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 ...

Climate Summary for May 2025Overview May 2025 mean sea level air pressure (MSLP) was higher than normal over and surrounding Aotearoa New Zealand, and lower than normal well to the south of the ...

Northland’s bold initiative to revive a treasured taonga gains international recognition for its indigenous-led, science-backed approach to restoring water quality and biodiversity An ambitious plan ...

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 ...

Note differences in total counts between clams and kaakahi. Corbicula populations were associated with deeper waters, with high numbers and greater spread at 12–15 m. The consistent pattern of higher ...

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 ...