ScienceNZ: Freshwater

NIWA scientists alleviate concern over 1080

Wed, 18 Aug 2010 04:47:00 GMT

NIWA scientists have found little cause for concern about the possibility of 1080 contamination in streams. This finding was part of a detailed investigation on the West Coast, during August last year.

Ancient creatures re-discovered thriving in southern New Zealand

Thu, 08 Oct 2009 03:33:16 GMT

Some of the world’s most ancient and fascinating animals have been re-discovered in southern New Zealand. Prospects for their survival look good – provided groundwaters and wetlands are protected.

'Water footprint' as pressing as carbon dioxide emissions

Mon, 14 Sep 2009 21:33:36 GMT

According to Plant and Food Research - if you want to be environmentally chic you need to be concerned about your water footprint.

Focused research in effort to fix Canterbury water woes

Thu, 23 Jul 2009 00:47:12 GMT

The National Institute of Water & Atmospheric Research’s (NIWA) scientific expertise is to be focused on improving the management of freshwater resources in Canterbury.

Karori perch pests successfully culled

Tue, 17 Mar 2009 01:57:01 GMT

Electro-fishing and netting have successfully reduced perch numbers in a conservation safe haven.

Monitoring provides insight into river water quality

Tue, 03 Feb 2009 01:47:01 GMT

Two decades of monitoring of river water quality by NIWA has provided important information that is helping to care for New Zealand’s iconic rivers.

The complexities of water governance

Thu, 29 Jan 2009 03:41:50 GMT

A new report looking at water resource governance in Canterbury highlights the ever–increasing difficulties in managing water resources and creating effective solutions for future generations.

Overhaul for the National Hydrometric Network

Wed, 08 Oct 2008 00:35:30 GMT

NIWA is managing a nationwide upgrade of the New Zealand's 300-plus lake and river monitoring stations.

Watercress - one step to cleaner waterways?

Wed, 08 Oct 2008 00:30:04 GMT

NIWA scientists have found that watercress may have the potential to absorb nitrate and phosphate from waterways, helping clean up lakes and rivers.

Freshwater fish finder

Mon, 01 Sep 2008 00:22:56 GMT

A new NIWA study answers questions on 'what lives where?' in our freshwater habitats.

Analysing water quality data just got easier

Thu, 21 Aug 2008 03:55:06 GMT

A new software programme for analysing water quality data, ‘Time Trends’, has been released by NIWA.

Doom for Algal Bloom?

Thu, 05 Jun 2008 02:14:02 GMT

An innovative solution to a billion-dollar problem has been successfully trialled by Scion. A modified form of zeolite, a natural volcanic mineral, looks set to be a new tool in the campaign to mitigate the effects of nutrient run-off in New Zealand's lakes and waterways.

Topnet - hydrology at a national scale

Tue, 01 Apr 2008 02:23:00 GMT

NIWA has built a hydrological model of all New Zealand river catchments, a major advance towards understanding national water resources.

NIWA helps Sanctuary in the great perch search

Wed, 26 Mar 2008 02:15:29 GMT

Scientists from NIWA will be using state-of-the-art echosounder technology to get to the bottom of a perch problem that has been plaguing Wellington's conservation safe haven, Karori Sanctuary.

Solving the P problem

Fri, 21 Dec 2007 02:10:45 GMT

NIWA scientists are part of team which is finding ways to reduce the phosphorus problem in lakes.

GNS Science lab ranked top in world

Tue, 18 Dec 2007 00:36:16 GMT

A water dating laboratory operated by GNS Science has come out top in an accuracy test in which 70 water dating laboratories around the world participated.

Getting to grips with native freshwater eels

Tue, 27 Nov 2007 02:59:29 GMT

Our native longfin eels appear to be on the decline, and NIWA scientists are hoping to aide their conservation with innovative population models.

River study to measure health

Sat, 17 Nov 2007 22:22:28 GMT

Southland tangata whenua in partnership with Landcare Research are undertaking a two-and-a-half-year project to gather new information on the Mataura River system.

Water quality data - and it's all free!

Wed, 10 Oct 2007 22:54:49 GMT

Need water quality information? NIWA's freely available Water Quality Information System (WQIS) is a sophisticated, map-based database containing all major water quality parameters from 77 river monitoring sites around New Zealand.

Fish-friendly floodgates ready

Wed, 15 Aug 2007 03:57:56 GMT

A NIWA-led team has designed a new floodgate with many benefits, not least for freshwater fish.