TitleAbstractYear(sorted ascending)
population structure and gene flow of the atlantic walrus (odobenus rosmarus rosmarus) in the eastern atlantic arctic based on mitochondrial dna and microsatellite variation.the population structure of the atlantic walrus, odobenus rosmarus rosmarus, was studied using 11 polymorphic microsatellites and restriction fragment length polymorphism detected in the nadh-dehydrogenase nd1, nd2 and nd3/4 segments in mtdna. a total of 105 walrus samples were analysed from northwest (nw) greenland, east (e) greenland, svalbard and franz joseph land. two of the 10 haplotypes detected in the four samples were diagnostic for the nw greenland sample, which implied that the group o ...19989787444
serosurvey for toxoplasma gondii in arctic foxes and possible sources of infection in the high arctic of svalbard.samples (blood or tissue fluid) from 594 arctic foxes (alopex lagopus), 390 svalbard reindeer (rangifer tarandus platyrhynchus), 361 sibling voles (microtus rossiaemeridionalis), 17 walruses (odobenus rosmarus), 149 barnacle geese (branta leucopsis), 58 kittiwakes (rissa tridactyla), and 27 glaucous gulls (larus hyperboreus) from svalbard and nearby waters were assayed for antibodies against toxoplasma gondii using a direct agglutination test. the proportion of seropositive animals was 43% in ar ...200717950534
serum chemistry reference values in free-ranging north atlantic male walruses (odobenus rosmarus rosmarus) from the svalbard archipelago.information regarding health and disease is limited for walruses, a keystone species in arctic marine ecosystems. serum chemistry analysis is a useful clinical tool for the health assessment of walruses, but only a few captive pacific walruses have been evaluated.200919473331
genetic diversity of historical atlantic walruses (odobenus rosmarus rosmarus) from bjørnøya and håøya (tusenøyane), svalbard, norway.the population size of atlantic walruses (odobenus rosmarus rosmarus) is depleted relative to historical abundance levels. in svalbard, centuries of over-exploitation brought the walrus herds to the verge of extinction, and such bottlenecks may have caused loss of genetic variation. to address this for svalbard walruses, mitochondrial haplotypes of historical walruses from two major haul-out sites, bjørnøya and håøya, within the archipelago were explored using bone samples from animals killed du ...201626892244
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