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

Strategies to improve the efficiency and decrease the negative environmental impacts from phosphorous fertiliser use

This report is part of an Our Land and Water National Science Challenge funded project identifying strategies to improve phosphorus (P) use efficiency, decrease the…
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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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Interoperable Modelling

Interoperable Modelling

Designing an open source modelling system to assess productivity potential and water quality contaminant dynamics at farm and catchment scales
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Technical Report

SedNetNZ, SLUI and contaminant generation. Part 2: Nitrogen, phosphorus and E. coli

Horizons Regional Council (HRC) requested Manaaki Whenua – Landcare Research (MWLR) to update SedNetNZ for the HRC region and use the results to assess the…
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Journal Article

A review of the development and implementation of the critical source area concept: A reflection of Andrew Sharpley’s role in improving water quality

Critical source areas (CSAs) are small areas of a field, farm, or catchment that account for most contaminant loss by having both a high contaminant…
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Summary

Alternative Feeds to Hit Emissions Targets

Agricultural emissions targets could be met by 2030 by increasing brassica and grains in cattle diets by 20–30%, with stocking rates reduced just 5%, finds…
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Video

Wai 262 opportunities for National Science Challenges – webinar

Te Pae Kahurangi, the government’s 2020 CRI review, has signalled changes ahead. While the future of National Science Challenges is unclear, there is still much…
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Workforce Implications

Workforce Implications of Land-Use Change

Investigating workforce as a constraint on land-use changes
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Technical Report

Biological test of soil health using molecular techniques: Final report

During the feasibility stage of the project, we were able to identify suitable primers for the most common earthworms found within each earthworm ecological group…
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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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