Browsing by UP Author "Wege, Mia"

Browsing by UP Author "Wege, Mia"

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  • Animal borne ocean sensors - AniBOS - an essential component of the global ocean observing system 
    McMahon, Clive Reginald; Roquet, Fabien; Baudel, Sophie; Belbeoch, Mathieu; Bestley, Sophie; Blight, Clint; Boehme, Lars; Carse, Fiona; Costa, Daniel P.; Fedak, Michael A.; Guinet, Christophe; Harcourt, Robert; Heslop, Emma; Hindell, Mark A.; Hoenner, Xavier; Holland, Kim; Holland, Mellinda; Jaine, Fabrice R.A.; Du Dot, Tiphaine Jeanniard; Jonsen, Ian; Keates, Theresa R.; Kovacs, Kit M.; Labrousse, Sara; Lovell, Philip; Lydersen, Christian; March, David; Mazloff, Matthew; McKinzie, Megan K.; Muelbert, Monica M.C.; O’Brien, Kevin; Phillips, Lachlan; Portela, Esther; Pye, Jonathan; Rintoul, Stephen; Sato, Katsufumi; Sequeira, Ana M.M.; Simmons, Samantha E.; Tsontos, Vardis M.; Turpin, Victor; Van Wijk, Esmee; Vo, Danny; Wege, Mia; Whoriskey, Frederick Gilbert; Wilson, Kenady; Woodward, Bill (Frontiers Media, 2021-11-05)
    Marine animals equipped with biological and physical electronic sensors have produced long-term data streams on key marine environmental variables, hydrography, animal behavior and ecology. These data are an essential ...
  • Antarctic pack ice seal observations during spring across the Lazarev Sea 
    Bester, Marthan Nieuwoudt; Lubcker, Nico; Haddad, Wiam; Bornemann, Horst; Wege, Mia (Cambridge University Press, 2021)
    The distribution, density and percentage contribution of pack ice seals during ship-board censuses in the marginal sea ice zone beyond the Lazarev Sea in spring 2019 are presented. Adult/juvenile crabeater seals (n = 19), ...
  • Cross-seasonal foraging site fidelity of subantarctic fur seals : implications for marine conservation areas 
    Wege, Mia; Tosh, Cheryl A.; De Bruyn, P.J. Nico; Bester, Marthan Nieuwoudt (Inter-Research, 2016-07)
    Marine top-predators show fidelity to foraging areas with predictable high-quality food patches. Areas of predictable prey yield are of conservation importance and telemetry data aid in identifying such areas. This study ...
  • Distribution and habitat suitability of Ross seals in a warming ocean 
    Wege, Mia; Bornemann, Horst; Blix, Arnoldus Schytte; Nordoy, Erling Sverre; Biddle, Louise; Bester, Marthan Nieuwoudt (Frontiers Media, 2021-05-13)
    Understanding the determinants of poorly studied species’ spatial ecology is fundamental to understanding climate change impacts on those species and how to effectively prioritise their conservation. Ross seals (Ommatophoca ...
  • First confirmed record of a leucistic Antarctic fur seal pup born outside the Scotia Arc Islands 
    Wege, Mia; Postma, Martin; Tosh, Cheryl A.; De Bruyn, P.J. Nico; Bester, Marthan Nieuwoudt (Springer, 2015-04)
    A leucistic Antarctic fur seal (Arctocephalus gazella) pup was born on subantarctic Marion Island during the austral summer of 2010/2011. This is the first confirmed record of a leucistic fur seal pup born outside ...
  • Geographic variation in subantarctic fur seal pup growth : linkages with environmental variability and population density 
    Oosthuizen, Wessel Christiaan; De Bruyn, P.J. Nico; Wege, Mia; Bester, Marthan Nieuwoudt (Oxford University Press, 2016-04)
    Marine predator populations are sensitive to temporal variation in prey availability, but prey dynamics are often difficult to quantify. Long-term measures of offspring growth is a useful performance attribute to gauge the ...
