Now showing items 1-5 of 5

  • Acoustic observations of jellyfish in the Namibian Benguela 

    Brierley, Andrew S.; Axelson, Bjorn Erik; Buecher, Emmanuelle; Sparks, Conrad A.J.; Boyer, Helen; Gibbons, Mark J. (Inter-Research, 2001)
    Multi-frequency acoustic data (18, 38 and 120 kHz) were collected in conjunction with pelagic trawl sampling for gelatinous macrozooplankton during a cruise to the Namibian Benguela in September 1999. Sampling focused ...
  • Carybdea branchi, sp. nov., a new box jellyfish (Cnidaria: Cubozoa) from South Africa. 

    Gershwin, Lisa-Ann; Gibbons, Mark J. (Magnolia Press, 2009)
    A common and conspicuous member of the medusan fauna of South Africa has been the subject of repeated taxonomic confusion. After having been mistakenly identified by earlier workers as either Carybdea alata or Tamoya ...
  • Hydromedusae off the Orange River Mouth, Southern Africa 

    Sparks, Conrad A.J.; Gibbons, Mark J. (NISC (Pty) Ltd and Taylor& Francis, 2003)
    A total of 242 zooplankton samples from the upper 100 m of the water column was collected discontinuously from March 1997 to January 1999 off the Orange River mouth on the west coast of southern Africa. Six species of ...
  • A modern description of Crambionella stuhlmanni (Scyphozoa: Rhizostomeae) from St. Lucia Estuary, South Africa 

    Neethling, Simone; Channing, Alan; Gershwin, Lisa-Ann; Gibbons, Mark J. (Cambridge University Press, 2011)
    A new record of Crambionella stuhlmanni is reported from the east coast of South Africa. The material is described using quantitative morphological data, and mitochondrial (CO1) and nuclear (ITS-1) sequence data. The species ...
  • Trophic ecology of carnivorous zooplankton in the Benguela 

    Gibbons, Mark J.; Stuart, V; Verheye, H M (NISC and Taylor & Francis, 1992)
    Carnivorous zooplankton in the Benguela system have tended to be ignored by all but early taxonomists and a handful of recent researchers. An attempt is made here to address the importance of carnivores in this system but, ...