The latest monthly and three-monthly riverflow information, plus an update on some of NIWA's current freshwater research.
Genetic diversity is an important component of biodiversity. Recent NIWA research shows how contaminated stormwater can reduce the genetic diversity of one model freshwater species.
As part of work to restore galaxiids to urban streams, NIWA scientists have been monitoring the movement of giant and banded kōkopu.
River flows maps and information for the past month and the past three months.
Walking the whole length of streams is slow and difficult, but by far the best way to learn about their environmental condition.
A review of some of the water resources information collected by NIWA across New Zealand.
