Browsing Research Articles (Mammal Research Institute) by UP Author "Pistorius, Pierre Anton"

Browsing Research Articles (Mammal Research Institute) by UP Author "Pistorius, Pierre Anton"

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  • Antarctic fur seal predation on cephalopods at Marion Island 
    Reisinger, Ryan Rudolf; De Bruyn, P.J. Nico; Pistorius, Pierre Anton; Bester, Marthan Nieuwoudt (Springer, 2010-04)
    We report two observations of adult male Antarctic fur seals, Arctocephalus gazella, preying on large octopods at subAntarctic Marion Island during July and August 2008. If Antarctic fur seals take cephalopods ...
  • First African Marine Mammal Colloquium, South Africa, May 2010 
    Elwen, Simon Harvey; Thornton, Meredith; Kirkman, Steve P. (Stephen Patrick); Pistorius, Pierre Anton; Weir, C.R. (Taylor & Francis, 2011)
    The African Marine Mammal Colloquium (AMMC) was initiated to provide a platform for increased collaboration and communication between researchers working on marine mammals in and around Africa. The first meeting of the ...
  • Median pupping date, pup mortality and sex ratio of fur seals at Marion Island 
    Hofmeyr, Gordon John Gregory; Bester, Marthan Nieuwoudt; Pistorius, Pierre Anton; Mulaudzi, Tambudzani W.; De Bruyn, P.J. Nico; Ramunasi, Justice A.; Tshithabane, Hendrik N.; McIntyre, Trevor; Radzilani, Phathu M. (Southern African Wildlife Management Association, 2007)
    Modelling fur seal populations requires the accurate assessment of demographic parameters such as age-specific mortality. Owing to the highly variable mortality rates that pups are subject to, mortality of this age class ...
  • Population dynamics of southern elephant seals : a synthesis of three decades of demographic research at Marion Island 
    Pistorius, Pierre Anton; De Bruyn, P.J. Nico; Bester, Marthan Nieuwoudt (Taylor & Francis, 2011)
    Southern elephant seal Mirounga leonine numbers declined precipitously throughout most of their circumpolar distribution since the 1950s. A long-term intensive demographic programme was initiated in 1983 on the relatively ...