Browsing Published externally by Author "Biuw, Martin"

Now showing items 21-39 of 39

    • Marine mammal hotspots across the circumpolar Arctic 

      Hamilton, Charmain D.; Lydersen, Christian; Aars, Jon; Acquarone, Mario; Atwood, Todd; Baylis, Alastair; Biuw, Martin; Boltunov, Andrei N.; Born, Erik W.; Boveng, Peter; Brown, Tanya M.; Cameron, Michael; Citta, John; Crawford, Justin; Dietz, Rune; Elias, Jim; Ferguson, Steven H.; Fisk, Aaron; Folkow, Lars; Frost, Kathryn J.; Glazov, Dmitri M.; Granquist, Sandra M.; Gryba, Rowenna; Harwood, Lois; Haug, Tore; Heide-Jørgensen, Mads Peter; Hussey, Nigel E.; Kalinek, Jimmy; Laidre, Kristin L.; Litovka, Dennis I.; London, Josh M.; Loseto, Lisa L.; MacPhee, Shannon; Marcoux, Marianne; Matthews, Cory J. D.; Nilssen, Kjell Tormod; Nordøy, Erling Sverre; O’Corry-Crowe, Greg; Øien, Nils Inge; Olsen, Morten Tange; Quakenbush, Lori; Rosing-Asvid, Aqqalu; Semenova, Varvara; Shelden, Kim E. W.; Shpak, Olga V.; Stenson, Garry; Storrie, Luke; Sveegaard, Signe; Teilmann, Jonas; Ugarte, Fernando; Von Duyke, Andrew L.; Watt, Cortney; Wiig, Øystein; Wilson, Ryan R.; Yurkowski, David J.; Kovacs, Kit M. (Peer reviewed; Journal article, 2022)
      Aim: Identify hotspots and areas of high species richness for Arctic marine mammals. Location: Circumpolar Arctic. Methods: A total of 2115 biologging devices were deployed on marine mammals from 13 species in the Arctic ...

    • Marine mammal hotspots in the Greenland and Barents Seas 

      Hamilton, Charmain Danielle; Lydersen, Christian; Aars, Jon; Biuw, Martin; Boltunov, Andrei; Born, Erik W.; Dietz, Rune; Folkow, Lars; Glazov, Dmitry M.; Haug, Tore; Heide-Jørgensen, Mads-Peter; Kettemer, Lisa Elena; Laidre, Kristin L.; Øien, Nils Inge; Nordøy, Erling Sverre; Rikardsen, Audun H.; Rosing-Asvid, Aqqalu; Semenova, Varvara; Shpak, Olga V.; Sveegaard, Signe; Ugarte, Fernando; Wiig, Øystein; Kovacs, Kit M. (Peer reviewed; Journal article, 2021)
      Environmental change and increasing levels of human activity are threats to marine mammals in the Arctic. Identifying marine mammal hotspots and areas of high species richness are essential to help guide management and ...

    • Monitoring marine mammals using unmanned aerial vehicles: Quantifying detection certainty 

      Aniceto, Ana Sofia; Biuw, Martin; Lindstrøm, Ulf; Solbø, Stian; Broms, Fredrik Björn; Carroll, JoLynn (Peer reviewed; Journal article, 2018)
      Unmanned aerial vehicles (UAVs) are increasingly being recognized as potentially useful for detection of marine mammals in their natural habitats, but an important consideration is the associated uncertainties in animal ...

    • Multi-decadal environmental change in the Barents Sea recorded by seal teeth 

      de la Vega, Camille; Buchanan, Pearse J.; Tagliabue, Alessandro; Hopkins, Joanne E.; Jeffreys, Rachel M.; Frie, Anne Kirstine Højholt; Biuw, Martin; Kershaw, Joanna; Grecian, James; Norman, Louisa; Smout, Sophie; Haug, Tore; Mahaffey, Claire (Peer reviewed; Journal article, 2022)
      Multiple environmental forcings, such as warming and changes in ocean circulation and nutrient supply, are affecting the base of Arctic marine ecosystems, with cascading effects on the entire food web through bottom-up ...

