Our Land and Water

Toitū te Whenua, Toiora te Wai

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Our mission was to preserve the most fundamental treasures of Aotearoa – its land and water – while producing value from those same treasures.

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Interactive Tool

Actions to Include in a Farm Environment Plan

This interactive infographic is a compilation of actions to decrease the loss of contaminants from agricultural land. Mitigation actions can be filtered by any of…
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Summary

Study Shows Dairy Farm Work is Helping Improve Water Quality

The implementation of Good Management Practices on-farm does improve water quality, proves new research that analysed water quality trends over 20 years. As part of…
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Map

Soil erosion losses and contributions from underlying sources/causes

Regional maps of modelled soil loss from surface erosion across Aotearoa New Zealand are provided in .tif fomat for use in GIS. These large .zip files (use 7-zip or…
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Presentation

The next steps for sites with elevated E. coli concentrations above water quality guidelines

Presentation to SWIM special interest group of policy planners and scientists from across 15 regional authorities.
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Journal Article

Does variable rate irrigation decrease nutrient leaching losses from grazed dairy farming?

A six-year study was conducted to determine whether the use of variable rate irrigation (VRI), compared to uniform rate irrigation (URI), could decrease N and…
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Measuring Denitrification In Groundwater

Measuring Denitrification

The development of a method for measuring denitrification is a first for New Zealand, providing vital data for understanding natural denitrification processes
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Guidance

Impacts of sediment on tuna shortfin eel

This is one of a collection of 11 fact sheets bringing together existing scientific information on the impacts of sediment on freshwater and estuarine fish…
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Technical Report

Economic impacts of mitigation options to reduce suspended sediment loads and improve visual clarity in the Wairoa catchment, Hawke's Bay

The Wairoa River is significant to the iwi and hapū of Te Rohe o Te Wairoa, and is valued ecologically as well as for recreation…
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Guidance

A Wai 262 Best Practice Guide for Science partnerships with Kaitiaki for Research Involving Taonga

This guide is to help scientists and researchers ensure they are informed and understand the complexities of the Wai 262 claim. This resource can help…
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Where are we conducting our research?

This interactive map shows the location of all our research projects to help connect you with the research happening in your catchment.

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