1. Te Pūnaha Matatini, University of Auckland, Auckland 1142, New Zealand.
2. Cawthron Institute, Private Bag 2, Nelson, New Zealand.
3. Waterways Centre for Freshwater Management, University of Canterbury, Christchurch, New Zealand.
4. Coastal Marine Field Station, University of Waikato, 58 Cross Road, Tauranga, New Zealand.