Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.

 

Learn how to use the New Zealand Freshwater Fish Database (NZFFD)

This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.

A high proportion of New Zealand’s native freshwater fish fauna need to migrate to and from the sea.

Station height is in metres above mean sea level. Years of data are the number of complete years of data for the 1981 – 2010 period.

Mountainous areas are subject to heavy snowfalls, high winds, and low temperatures. Semi-permanent snow and ice fields exist at about 1000-1100 metres during winter.

The mass of carbon emissions can easily be calculated.

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

View a collection of maps showing the impact of past El Niño and La Niña events.

Tuna or freshwater eels are a very significant, widely-valued, heavily-exploited, culturally iconic mahinga kai resource.