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Sediment and horticulture
How may horticultural activities increase sediments in waterways? -
Instream barriers and forestry
How do instream barriers as a result of forestry activities potentially influence water resources? -
Riparian vegetation and forestry
How may forestry activities impact riparian vegetation around a waterway? -
Chemical contamination and forestry
What are the potential sources of chemical contamination from forestry activities? -
Nutrients and agriculture
What are the potential sources of nutrients from agricultural activities? -
Dissolved oxygen criteria for fish
Research ProjectNIWA has produced revised safe levels of dissolved oxygen for fish, which will help inform future environmental planning and resource consents and help to keep New Zealand rivers full of healthy fish. -
Stream restoration for aquatic invertebrates
Research ProjectStreams play a key role in the ecosystems of New Zealand’s unique landscape. They feed and link together freshwater sources, maintain good water quality and support habitats that sustain our biodiversity. -
Restoration of estuarine ecosystems
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Freshwater services
Our goal is to bridge the gap between science and the community in the field of freshwater resources, by providing science, technology and resource management services to New Zealand.
