-
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. -
Causes of sedimentation
What are the potential sources of sediments from land use activities? -
Kanae
Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range. -
Kōaro
Kōaro are excellent climbers and like clear, swiftly flowing, forested streams. -
Sediment and agriculture
How may agricultural activities increase sediments in waterways? -
Kōura
There are two species of kōura or freshwater crayfish in Aotearoa. -
Piharau
Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori.