Rivers and streams

A report on a study commissioned by the Northland Regioanl Council to identify whether there is a need to monitor Northland rivers for pesticides.
Published: 04 Feb 2008
A report on introduced freshwater fish currently occurring in Northland.
Published: 23 Feb 2016
River Hydraulic Habitat Simulation assessment for the Waitangi, Mangere and Hatea catchments.
Published: 08 Mar 2016
This report presents the results of the 2008 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by NorthTec (Applied & Environmental Sciences Department)...
Published: 22 Jun 2011
This report presents the results of the 2009 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.
Published: 22 Jun 2011
This report presents the results of the 2010 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.
Published: 22 Jun 2011
This report presents the results of the 2011 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.
Published: 08 Nov 2011
This report presents results of the 2013 round of the Northland Macroinvertebrate Monitoring Programme.
Published: 13 Nov 2013
Northland River Water Quality Monitoring Network - 2010 State and Trends
Published: 06 Jul 2011
Annual monitoring report on river water quality 2008-2009
Published: 17 Jun 2011
Results of monitoring various freshwater sites around Northland in 2010 and 2012
Published: 10 Jun 2013
Results of monitoring various freshwater sites around Northland in 2008 and 2010.
Published: 23 Nov 2011
Water quality and land use trends in the Puwera catchment 2006-2011
Published: 12 Nov 2013
The River Values Assessment System (RiVAS) is a tool that has been developed in New Zealand to help councils rank the relative significance of rivers in their region in relation to...
Published: 26 Sep 2013
A snapshot on the current state of water quality and ecosystem health at monitoring sites in Northland.
Published: 23 May 2014
An update on the water quality in the Taumarere Catchment.
Published: 18 Jan 2018
This report identifies the extent and likely cause of poor water quality in the Waipu
Published: 29 May 2012