• Effects of spatangoid heart urchins on O-2 supply into coastal sediment

      Vopel, K; Vopel, A; Thistle, D; Hancock, N (Inter-Research, 2007)
      Spatangoid heart urchins are key bioturbators in the marine environment. They pump seawater from the sediment surface around their tests and, at the same time, constantly displace the surrounding sediment. To improve our ...
    • More than just a crab hole

      Vopel, K; Hancock, N (NIWA, 2005)
      Mangrove trees trap fine sediment brought in by rivers and the tide. This sediment is the home of various bacteria, algae, protozoa, and invertebrates (such as marine worms) that cope well with the challenges of an intertidal ...