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Taonga Species Series: Pātiki
Feature story06 June 2017What does science tell us about New Zealand flounder? -
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. -
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. -
Horticultural activities
Land is tilled, sowed, and harvested for horticultural crops to grow. -
Chemical contamination and agriculture
What are the potential sources of chemical contamination from agricultural activities? -
Climate change, global warming and greenhouse gases
Climate data and common terms explaining the causes and effects of climate change. -
Analysis of water quality trends
NIWA has developed a powerful software tool for the analysis of water quality data. -
Piharau
Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori. -
Infectious substances
Waterways can easily become contaminated by pathogens when effluent is discharged nearby. -
Q&A - Bloomin' algae!
Feature story06 June 2017A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too. -
Aquaculture Activities
Shellfish gathering and farming take place in marine and freshwater environments.