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Water diversion
Diverting water away from its natural channel for commercial or private use. -
Freshwater fish species list
A list all of New Zealand's freshwater fish species. -
Tau kōura sample collection and processing protocol
Tau kōura is a traditional Māori fishing method commonly used to harvest kōura or freshwater crayfish in areas where they are abundant. -
Stream periphyton monitoring manual
This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand. -
Wastewater treatment activities
Rural, urban, and suburban wastewater treatment methods. -
Sediment and mining
How can mining activities influence sediments in waterways? -
New Zealand fish passage guidelines
Research ProjectThe New Zealand Fish Passage Guidelines sets out recommended practice for the design of instream infrastructure to provide for fish passage. -
Tuna - tuna heke (downstream migrants)
Every year, a proportion of eels mature and migrate to sea to spawn. Once eels become migrants (also known as tuna heke or tuna whakaheke) they stop feeding, and progressively develop the external features that clearly distinguish them from 'feeders'. -
Nutrients and wastewater
How do nutrients from wastewater treatment enter waterways? -
Coralline Algae
This identification guide covers the common crustose coralline algae found in central New Zealand. -
Pulp and paper
Wood chips and plant material make pulp that is used to produce paper products.