On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

SHMAK stream life – collecting benthic macroinvertebrates using the Stone Method

If you don’t have a net, you can collect stones from the streambed and collect the invertebrates that are clinging to the stones.

SHMAK Stream Life – Collecting Benthic Macroinvertebrates using the Stone Method

If you don’t have a net, you can collect stones from the streambed and collect the invertebrates that are clinging to the stones.