Dr Hazel R Needham


Research Supervised


  • Drylie, Tarn (2020). The effects of low level disturbances on coastal soft sediment biodiversity and ecosystem function. (Primary Supervisor Prof Conrad Pilditch).
  • Flowers, Georgina (in progress). Examining environmental drivers of benthic primary production/sedimnt nutrient processing capacity in key habitats and responses changing light availability. (Primary Supervisor Prof Conrad Pilditch).

MSc (Research)

  • Squires, Kit (2019). Investigating changes in ecosystem functioning along a eutrophication gradient: A study of Waihī Estuary.
  • Ferries, Michal (in progress). The use of seagrass (Zostera muelleri) habitat by the Canada goose (Branta Canadensis) in Waikato estuaries.

Teaching Commitments


Coastal Sciences; Ecology; Environmental Impacts; Marine

Recent Publications

  • Drylie, T. P., Needham, H. R., Lohrer, D. M., Hartland, A., & Pilditch, C. (2019). Calcium carbonate alters the functional resilience of coastal sediments to eutrophication-induced acidification. Scientific Reports, 9(1). doi:10.1038/s41598-019-48549-8 Open Access version:

  • Drylie, T. P., Lohrer, A. M., Needham, H. R., Bulmer, R. H., & Pilditch, C. A. (2018). Benthic primary production in emerged intertidal habitats provides resilience to high water column turbidity. Journal of Sea Research, 142, 101-112. doi:10.1016/j.seares.2018.09.015

  • Drylie, T. P., Pilditch, C. A., Needham, H. R., Lohrer, A. M., & Hartland, A. (2018). Does calcium carbonate alter the functional resilience of coastal sediments to eutrophication-induced acidification?. In NZ Marine Sciences Society Conference: Weaving The Strands. Conference held at Napier Conference Centre, Napier, New Zealand.

  • Needham, H. R., Pilditch, C. A., & Green, M. O. (2018). Density dependent effects of a deposit-feeding tellinid bivalve on sediment stability along a wave exposure gradient. In ECSA 57 conference: Changing estuaries, coasts and shelf systems – Diverse threats and opportunities. Conference held at Pan Pacific Perth, Perth, Australia.

View All research publications by Hazel Needham

Contact Details

Room: E.1.09
Phone: +64 7 838 4383