Freshwater

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

What are the potential sources of chemical contaminants in wastewaters?

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.

In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources.

How may agricultural activities impact riparian vegetation around a waterway?

References, further reading, and links to useful websites.

What are the potential sources of chemical contamination from mining activities?