Rivers

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.
Under the light of the moon where the river meets the sea, NIWA researchers are planning to catch tiny fish that are all but invisible to the naked eye.
It may be rubbish to everyone else, but to Amanda Valois each little scrap of plastic on a river bank or in a waterway tells a valuable story.
Christchurch’s Red Zone is to be the focal point of a scientific experiment involving street lights and insects over summer. 

Our work

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.
Currently there are gaps in understanding of user decision making processes and public needs and requirements for river forecasting in New Zealand. This project aims to bridge NIWA river forecasting aspirations and capabilities with both the public and decision makers’ requirements.
The ability to properly manage our freshwater resources requires a solid understanding of the flora and fauna which live in and interact with them.
The alp-fed braided rivers of Canterbury are treasured for their landscape, recreational amenities, salmon- and trout-fishing, and unique riverine environments – which provide habitat to a host of endangered birds – but they are under threat from land-use intensification and a growing demand for irrigation water.

Latest videos

The world's most mysterious fish

A video about The world's most mysterious fish. NIWA researchers are working with iwi to try to unlock the secrets of New Zealand tuna—freshwater eels. Every year tiny, glass eels wash in on the tide at river mouths along our coast. But where do they come from and how do they get there?

 

Overview of SHMAK
How healthy is your stream? SHMAK—the New Zealand Stream Health Monitoring and Assessment Kit—has been designed to help you find out.
A day out measuring at Molesworth
A day out measuring at Molesworth
Modelling vegetation-impacted morphodynamics in braided rivers
NIWA is developing numerical models for predicting how the morphology of braided rivers responds to flow regulation and invasive exotic woody vegetation.

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.

These are some recent publications related to the Environmental flows programme.

2013

Booker, D.J., Graynoth, E. (2013). The relative influence of regional and meso-scale habitat features influencing the density and daytime habitat preferences of longfin and shortfin eels. New Zealand Journal of Marine and Freshwater Research, 47: 1-20.

These are some recent publications related to the Hydrological observations and predictions programme

2016

Yang, J., McMillan, H., Zammit, C. 2017. Modelling Surface water-groundwater interaction in New Zealand: Model development and application. Hydrological Processes, 31:925–934, DOI 10.1002/hyp.11075.

New Zealanders are increasingly demanding better information on how much water is in our rivers and groundwater aquifers, how that has changed over time and how it might change in the future. This programme will increase our understanding of the hydrological cycle: the quantity of freshwater in our rivers and groundwater systems, where that water came from and how long it took to get there.

Pages

 

All staff working on this subject

Hydro-ecological Modeller
placeholder image
Freshwater Hydro-Ecologist
placeholder image
Riparian and Wetland Scientist
placeholder image
Land and Water Scientist
Assistant Regional Manager - Christchurch
Principal Scientist - Aquatic Pollution
placeholder image
Hydrology Scientist
placeholder image
Environmental Monitoring Technician
placeholder image
Coastal Technician
Freshwater Fish Ecologist
Environmental Monitoring Technician
Hydrodynamics Scientist
Resource Management Scientist
Regional Manager - Auckland
placeholder image
Environmental Scientist
Algal Ecologist
Subscribe to RSS - Rivers