Atmospheric analysis

Has a receding lower jaw and black spots behind the head.

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

Northland, with its northern location, low elevation and close proximity to the sea is characterised by a mild, humid, and rather windy climate.

Technical information about our datasets and methodology along with related resources.

Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.

What are the potential sources of chemical contamination from aquaculture activities?

Defining drought and identifying its causes and impacts on humans.

New Zealand’s forests and other land areas may be absorbing up to 60% more carbon dioxide than has been calculated, with much of this uptake likely occurring in native forests, NIWA scientists have discovered.

About snapper eggs