Browsing NTNU Open by Author "Kovacs, Kit M."
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Bearded seal (Erignathus barbatus) vocalizations across seasons and habitat types in Svalbard, Norway
Llobet, Samuel M.; Ahonen, Heidi; Lydersen, Christian; Berge, Jørgen; Ims, Rolf Anker; Kovacs, Kit M. (Peer reviewed; Journal article, 2021)Male bearded seals (Erignathus barbatus) use vocal displays to attract females and to compete with other males during the mating season. This makes it possible to monitor breeding populations of this species using passive ... -
Effects of a complex contaminant mixture on thyroid hormones in breeding hooded seal mothers and their pups
Grønnestad, Randi; Villanger, Gro Dehli; Polder, Anuschka; Kovacs, Kit M.; Lydersen, Christian; Jenssen, Bjørn Munro; Borgå, Katrine (Journal article; Peer reviewed, 2018)There is a general lack of information on the possible effects of perfluoroalkyl substances (PFASs) on thyroid hormones (THs) in wildlife species. The effects of PFASs, which are known endocrine disruptors, on the TH ... -
High genomic diversity in the endangered East Greenland Svalbard Barents Sea stock of bowhead whales (Balaena mysticetus)
Cerca, José; Westbury, Michael V; Heide-Jørgensen, Mads-Peter; Kovacs, Kit M.; Lorenzen, Eline D.; Lydersen, Christian; Shpak, Olga V.; Wiig, Øystein; Bachmann, Lutz (Peer reviewed; Journal article, 2022)The East Greenland-Svalbard-Barents Sea (EGSB) bowhead whale stock (Balaena mysticetus) was hunted to near extinction and remains Endangered on the International Union of Conservation of Nature Red List. The intense, ... -
Perfluoroalkyl substances (PFASs) in white whales (Delphinapterus leucas) from Svalbard – A comparison of concentrations in plasma sampled 15 years apart
Villanger, Gro Dehli; Kovacs, Kit M.; Lydersen, Christian; Haug, Line Småstuen; Sabaredzovic, Azemira; Jenssen, Bjørn Munro; Routti, Heli Anna Irmeli (Peer reviewed; Journal article, 2020)The objective of the present study was to investigate recent concentrations of perfluoroalkyl substances (PFASs) in white whales (Delphinapterus leucas) from Svalbard and compare them to concentrations found in white whales ...