Te Kūwaha and Māori

Identifying the factors causing kōura numbers to decline will allow you to determine which restoration tools you need to employ.

Iwi has joined forces with councils and NIWA to restore an estuarine ecosystem to its former health.

NIWA is working alongside Māori to develop gateways to science and technology partnerships that are helping grow the Māori economy.

When you’ve spent a long time viewing something a particular way, it’s hard to recognise when it changes.

Marino Tahi is a man who speaks volumes between sentences.

This Habitat Mapping module will show you how to collect useful information to describe and monitor habitats in estuaries.

The type of sediment that is deposited in your estuary, be it mud or sand, and how quickly it is deposited, has a big influence on what your estuary will look like, how clear the water will be, and the types of plants and animals that can live in it. Download 7 guides for this module.

Three plants of an endemic submerged quillwort (Isoëtes) were recovered from Lake Ōmāpere by NIWA in 1998, prior to the lake weed (Egeria densa) dying off and the lake switching into an algal dominated turbid state. No further isoëtes plants have been observed in the lake since that time.

References and further reading for Tuna - pressures on New Zealand populations.

There are a number of nationally available resources for the New Zealand public, institutions and companies who need access to well-maintained long-term data repositories. Some of these resources are listed here.

Once eels reach sexual maturity they begin their downstream migration.

As eels only spawn once before death, they require different management to other fish.