Find out more about free floating species.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Waikato exhibits a range of climates due to the variety of landscapes in the region.

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Tsunami is a Japanese word meaning great wave in harbour.

NIWA is leading a new six-year research project that seeks to increase our understanding of piharau/kanakana/lamprey, using Mātauranga Māori, social science and biophysical science approaches.

Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.

Virtual climate station estimates are produced every day, based on the spatial interpolation of actual data observations made at climate stations located around the country.

Common questions about storms and cyclones in New Zealand.

Land is tilled, sowed, and harvested for horticultural crops to grow.

Diverting water changes a waterways natural flow