Now showing items 1-2 of 2

    • Jellyfication of marine ecosystems as a likely consequence of overfishing small pelagic fishes: Lessons from the Benguela 

      Roux, Jean-Paul; van der Lingen, Carl D.; Gibbons, Mark J.; Moroff, Nadine E.; Shannon, Lynne J.; Smith, Anthony D.M.; Cury, Philippe M. (University of Miami, Rosenstiel School of Marine and Atmospheric Science, 2013)
      Changes in two contrasting ecosystems of the Benguela upwelling region, one dominated at mid-trophic level by jellyfishes (Namibia, northern Benguela ecosystem, where small pelagic fish abundance has been severely depleted) ...
    • Reviewing evidence of marine ecosystem change off South Africa 

      Moloney, C. L.; Fennessy, S. T.; Gibbons, Mark J.; Roychoudhury, A.; Shillington, F. A.; von der Heyden, B. P.; Watermeyer, K. (National Inquiry Services Centre, 2013)
      Recent changes have been observed in South African marine ecosystems. The main pressures on these ecosystems are fishing, climate change, pollution, ocean acidification and mining. The best long-term datasets are for trends ...