Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.

Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.

NIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid.

Seasonal climate summaries from summer 2001 to the present.

Instream barriers and diversions alter the natural flow of rivers, streams, and lakes.

Dry stock farms can cover large areas of hill-country grassland that may be steep and prone to erosion.

How do I create a graph?
Using Microsoft® Excel is easy because the Chart Wizard does all the work for you!
Simply enter the data for your data table.
Highlight the cells you want to graph.
Click on the Chart Wizard icon on the Tool Bar.
Select the chart type you want to use and click Next.
Click Next to confirm the range of cells.
Give your graph a title, label x- and y-axis and click Next.
Click on the gridlines tab to remove or add gridlines.
Click Finish and graph is complete!
Help, my graph is too small!
When the chart wizard creates your graph it will probably be too smal

Scholarships available to both Masters and undergraduate students in the fields of fisheries science and marine biology.

These climate maps are updated daily and are based on data from our National Climate Database.

Today's UV Index

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