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 total phosphorus in lakes

Phosphorus is an essential nutrient for the growth and development of plants and animals. However, elevated phosphorus concentrations in a lake can lead to eutrophication,…
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Journal Article

Projected wine grape cultivar shifts due to climate change in New Zealand

Climate change has already been affecting the regional suitability of grapevines. This has significant implications for New Zealand. We modeled key crop phenological stages to…
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Journal Article

Attribution of River Water-Quality Trends to Agricultural Land Use and Climate Variability in New Zealand

Trends at 1051 river monitoring sites across New Zealand incrementing annually for time windows of 10 and 20 years over the 28-year period ending 2017…
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Interactive Tool

Kiwifruit in Shanghai, China

Online tool to access and analyse results of a survey of kiwifruit consumers in Shanghai about their consumer behaviour, preferences, technology use, understanding of Māori…
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Journal Article

Anthropogenic increases of catchment nitrogen and phosphorus loads in New Zealand

Spatial regression models were used to predict yields of nitrogen (N) and phosphorus (P) discharged from catchments throughout New Zealand. The models were derived using…
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Journal Article

Plant species rather than elevated atmospheric CO2 impacts rhizosphere properties and phosphorus fractions in a phosphorus deficient soil

By 2050, elevated atmospheric CO2 (eCO2) could stimulate plant growth, but dwindling phosphorus (P) stocks in the soil could limit growth. However, little is known…
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Journal Article

Role of organic anions and phosphatase enzymes in phosphorus acquisition in the rhizosphere of legumes and grasses grown in a low phosphorus pasture soil

Rhizosphere processes play a critical role in phosphorus (P) acquisition by plants and microbes, especially under P-limited conditions. Here, we investigated the impacts of nutrient…
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Journal Article

A Global Database of Soil Plant Available Phosphorus

Soil phosphorus drives food production that is needed to feed a growing global population. However, knowledge of plant available phosphorus stocks at a global scale…
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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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