    • Multi-decadal trends in biomarkers in harp seal teeth from the North Atlantic reveal the influence of prey availability on seal trophic position 

      de la Vega, Camille; Kershaw, Joanna; Stenson, Garry B.; Frie, Anne Kirstine Højholt; Biuw, Martin; Haug, Tore; Norman, Louisa; Mahaffey, Claire; Smout, Sophie; Jeffreys, Rachel M. (Peer reviewed; Journal article, 2023)
      Arctic food webs are being impacted by borealisation and environmental change. To quantify the impact of these multiple forcings, it is crucial to accurately determine the temporal change in key ecosystem metrics, such as ...

    • Niches of marine mammals in the European Arctic 

      MacKenzie, Kirsteen M.; Lydersen, Christian; Haug, Tore; Routti, Heli Anna Irmeli; Aars, Jon; Andvik, Clare Margaret; Borgå, Katrine; Fisk, A.T.; Meier, Sonnich; Biuw, Martin; Lowther, Andrew; Lindstrøm, Ulf Ove; Kovacs, Kit M. (Peer reviewed; Journal article, 2022)
      The Arctic is warming rapidly, with concomitant sea ice losses and ecosystem changes. The animals most vulnerable to Arctic food web changes are long-lived and slow-growing such as marine mammals, which may not be able to ...

    • Niches of marine mammals in the European Arctic 

      MacKenzie, Kirsteen M.; Lydersen, Christian; Haug, Tore; Routti, Heli Anna Irmeli; Aars, Jon; Andvik, Clare Margaret; Borgå, Katrine; Fisk, A.T.; Meier, Sonnich; Biuw, Martin; Lowther, Andrew; Lindstrøm, Ulf Ove; Kovacs, Kit M. (Peer reviewed; Journal article, 2022)
      The Arctic is warming rapidly, with concomitant sea ice losses and ecosystem changes. The animals most vulnerable to Arctic food web changes are long-lived and slow-growing such as marine mammals, which may not be able to ...

    • Non-lunge feeding behaviour of humpback whales associated with fishing boats in Norway 

      Iwata, Takashi; Aoki, Kagari; Miller, Patrick J. O.; Biuw, Martin; Williamson, Michael J.; Sato, Katsufumi (Peer reviewed; Journal article, 2023)
      Top marine predators, such as odontocetes, pinnipeds, and seabirds, are known to forage around fishing boats as fishermen aggregate and/or discard their prey. Recently, incidents of humpback whales interacting with fishing ...

    • Nutrient concentrations in minke whale faeces and the potential impact on dissolved nutrient pools off Svalbard, Norway 

      Freitas, Carla; Gundersen, Kjell; Lindblom, Lotta; Biuw, Martin; Haug, Tore (Peer reviewed; Journal article, 2023)
      There is increasing interest in assessing the impact of whales on nutrient and carbon cycling in the ocean. By fertilising surface waters with nutrient-rich faeces, whales may stimulate primary production and thus carbon ...

    • Recent Harp and Hooded Seal Pup Production Estimates in the Greenland Sea Suggest Ecology-Driven Declines 

      Biuw, Martin; Øigård, Tor Arne; Nilssen, Kjell Tormod; Stenson, Garry; Lindblom, Lotta; Poltermann, Michael Tino; Kristiansen, Martin; Haug, Tore (Peer reviewed; Journal article, 2022)
      Pup production of the Greenland Sea populations of harp (Pagophilus groenlandicus) and hooded (Cystophora cristata) seals were estimated based upon aerial surveys in March 2018. One fixed-wing aircraft was used for large-area ...

