Freshwater quality

Inanga are the predominant species in the modern whitebait fishery.

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori.

What are the potential sources of sediments from land use activities?

Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range.

Kōaro are excellent climbers and like clear, swiftly flowing, forested streams.

There are two species of kōura or freshwater crayfish in Aotearoa.

How may agricultural activities increase sediments in waterways?

Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori.

How may forestry activities increase sediments in waterways?