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Chemical contamination
Chemical contaminants are chemicals toxic to plants and animals in waterways. -
Mitigation and best practice options
Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai. -
Tuna - age and methods of ageing
Currently, the most reliable method to estimate the age of tuna is by examination of their otoliths or "ear bones" -
Water resources and mining
How may the activities of the mining industry influence water resources? -
Mean 10cm earth temperature (°C)
These datasets are available in a range of formats. -
SolarView example
An illustrated example, showing how to input data and interpret SolarView results. -
Kākahi
The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori. -
Library
ServiceThe NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences. -
Monthly
Publication seriesMonthly climate summaries from December 2001 to the present. -
Mean monthly sunshine (hours)
These datasets are available in a range of formats.