Ian Gjertz

Biographic Data

ID5592153
NAMEIan Gjertz
GIVEN NAMESIan
FAMILY NAMEGjertz
SIGNATUREGJERTZ I
AFFILIATIONSNorwegian Polar Institute
VERIFIEDNo
TOTAL WORKS9
TOTAL CITATIONS3
AUTHOR COUNT9
EDITOR COUNT0
FIRST PUBLICATION YEAR1989
LATEST PUBLICATION YEAR1999
H-INDEX1

  • Prey of Antarctic fur seals at Bouvetøya, Southern Ocean

    Open AccessNorbert T W Klages, G J Greg Hofmeyr et al.ARTICLEPolar Record1999References: 14

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  • Norwegian Arctic Expansionism, Victoria Island (Russia) and the Bratvaag Expedition

    Open AccessIan Gjertz, Berit MørkvedARTICLEARCTIC1998

    Victoria Island (Ostrov Viktoriya in Russian) is the westernmost island of the Russian Arctic. The legal status of this island and neighbouring Franz Josef Land was unclear in 1929 and 1930. At that time Norwegian interests attempted, through a secret campaign to annex Victoria Island and gain a foothold on parts of Franz Josef Land. We describe the events leading up to the Norwegian annexation, which was later abandoned for political reasons

  • Human casualties and polar bears killed in Svalbard, 1993–1997

    Open AccessIan Gjertz, Jon Ove ScheieARTICLEPolar Record1998References: 3

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  • Past and Present Distribution of Walruses in Svalbard

    Open AccessIan Gjertz, Øystein WiigARTICLEARCTIC1994

    Walruses were once very abundant in the Svalbard archipelago. However three and a half centuries of commercial exploitation had caused the walrus to be on the verge of extinction in this region when it finally was totally protected in 1952. Since the mid-1980s walruses have again been commonly seen in parts of Svalbard. Based on information from literature, interviews and field observations, we attempt to identify in which areas of Svalbard, both…

  • A link between walruses ( Odobenus rosmarus ) in northeast Greenland and Svalbard

    Open AccessErik W Born, Ian GjertzARTICLEPolar Record1993References: 2

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  • Breeding behaviour of polar bears in Hornsund, Svalbard

    Open AccessØystein Wiig, Ian Gjertz et al.ARTICLEPolar Record1992References: 4

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  • Feeding of walrus Odobenus rosmarus in Svalbard

    Open AccessIan Gjertz, Øystein WiigARTICLEPolar Record1992Cited by: 1References: 3

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  • Walrus predation of seabirds

    Open AccessIan GjertzARTICLEPolar Record1990Cited by: 1References: 3

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  • Stomach contents of autumn-feeding marine vertebrates from Hornsund, Svalbard

    Open AccessChristian Lydersen, Ian Gjertz et al.ARTICLEPolar Record1989Cited by: 1References: 12

    Stomachs of 171 vertebrates (two species offish, eight of birds and twoof seals) from Hornsund, Svalbard, were collected between 7 September and 5 October 1984. Arctic cod Boreogadus saida and the amphipod Pamthemisto libellula were the main prey species of black guillemots Cepphus grylle , little auks Alle alle , puffins Fratercula arctica , Brunnich's guillemots Uria lomvia , kittiwakes Rissa tridactyla and ringed seals Phoca hispida . Fulmars …