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Nature knows best?
Feature story06 June 2017Returning water to our waterways after we’ve used it in our homes, on farms and in industry is a complex and challenging process. -
Kōaro
Kōaro are excellent climbers and like clear, swiftly flowing, forested streams. -
Common hydrological terms
Education ResourceDescriptions of the common terms that explain the processes that occur in hydrology. -
Tuna - tuna heke (downstream migrants)
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'. -
Nutrient overloading
Nutrients in waterways are essential for the growth of algae and aquatic plants but too much can destroy an ecosystem. -
Kōura
There are two species of kōura or freshwater crayfish in Aotearoa. -
Water temperature and hydro
How do hydro-electricity activities potentially influence waterway temperatures? -
What ails our estuaries - problems and solutions
Estuaries are at the bottom of the freshwater drainage network and, effectively, are a part of it. -
Mitigation and best practice options
Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai. -
Climate change, global warming and greenhouse gases
Climate data and common terms explaining the causes and effects of climate change.
