Charts of coastal bathymetry, sediment, and other information are available for purchase.

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

Most of this climate zone is characterised by cool coastal breezes, and absence of shelter from the unsettled weather that moves over the sea from the south and southwest.

Compound specific stable isotope analysis techniques are an increasingly useful tool to address many ecological and environmental research questions.

A range of physical and chemical variables are measured in the NRWQN.

The need to provide upstream passage facilities for ensuring the long term sustainability of migratory freshwater fish populations is now well recognised.

Stormwater poses risks to NZ’s urban streams & coastal waters, affecting ecological health & the cultural, social, & economic value of these environments.

Aotearoa’s main urban areas cover approximately 2% of total available land.

Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.

Here is our complete range of products.