Lakes

Latest news

A new study has identified seven freshwater species native to Aotearoa-New Zealand that will likely be highly or very highly vulnerable to climate change.
For more than 20 years NIWA scientists have been nurturing three plants that are the only examples of their kind in existence.
Scientists know so little about how storms affect the delicate balance of lake ecosystems that we may be unable to protect them from the effects of climate change, says a NIWA scientist.
Visitors to NIWA’s stand at this year’s Fieldays are invited to go diving into the Rotorua lakes—without having to get wet.

Our work

The ability to properly manage our freshwater resources requires a solid understanding of the flora and fauna which live in and interact with them.
Maniapoto Māori Trust Board and NIWA worked collaboratively during 2018-19 to support Ngāti Maniapoto whānau to reconnect with and participate in the assessment of their freshwater according to their values.
This research project aimed to understand the causes behind differences in mercury in trout and other organisms in the Bay of Plenty/Te Arawa lakes—in particular what features of each lake explain why mercury in trout is higher in some lakes than in other lakes.

NIWA recently hosted visitors from Northland to view cultivated plants from Lake Ōmāpere that are now ‘extinct in the wild’, and discussed plans for their reintroduction to the lake in the future. 

Latest videos

Diving deep to check up on our lakes

NIWA scientists jump overboard to check out the health the Rotorua Te Arawa lakes. The work is part of NIWA's national LakeSPI programme—an ecological health check for lakes throughout New Zealand. 
Underwater research to protect and maintain New Zealand's freshwater resources.

Welcome to Freshwater Update for May 2012.

This issue contains news about work from NIWA's Freshwater team, and Water Quality maps and information for the period January, February, March 2012.

As well as the articles below, the following have been added to our website:

Robot spies make new science discoveries in Fiordland's World Heritage Park

Welcome to Freshwater Update.

Here we bring you a review and outlook of New Zealand's freshwater resources, seasonal water quality information and news of our latest freshwater research. 

As well as the articles in this update, the following have been posted to our website:

Restoration of Aquatic Ecosystems 

John Clayton, a principal scientist in the fields of aquatic biodiversity and biosecurity based at NIWA's Hamilton office, has won a 2011 Kudos award for his leading role in the development of LakeSPI  (Lake Submerged Plant Indicators). 

July's FWU includes water quality maps and information. 

Retrospective river flows, July to September 2011

What we predicted for July 2011 to September 2011

River flows are likely to be normal in the North Island and north of the South Island, and normal or below normal in the rest of the South Island. 

What actually happened during July 2011 to September 2011

River flows were normal to below normal for most of the country, with some above normal river flows in the eastern North Island, eastern Southland and coastal Otago. 

 

DipCon 2011

18 September 2011 to 23 September 2011

NIWA sponsored the 15th International Conference of the IWA Diffuse Pollution Specialist Group on: Diffuse Pollution and Eutrophication. 

Pages

 

All staff working on this subject

Principal Scientist - Aquatic Pollution
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Environmental Monitoring Technician
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Freshwater Ecologist
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Coastal Technician
Freshwater Fish Ecologist
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Environmental Scientist
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