  • Habitat model forecasts suggest potential redistribution of marine predators in the Southern Indian ocean 
    Reisinger, Ryan Rudolf; Corney, Stuart; Raymond, Ben; Lombard, Amanda T.; Bester, Marthan Nieuwoudt; Crawford, Robert J. M.; Davies, Delia; De Bruyn, P.J. Nico; Dilley, Ben J.; Kirkman, Stephen P.; Makhado, Azwianewi B.; Ryan, Peter G.; Schoombie, Stefan; Stevens, Kim L.; Tosh, Cheryl A.; Wege, Mia; Whitehead, T. Otto; Sumner, Michael D.; Wotherspoon, Simon; Friedlaender, Ari S.; Cotte, Cedric; Hindell, Mark A.; Ropert-Coudert, Yan; Pistorius, Pierre A. (Wiley, 2022-01)
    AIM : Climate change will likely lead to a significant redistribution of biodiversity in marine ecosystems. We examine the potential redistribution of a community of ma-rine predators by comparing current and future habitat ...
  • Habitat modelling of tracking data from multiple marine predators identifies important areas in the Southern Indian Ocean 
    Reisinger, Ryan Rudolf; Raymond, Ben; Hindell, Mark A.; Bester, Marthan Nieuwoudt; Crawford, Robert J.M.; Davies, Delia; De Bruyn, P.J. Nico; Dilley, Ben J.; Kirkman, Stephen P.; Makhado, Azwianewi B.; Ryan, Peter G.; Schoombie, Stefan; Stevens, Kim; Sumner, Michael D.; Tosh, Cheryl A.; Wege, Mia; Whitehead, Thomas Otto; Wotherspoon, Simon; Pistorius, Pierre Anton (Wiley, 2018-04)
    AIM : The distribution of marine predators is driven by the distribution and abundance of their prey; areas preferred by multiple marine predator species should therefore indicate areas of ecological significance. The ...
  • High-resolution satellite imagery meets the challenge of monitoring remote marine protected areas in the Antarctic and beyond 
    LaRue, Michelle; Brooks, Cassandra; Wege, Mia; Salas, Leonardo; Gardiner, Natasha (Wiley Open Access, 2022-07)
    Remote, high-latitude oceans can prove challenging for the designation and implementation of marine protected areas (MPAs), partly due to issues in monitoring inaccessible localities and large spatial scales. A lack of ...
  • Hitchhiking goose barnacles and their potential implications on the functioning of animal-borne instruments 
    McIntyre, Trevor; Postma, Martin; Van der Merwe, Derek S.; Wege, Mia; Bester, Marthan Nieuwoudt (Southern African Wildlife Management Association, 2011-10)
    Goose barnacles (Lepas australis) were found attached to satellite-tracking and time-depth recording (TDR) instruments carried by two lactating Subantarctic fur seals (Arctocephalus tropicalis) from Marion Island. We ...
  • Ice matters : life-history strategies of two Antarctic seals dictate climate change eventualities in the Weddell Sea 
    Wege, Mia; Salas, Leo; LaRue, Michelle (Wiley, 2021-12)
    The impacts of climate change in Antarctica and the Southern Ocean are not uniform and ice-obligate species with dissimilar life-history characteristics will likely respond differently to their changing ecosystems. We use ...
  • Increase of sub-Antarctic fur seals at the Tristan da Cunha Islands 
    Bester, Marthan Nieuwoudt; Wege, Mia; Glass, T. (Springer, 2019-01)
    Sub-Antarctic fur seal, Arctocephalus tropicalis, pups were counted on some of the beaches on all four Tristan da Cunha (TdC) islands, in January 2017, to determine the status of the population, in the face of climate ...
  • Inshore occurrence of southern right whales (Eubalaena australis) at Subantarctic Marion Island 
    Postma, Martin; Wege, Mia; Bester, Marthan Nieuwoudt; Van der Merwe, Derek S.; De Bruyn, P.J. Nico (Zoological Society of Southern Africa, 2011-04)
    Opportunistic shore-based sightings of southern right whales Eubalaena australis for Marion Island (46°54'S, 37°45'E) were documented at five different times between 1974 and 2009. Whales were sighted between May and ...
