Lakes

Latest news

A combination of artificial intelligence and scientific ingenuity looks set to be the next step forward in protecting Aotearoa New Zealand’s lakes and rivers from invasive aquatic weeds.
How much is too much? Susan Pepperell looks at some of the tough decisions looming around access to freshwater and how science is helping with solutions.
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.

Our work

Three plants of an endemic submerged quillwort (Isoëtes) were recovered from Lake Ōmāpere by NIWA in 1998, prior to the lake weed (Egeria densa) dying off and the lake switching into an algal dominated turbid state. No further isoëtes plants have been observed in the lake since that time.
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.
The ability to properly manage our freshwater resources requires a solid understanding of the flora and fauna which live in and interact with them.
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.

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.

The Hydrological Society & The Meteorological Society of NZ joint conference

19 November 2013 to 22 November 2013

NIWA is sponsoring The Hydrological Society & The Meteorological Society of NZ joint conference

The theme of this year’s conference is Water and Weather: Solutions for health, wealth and environment.

The conference is being held in Palmerston North, and will attract scientists, technicians, consultants, hydrologists, climatologists, students, resource managers and many others. 

Welcome to Freshwater Update 57, with the latest info from our Freshwater and Estuaries centre.

The ability to properly manage our freshwater resources requires a solid understanding of the flora and fauna which live in and interact with them.

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All staff working on this subject

Principal Scientist - Freshwater Ecology
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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