David Smol, Board Chair for the New Zealand Earth Sciences Institute has announced the appointment of John Morgan as the Transition Chief Executive. This appointment is effective from 1 July 2025 and ...

The research follows a pilot study in 2017, which also suggested indigenous forest in Fiordland might be absorbing more CO 2 than expected. “That study was based on only three years of data, and we ...

Temperature Temperatures were above average (0.51-1.20°C above average) or well above average (>1.20°C above average) for most of the country. Temperatures were near average (±0.50 of average) for ...

Lake Ōmāpere . The 12.3 sq km Lake Ōmāpere is around 2.6 m deep, but during summer it drops to as low as 1.5 m. Two centuries ago, the lake, which sits in a volcanic area, was much deeper and was ...

New Zealanders hoping to see the Matariki stars over the long weekend will have mixed conditions, with the best viewing likely on Friday and Saturday in many areas, according to NIWA’s 2025 Matariki ...

The gold clam excretes a lot of ammonium nitrogen (NH 4 -N). Some of this ammonium ion (NH 4) turns into ammonia (NH 3), which can be toxic to invertebrates, fish, and submerged plants. The balance ...

Juvenile gold clam caught on a Hester-Dendy multi-plate sampler at Bob’s Landing, Lake Karaapiro. Summary of preliminary findings – May 2025 The samplers recorded 15 taxa typical of Waikato hydro ...

Stopping the invasive gold clam programme update June 2025 Update from programme lead Deborah Hofstra. In this update we report on research activities over the last three months in the field, the lab ...