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Q&A: Another way to measure river health
Feature story20 June 2017There’s another way of measuring the health of rivers – the health of invertebrate populations that need them, says John Quinn, NIWA Chief Scientist, Freshwater
and Estuaries. -
Erica Williams - Where the water is clean
Feature story20 June 2017Erica Williams' story starts with the website of Moerewa School, where pupil Tyra-Lee explains her connection to a very special place in her small Far North town. -
Raising the bar for swimmable rivers
Feature story20 June 2017The government has released the ‘Clean Water’ package of proposed reforms, aimed at making more of our rivers swimmable. But how is ‘swimmable’ to be measured, and do these measures stack up? -
Dairy turns the corner
Feature story11 June 2017NIWA's Freshwater and Estuaries Chief Scientist Dr John Quinn believes the dairy industry has been responsive in the tools it has adopted to reduce its impact on waterways. -
Further reading
References, further reading, and links to useful websites. -
Sediment and mining
How can mining activities influence sediments in waterways? -
Shortjaw kōkopu
Has a receding lower jaw and black spots behind the head. -
Sediment and urbanisation
How does urbanisation increase sediments in waterways? -
What do we measure?
Research ProjectA range of physical and chemical variables are measured in the NRWQN. -
Smelt
Smelt have a distinctly forked tail and a strong cucumber smell. -
Nutrients and wastewater
How do nutrients from wastewater treatment enter waterways?