohen, B, Paetkau, D

“…Climate change is a long-term threat to polar bears. However, sea-ice loss is hypothesized to provide transient benefits in high latitudes, where thick…”
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A novel mark-recapture-recovery survey using genetic sampling for polar bears Ursus maritimus in Baffin Bay by Atkinson, SN, Laidre, KL, Arnold, TW, Stapleton, S, Regehr, EV, Born, EW, Wiig, Ø, Dyck, M, Lunn, NJ, Stern, HL, Paetkau, D

“…Changes in sea-ice dynamics are affecting polar bears Ursus maritimus across their circumpolar range, which highlights the importance of periodic demographic…”
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