    • Report of the NAMMCO-ICES Workshop on Seal Modelling (WKSEALS 2020) 

      Smout, Sophie; Murray, Kimberly; Aarts, Geert; Biuw, Martin; Brasseur, Sophie; Buren, Alejandro; Empacher, Fanny; Frie, Anne Kirstine Højholt; Grecian, James; Hammill, Mike; Mikkelsen, Bjarni; Mosnier, Arnaud; Rosing-Asvid, Aqqalu; Russell, Debbie; Skaug, Hans Julius; Stenson, Garry; Thomas, Len; Ver Hoef, Jay; Witting, Lars; Zabavnikov, Vladimir; Øigård, Tor Arne; Fernandez, Ruth; Wickson, Fern (Peer reviewed; Journal article, 2021)

    • Round-trip migration and energy budget of a breeding female humpback whale in the Northeast Atlantic 

      Kettemer, Lisa Elena; Mul, Evert; Blanchet, Marie-Anne; Rikardsen, Audun; Biuw, Martin; Broms, Fredrik Björn (Others, 2022)
      In the northern hemisphere, humpback whales (Megaptera novaeangliae) typically migrate between summer/autumn feeding grounds at high latitudes, and specific winter/spring breeding grounds at low latitudes. Northeast Atlantic ...

    • Salmon louse infestation levels on sea trout can be predicted from a hydrodynamic lice dispersal model 

      Bøhn, Thomas; Nilsen, Rune; Gjelland, Karl Øystein; Biuw, Martin; Sandvik, Anne Dagrun; Primicerio, Raul; Karlsen, Ørjan; Serra Llinares, Rosa Maria (Peer reviewed; Journal article, 2021)
      The abundance of the parasitic salmon louse has increased with the growth in aquaculture of salmonids in open net pens. This represents a threat to wild salmonid populations as well as a key limiting factor for salmon ...

    • Seasonal dynamics of carbonate chemistry, nutrients and CO2 uptake in a sub-Arctic fjord 

      Jones, Elizabeth Marie; Renner, Angelika; Chierici, Melissa; Wiedmann, Ingrid; Lødemel, Helene; Biuw, Martin (Peer reviewed; Journal article, 2020)
      Environmental change can have a significant impact on biogeochemical cycles at high latitudes and be particularly important in ecologically valuable fjord ecosystems. Seasonality in biogeochemical cycling in a sub-Arctic ...

    • Seasonal ecology in ice-covered Arctic seas - Considerations for spill response decision making 

      Aune, Magnus; Aniceto, Ana Sofia; Biuw, Martin; Daase, Malin; Falk-Petersen, Stig; Leu, Eva; Ottesen, Camilla; Sagerup, Kjetil; Camus, Lionel (Peer reviewed; Journal article, 2018)
      Due to retreating sea ice and predictions of undiscovered oil and gas resources, increased activity in Arctic shelf sea areas associated with shipping and oil and gas exploration is expected. Such activities may accidentally ...

    • Spatial distribution of Svalbard rock ptarmigan based on a predictive multi-scale habitat model 

      Pedersen, Åshild Ønvik; Fuglei, Eva; Willebrand, Maria Hörnell; Biuw, Martin; Jepsen, Jane Uhd (Peer reviewed; Journal article, 2017)

    • The intensity of horizontal and vertical search in a diving forager the harbour seal 

      Ramasco, Virginie; Barraquand, Frédéric; Biuw, Martin; McConnell, Bernie J.; Nilssen, Kjell Tormod (Journal article; Peer reviewed, 2015-05-27)
      Free ranging foraging animals can vary their searching intensity in response to the profitability of the environment by modifying their movements. Marine diving animals forage in a three dimensional space and searching ...

    • Time budgets and at-sea behaviour of lactating female Antarctic fur seals Arctocephalus gazella at Bouvetøya 

      Biuw, Martin; Krafft, Bjørn A.; Hofmeyr, G.J. Greg; Lydersen, Christian; Kovacs, Kit M. (Journal article; Peer reviewed, 2009-06-18)
      We present the first data on attendance patterns, at-sea movements and diving behaviour of Antarctic fur seals breeding at Bouvetøya (Bouvet Island), Southern Ocean. While other colonies have been extensively studied, this ...

    • Using an omnidirectional video logger to observe the underwater life of marine animals: Humpback whale resting behaviour 

      Iwata, Takashi; Biuw, Martin; Aoki, Kagari; Miller, Patrick J.O.; Sato, Katsufumi (Peer reviewed; Journal article, 2021)
      Animal-borne video loggers are powerful tools for investigating animal behaviour because they directly record immediate and extended peripheral animal activities; however, typical video loggers capture only a limited area ...