Freshwater quality

How may agricultural activities increase sediments in waterways?

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out.

References, further reading, and links to useful websites.

How may forestry activities increase sediments in waterways?

Links to related resources and websites

Has a receding lower jaw and black spots behind the head.

How can mining activities influence sediments in waterways?

An overview of what the SHMAK kit comprises, and various uses for it.

Smelt have a distinctly forked tail and a strong cucumber smell.

How does urbanisation increase sediments in waterways?

NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.

NIWA provides technical background information on "Clean Water" swimmability proposals.