The nitrate test included in SHMAK is a colorimetric test. You can order additional test kits from NIWA.

Temperature and conductivity are two easy measurements you can take in your stream. Here's how to use a temperature logger.

Some SHMAK tests require you to collect a water sample. You can use SHMAK to test some parameters, alternatively the water sample can be sent to a lab for analysis.

SHMAK is available as a standard kit and SHMAK Plus. Here we explain what is included in the kit and what extras you need to purchase on your own.

The various assessments in SHMAK are done over different lengths (reaches) of stream. Mark out the longest reach first, then shorter reaches.

SHMAK Stream Site Assessment - How to record some basic information about your stream site so you can interpret your results.

Download the entire manual or just the chapters you need. A printed version is also available.

Sustainability of Hoki fisheries in the Cook Strait

Ever wondered what fish is served in a Filet-o-Fish at MacDonald’s? It’s hoki. Fish fingers at the supermarket? Chances are, they’ll be hoki too.

If you want a healthy fishing industry, you need to know how healthy your fish stocks are. Sam Fraser-Baxter talks to a scientist who went to sea to find out.

NIWA has teamed up with Microsoft for a new project using artificial intelligence to combine historic weather records with breakthrough handwriting recognition tools.

Dr Rob Bell worked out a long time ago that sea-level rise is much more than a scientific problem. No wonder then that people say his ability to listen is one of his best traits.