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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Guidance

Monitoring periphyton in rivers

Periphyton is the brown or green slime that grows on stones, wood or any other stable surfaces in streams and rivers. In some situations, it…
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Journal Article

Assessment of excess N2 for quantifying actual denitrification in NZ groundwater systems

Denitrification in groundwaters is a key nitrate (NO3) attenuation process, where leached NO3 can be reduced to gaseous forms of nitrogen (N2). In this study,…
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Technical Report

Predicting Land-Based Nitrogen Loads and Attenuation in the Rangitikei River Catchment – the model development

We investigated and developed a simple model to account for the influence of different soil types and underlying geology on the transformation of nitrogen (N)…
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Video

Drought: What Does the Future Look Like for Farmers and Growers?

This webinar covered recent drought projections for New Zealand to the end of this century, describing a wetter west and drier east (particularly in winter),…
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Presentation

Framework assessment for water quality

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

Creating a Diverse and Sustainable Dairy Farming and Forestry Landscape (video)

This short video features Graham Smith, a Waikato dairy farmer whose farm played host to one of last year's Rural Professionals Fund Projects. The project…
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Journal Article

The effectiveness of streambank fencing to improve microbial water quality: a review

This literature review collates published data on the effectiveness of fencing stock out of waterways to reduce faecal indicator bacteria concentrations in streams. Eighteen suitable…
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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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