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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Journal Article

Reducing phosphorus losses from agricultural land to surface water

Enrichment of surface waters with phosphorus (P) leads to algal growth and eutrophication. About 27% of agricultural land exceeds optimal soil P levels, posing a risk of P loss to surface waters. Agricultural…
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Guidance

Monitoring visual water clarity in lakes

Visual water clarity is a measure of the ability of light to travel through water. Visual clarity in lakes may be reduced due to suspended…
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Guidance

Impacts of sediment on freshwater and estuarine and freshwater fish species

Sediment can affect freshwater and estuarine fish used for m­ahinga kai. This collection of fact sheets bring together existing scientific information on these effects, along…
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Journal Article

Growing for good: Producing a healthy, low greenhouse gas and water quality footprint diet in Aotearoa

Food production plays a central role in the health of humanity and our environment. New Zealand produces a large amount of food, but it is…
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Journal Article

Suitability of six extraction methods for isolating a large quantity of high-quality RNA from NZ free-draining stony soil

High-quality RNA from soil is essential for investigating the functionality of soil microbial communities. The affordability the RNA-Seq method enables innovative studies of whole ecosystems…
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Journal Article

Geographically-explicit, dynamic partial equilibrium model of regional primary value chains – Mathematical formulation and application to forestry in Northland region of New Zealand

This paper lays out the mathematical foundation of the Primary Value Chains (PVC) model, which is a geographically explicit, dynamic partial equilibrium model of regional…
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Infographic

Summary: Food Quality and Safety from Regenerative Farms

A 2-page visual summary on assessing how regen ag might impact on food quality and safety, and how to assess that.
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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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