Researcher - Our Land & Water - Toitū te Whenua, Toiora te Wai

Quantifying Excess Nitrogen Loads in Fresh Water

At least 43% of New Zealand’s agricultural land (31% of New Zealand’s total land area) is in catchments that are under pressure (‘pressure’ meaning the…

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Connecting communities for effective farm plans – webinar

Land use intensification and the degradation of water quality was enabled by a system that considered all farms separately, despite their cumulative effects on water…

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Bringing people together for diverse land use – webinar

In some catchments, diversification to mixed land uses will be a more pragmatic solution than applying all mitigations on all farms – especially where a…

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Measuring rural community resilience: Case studies in NZ and Vermont, USA

Methods for assessing community resilience have focused predominantly on disaster recovery. There is a need for quantitative measurement tools for assessing community resilience to slow-moving…

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Microbiome innovations for a sustainable future

The United Nations Sustainable Development Goals (SDGs) are being integrated into bioeconomy strategies around the world, including the European Green Deal. We highlight how microbiome-based…

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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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Quantifying contaminant losses to water from pastoral land uses in NZ II: The effects of some farm mitigation actions over the past two decades

In New Zealand the primary sector together with central and local government agencies have been promoting measures to mitigate the adverse effect of farming practices…

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Quantifying contaminant losses to water from pastoral land uses in NZ III: What could be achieved by 2035?

To meet the water quality outcomes sought by catchment communities and regulators, the losses of nitrogen (N), phosphorus (P) and sediment from dairy and sheep/beef…

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Engaging with Agribusiness

The aim of this report is to help researchers amplify their research impact and increase knowledge uptake by businesses, industry bodies and Māori enterprise, via…

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Evidence for the leaching of dissolved organic phosphorus to depth

Phosphorus (P) can leach from topsoil in inorganic and organic forms. While some evidence has shown inorganic P (orthophosphate) can leach to depth in some…

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Seventy years of data from the world’s longest grazed and irrigated pasture trials

Pastures are the most widespread land use, globally. The Winchmore trials were established in 1948–1949 in Canterbury, New Zealand and examined either different rates of…

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Using Cause and Effect Relationships to Enhance Freshwater Management

We’ve summarised research on how Aotearoa’s fresh water responds to stressors into a short Research Findings Brief. Using Lake Hayes near Queenstown as a scenario…

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Researchers