Our Land and Water

Toitū te Whenua, Toiora te Wai

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Our Land and Water has now ended.
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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Technical Report

Optimising on-farm nitrogen management in the face of regulated fertiliser input

The key purpose of this project was to investigate how farmers had responded to the regulatory capping of synthetic nitrogen fertiliser at a maximum of…
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Connecting Soil Water Quality

Connecting Soil and Water Quality

Linking soil quality and water quality to low and high N-pressure catchments
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This project has produced
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Journal Article

Reducing Uncertainty of Groundwater Redox Condition Predictions at National Scale, for Decision Making and Policy

Understanding hydrogeochemical heterogeneity, associated with natural nitrate attenuation, is an integral part of implementing integrated land and water management on a regional or national scale.…
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Impact Feed Shortages

Impact of Imported Feed Shortages

Implications of global price and supply of supplementary feeds on the New Zealand agricultural sector
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This project has produced
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Journal Article

The longevity of fencing out livestock as a method of decreasing contaminant concentrations in a headwater stream

Water quality can be improved by fencing off streams from livestock. However, the remedial effect of fencing can fail as livestock trample near stream areas.…
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Interactive Tool

Our Environment: Crop Suitability

Our Environment is a web-based tool that makes environmental information available to users. It has a simplified GIS interface to allow users to spatially explore…
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Technical Report

Farm Soil Health: assessment across a forestry to pasture chronosequence

Ngai Tahu farming have the goal to maintain the life sustaining capacity of soils during the change from forestry (P. radiata) to pasture agriculture. Sites…
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Journal Article

A copula-based analysis of severity-duration-frequency of droughts in six climatic regions of NZ

We used a copula to model the joint drought duration-severity distribution and frequency to generate SDF curves for six locations in different climatic regions (3…
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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.

Hover over regions and click to see key information about the projects.

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