  • Marine ecosystem assessment for the southern ocean : birds and marine mammals in a changing climate 
    Bestley, Sophie; Ropert-Coudert, Yan; Nash, Susan Bengtson; Brooks, Cassandra M.; Cotte, Cedric; Dewar, Meagan; Friedlaender, Ari S.; Jackson, Jennifer A.; Labrousse, Sara; Lowther, Andrew D.; McMahon, Clive Reginald; Phillips, Richard A.; Pistorius, Pierre Anton; Puskic, Peter S.; Reis, Ana Olivia de A.; Reisinger, Ryan Rudolf; Santos, Mercedes; Tarszisz, Esther; Tixier, Paul; Trathan, Philip N.; Wege, Mia; Wienecke, Barbara (Frontiers Media, 2020-11)
    The massive number of seabirds (penguins and procellariiformes) and marine mammals (cetaceans and pinnipeds) – referred to here as top predators – is one of the most iconic components of the Antarctic and Southern Ocean. ...
  • Marine hotspots of activity inform protection of a threatened community of pelagic species in a large oceanic jurisdiction 
    Requena, Susana; Oppel, Steffen; Bond, Alexander L.; Hall, Jonathan; Cleeland, Jaimie; Crawford, Robert J.M.; Davies, Delia; Dilley, Ben J.; Glass, Trevor; Makhado, Azwianewi; Ratcliffe, Norman; Reid, Timothy A.; Ronconi, Robert A.; Schofield, Andy; Steinfurth, Antje; Wege, Mia; Bester, Marthan Nieuwoudt; Ryan, Peter G. (Wiley, 2020-10)
    Remote oceanic islands harbour unique biodiversity, especially of species that rely on the marine trophic resources around their breeding islands. Identifying marine areas used by such species is essential to manage and ...
  • Marine Mammal Programme at the Prince Edward Islands : 38 years of research 
    Bester, Marthan Nieuwoudt; De Bruyn, P.J. Nico; Oosthuizen, Wessel Christiaan; Tosh, Cheryl A.; McIntyre, Trevor; Reisinger, Ryan Rudolf; Postma, Martin; Van der Merwe, Derek S.; Wege, Mia (Taylor & Francis, 2011)
    The Marine Mammal Programme (MMP) conducts research on pinnipeds and killer whales Orcinus orca at Marion Island, Prince Edward Islands, under the auspices of the Mammal Research Institute, Department of Zoology and ...
  • Multi-state mark-recapture models as a novel approach to estimate factors affecting attendance patterns of lactating subantarctic fur seals from Marion Island 
    Nevoux, Marie; De Bruyn, P.J. Nico; Wege, Mia (Cambridge University Press, 2015-06)
    Observer-based studies often underestimate key ecological parameters. Here a fresh approach was used to analyse six years (2006–11) of attendance cycles to estimate foraging trip lengths of a lactating flipper-tagged ...
  • The nightlife of a Ross seal : diving and haul-out behaviour from the eastern Weddell Sea 
    Wege, Mia; Bornemann, Horst; Bester, Marthan Nieuwoudt (Cambridge University Press, 2023-02)
    Ross seals (Ommatophoca rossii) travel away from the pack ice and spend most of their year foraging pelagically. Here, we augment the few existing records of Ross seal diving and haul-out behaviour, providing novel insights ...
  • Oedipus complex in an Antarctic fur seal pup? 
    Wege, Mia; Bester, Marthan Nieuwoudt; Van der Merwe, Derek S.; Postma, Martin (Springer, 2011-09)
    We present the first evidence of a possible case of the Oedipus complex in a nonprimate. An Antarctic fur seal pup, Arctocephalus gazella, unsuccessfully directed what appeared to be copulatory behaviour towards its own ...
  • Opportunistic ship-based census of pack ice seals in eastern Weddell Sea, Antarctica 
    Bester, Marthan Nieuwoudt; Wege, Mia; Lubcker, Nico; Postma, Martin; Syndercombe, Gavin (Springer, 2019-01)
    The distribution, density and percentage contribution of pack ice pinnipeds during ship-board censuses in the eastern Weddell Sea in summer 2015/2016 are presented. Of the four true pack ice seal species encountered, ...