Ecological monitoring

We offer a range of ecological monitoring tools.

Could bubbles and strobe lights stop pest fish swimming where they’re not wanted?

NIWA and partners launch critical research to stop an invasive clam threatening New Zealand's freshwater ecosystem.

Introducing NIWA sediment transport scientist Clare Wilkinson.

Find out more about the MBIE project

NIWA’s Stream Health Monitoring Assessment Kit (SHMAK) gives land owners, iwi, school and community groups simple, scientifically-sound tools and resources to monitor the ecological health of New Zealand’s streams.

Bottom lining is the installation of a flexible covering over the top of beds of aquatic weeds, similar to using weed matting in home gardens. This control method is also called ‘benthic barriers’.

Sam Fraser-Baxter heads out with a NIWA research team keeping a close eye on these vulnerable transition zones.

Diquat is a herbicide (chemical) that has been used in New Zealand for many decades for submerged (underwater) weed control and also on agricultural crops. It is registered for freshwater use in New Zealand.

NIWA is helping to ensure that New Zealand’s unique and iconic freshwater species are healthy, abundant and thriving.

Tiny, translucent eels may hold the answers to one of the fish world’s great mysteries. Zen Gregor investigates.

This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.