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What ails our estuaries - problems and solutions
Estuaries are at the bottom of the freshwater drainage network and, effectively, are a part of it. This means that every time we act to protect and enhance streams and rivers we are also benefiting the estuary at the downstream end. -
Temperature changes
Temperature affects the number and type of animals and plants that live in a waterway. -
Estuaries
Education ResourceAn estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean. -
Tuna - habitat
Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns. -
Freshwater monitoring and reporting
Research ProjectNIWA's research on freshwater monitoring and reporting is one of three research areas within the 'Values, Monitoring and Outcomes' (VMO) programme led by Landcare Research. -
Riparian management classification
Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies. -
Resource Management Act
The Resource Management Act (RMA) is legislation, administered by Regional Councils, which focuses on the sustainable management of New Zealand’s natural and physical resources. -
Horticultural activities
Land is tilled, sowed, and harvested for horticultural crops to grow. -
Freshwater fish species list
A list all of New Zealand's freshwater fish species. -
What is ocean acidification?
Education ResourceOcean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere. -
Kanae
Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range. -
Stepping into the river
Feature story06 June 2017NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?