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Mahinga kai - what species interests you?
In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources. -
Nutrient overloading
Nutrients in waterways are essential for the growth of algae and aquatic plants but too much can destroy an ecosystem. -
Further reading
References, further reading, and links to useful websites. -
Temperature changes
Temperature affects the number and type of animals and plants that live in a waterway. -
Tuna - elvers and recruitment
Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers. -
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. -
What is the proposed activity or industry?
Various industries and land use activities have the potential to impact on water quality and mahinga kai unless properly managed. -
Summer Series 8: The forces behind beach ‘foam’
News article06 June 2017 -
Chemical contamination and agriculture
What are the potential sources of chemical contamination from agricultural activities? -
Stepping into the river
Feature story06 June 2017NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways? -
River Environment Classification REC2
The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers.