Associate Professor Kevin Collier

Associate Professor (Biological Sciences)

Qualifications: BSc Waikato PhD Canterbury

Research Interests

Large river ecology, Restoration of urban streams, and methods for monitoring stream health.

Research Supervised


  • De Araujo Barbosa, Vanessa (in progress). Assessing dispersal pathways and connectivity of aquatic insect populations in fragmented landscapes: an integrated study.
  • Melchior, Michele (in progress). Reproductive biology and juvenile habitat ecology of freshwater mussels in Waikato streams.
  • Moore, Thomas (in progress). Interactions between freshwater mussels and non-indigenous species in New Zealand.
  • Pingram, Michael (2014). Food webs in the lower Waikato River and the role of hydrogeomorphic complexity.

MSc (Research)

  • Hanrahan, Nicola (2019). Field and laboratory investigations of Echyridella menziesii (Unionida:Hyriidae) interactions with host fishes.
  • Kelly, Johlene (2019). Comparison of kōura (Paranephrops planifrons) populations in Waikato hill-country streams with varying type and age of riparian planting and fencing.
  • Binks, Nigel (2018). Assessing New Zealand's spider (Araneae) fauna, using DNA barcoding.
  • Cooper, James (2018). Effects of emergent structure on the abundance and size distribution of Trichoptera in Bay of Plenty hill-country streams.
  • Fake, Daniel (2018). Remediating small-scale migratory fish barriers with floating fish ramps.
  • Catlin, Alicia (2015). Does reduced floodplain inundation affect larval fish food supply? Zooplankton-whitebait interactions in the lower Waikato River.


  • Suyatiningsih, Februanty (2019). Environmental factors affecting the Irrawaddy Dolphin (Orcaella brevirosris) distribution in the Mahakam River, East Kalimantan, Indonesia.
  • Garrett-Walker, Jeremy (2014). The ecology of constructed ponds on the lower Waikato River floodplain: implications for waterfowl management
  • Valler, Tammy (2013). Three Hamilton urban catchments: a comparison of ecosystem condition.
  • Johnston, Toni (2011). Comparison of riparian willows and riprap as habitat for fish and invertebrates in the Waikato River.
  • Ginders, Melany (2011). The influence of connectivity on the functional role of a natural and re-constructed side-arm in the lower Waikato River.


  • Parata, Riki (2019). Quantifying relationships between kōura (Paranephrops planifrons) abundance and micro-habitat features in Waikato hill-country streams.

Recent Publications

  • Drinan, T. J., Grainger, N. P. J., Harding, J. S., Collier, K. J., Smith, B. J., Death, R. G., . . . Rolfe, J. R. (2020). Analysis of the conservation status of New Zealand freshwater invertebrates: temporal changes, knowledge gaps, impediments, and management implications. New Zealand Journal of Zoology, 1-16. doi:10.1080/03014223.2020.1778044

  • Pingram, M. A., Collier, K. J., Özkundakci, D., & Garrett-Walker, J. (2020). Food web characteristics of fish communities across degraded lakes provide insights for management in multi-stressor environments. Aquatic Ecology, 54(1), 401-419. doi:10.1007/s10452-020-09750-4

  • Garrett-Walker, J., Collier, K. J., Daniel, A., Hicks, B. J., & Klee, D. (2020). Design features of constructed floodplain ponds influence waterbird and fish communities in northern New Zealand. Freshwater Biology. doi:10.1111/fwb.13602

  • Larned, S., Collier, K., & Howard-Williams, C. (2020). Preface: land-use impacts on aquatic ecosystems - tribute to John Quinn. New Zealand Journal of Marine and Freshwater Research, 54(3), 305-307. doi:10.1080/00288330.2020.1790395

View All research publications by Kevin Collier

Contact Details

Room: R.2.16
Phone: +64 7 858 5169