Our Services

Few New Zealand lakes retain their indigenous vegetation, and the condition of many lakes is under threat from land-use changes and the invasion of alien aquatic plants.

Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health. How can you find out whether an algal bloom is potentially toxic?

NIWA makes a range of trace gas data freely available on our FTP site.

The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.

The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.

Kaitiaki Tools is a store of knowledge for people who manage natural resources.

Regional-scale climate projections assist local authorities to assess risks presented by climate change now and prepare their communities for the future impacts.

Using a novel observational platform – ocean gliders—this research will observe and understand subsurface variations in temperature, salinity, oxygen and biological factors in water shallower than 200 metres – what we consider to be the shelf seas.

The main purpose of Ngā Waihotanga Iho is to provide tools for the public to measure environmental changes that occur in estuaries over time. These changes may occur due to natural processes and/or human activities.

Growing global demand for protein and high-value food products from the sea is creating a significant economic opportunity for environmentally responsible and sustainable aquaculture.