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Temperature changes
Temperature affects the number and type of animals and plants that live in a waterway. -
Estuaries
Education ResourceAn estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean. -
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'. -
Nutrients and wastewater
How do nutrients from wastewater treatment enter waterways? -
Coralline Algae
This identification guide covers the common crustose coralline algae found in central New Zealand. -
New Zealand rushes (Juncus): factsheets and key
New Zealand rushes (Juncus): species-level factsheets. -
Modified habitat
A habitat is an environment or place where animals normally live. -
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. -
Climate change, global warming and greenhouse gases
Climate data and common terms explaining the causes and effects of climate change.
