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Summer Series 8: The forces behind beach ‘foam’
News article06 June 2017 -
NZ Freshwater Fish Database Help
Learn how to use the New Zealand Freshwater Fish Database (NZFFD) -
Suspended-sediment yield estimator
This national GIS ‘layer’ enables reconnaissance-scale estimation of suspended-sediment yields from New Zealand’s rivers and streams. It has been developed by NIWA in collaboration with Landcare Research. -
Water take
Water take (also known as water abstraction) has a range of valuable public and private uses. -
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? -
Aquaculture Activities
Shellfish gathering and farming take place in marine and freshwater environments. -
River Environment Classification
The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers. -
Identification and e-guides
Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes. -
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? -
Analysis of water quality trends
NIWA has developed a powerful software tool for the analysis of water quality data.
