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Tuna - elvers and recruitment
Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers. -
Horticultural activities
Land is tilled, sowed, and harvested for horticultural crops to grow. -
Chemical contamination and wood processing
What are the sources of chemical contamination from wood processing? -
Urbanisation
Aotearoa’s main urban areas cover approximately 2% of total available land. -
NZ Freshwater Fish Database Help
Learn how to use the New Zealand Freshwater Fish Database (NZFFD) -
Understanding and predicting floods and their impacts
Feature story06 June 2017Floods are not unusual in New Zealand, but those that hit us early this winter broke records. Why did they occur? Should we expect more? Can we predict future floods? -
Riparian management classification
Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies. -
Infectious substances
Waterways can easily become contaminated by pathogens when effluent is discharged nearby. -
Chemical contamination and agriculture
What are the potential sources of chemical contamination from agricultural activities? -
Piharau
Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori. -
Urbanisation activities
Urbanisation has changed the face of many waterways that flow through urban areas -
Sediment and agriculture
How may agricultural activities increase sediments in waterways?
