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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Video

Overview of Regenerative Agriculture in Aotearoa

The 1st webinar in a series of 5 about regenerative agriculture in New Zealand, held on 26 October 2021. Speakers: Dr Gwen Grelet (Manaaki Whenua…
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Technical Report

The Power of the Current Monitoring Network to Detect Nitrate Reductions in the Selwyn-Waihora Zone

Plan Change 1 (PC1) of the Canterbury Land andWater Regional Plan included requirements for farmers in the Selwyn-Waihora catchment to reduce nitrate discharges to groundwater…
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Journal Article

The potential for potassium chloride fertiliser applications to leach cadmium from a grazed pasture soil

Cadmium (Cd) is a biotoxic element that can enter the human food chain via plants grown in Cd-enriched soil. Chloride (Cl) can solubilise Cd in…
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Model

Scenario design of New Zealand future agriculture

We have developed a simple decision-support tool that is the first to represent the whole agricultural system of New Zealand at the national scale. The…
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Summary

Consumers’ Willingness to Pay for Sustainability and Other Attributes

Evidence gathered by four separate Our Land and Water research programmes has found that food shoppers in New Zealand’s key export markets do value attributes…
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Journal Article

High-resolution genomic analysis to investigate the impact of the invasive brushtail possum (Trichosurus vulpecula) and other wildlife on microbial water quality assessments

Escherichia coli are routine indicators of fecal contamination in water quality assessments. Contrary to livestock and human activities, brushtail possums (Trichosurus vulpecula), common invasive marsupials in…
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Journal Article

Soil hydraulic modelling outcomes with four parameterization methods: Comparing soil description and data inversion approaches

Different methods for parameterizing soil hydraulic models can lead to substantially varied predictions of soil–plant–atmosphere water fluxes. This study investigated, for a heterogeneous stony soil,…
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Credence Attributes On Farm

What are the on-farm impacts of changing food production systems to deliver additional attributes that are meaningful and valuable to consumers?
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Journal Article

CLUES model calibration: residual analysis to investigate potential sources of model error

This paper presents the results of the latest calibrations of the CLUES model for each of total nitrogen, total phosphorus and Escherichia coli. CLUES has…
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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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