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

A Source-to-sink Contaminant Risk Framework To Support Water Quality Policy Across Scales

In the wrong place, or at excessive concentrations, nutrients (nitrogen and phosphorus) and sediment become contaminants. Along with pathogens, they require reduction to improve water…

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Meteorological drought in Northland, NZ: A regional and local analysis using copulas

Meteorological drought is a significant and recurring hazard in Northland, where eight droughts have been recorded since 1900. An analysis characterised by severity, duration, and…

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Balancing the Push and Pull factors of Land-Use Change: A New Zealand Case-Study

New Zealand is increasingly facing environmental and social challenges associated with its current land-use choices. There is therefore a drive to find ways to continue…

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Challenges and Opportunities for New Zealand Agriculture under Climate Change (2022 update)

Future climate is likely to have a major impact on the primary sector, and has the potential to drive major shifts in land use as…

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Reflecting on the journey of environmental farm planning in NZ

Environmental farm planning in New Zealand dates to the 1950s when soil conversation plans were first undertaken. Since then the extent and complexity of whole…

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Soil nitrogen treatment alters microbiome networks across farm niches

A farm is a collection of interlinked ecological habitats split by locations, including above-ground, below-ground, and animal-associated niches each harbouring unique microbiomes. We examined agricultural…

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Towards implementation of robust monitoring technologies alongside freshwater improvement policy in NZ

International studies point out that some freshwater policy objectives are not achieved. This study describes that this is in part caused by shortcomings that include:…

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The potential for phosphorus loss to groundwater from soils irrigated with dairy factory wastewater

Soils irrigated with phosphorus (P)-rich wastewater can increase the risk of P losses from land to water. We investigated if wastewater-irrigated soils can leach P…

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Supporting the design of useful and relevant holistic frameworks for land use opportunity assessment for indigenous people

Choices about how to use land are critical to efforts to manage water quality in Aotearoa-New Zealand. Māori and non-Māori communities need decision-making frameworks that…

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Crafting collective management institutions in messy real-world settings: A call for action research

There is considerable interest in collective management as a potential solution to complex environmental problems, but existing research offers little guidance for the messy real-world…

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Beyond Sustainable Intensification: Transitioning primary sectors through reconfiguring land-use

Internationally there is a desire to transition farming systems towards more sustainable production in response to global and local social and environmental challenges. This transition…

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Whole-Genome Sequencing and Virulome Analysis of Escherichia coli Isolated from New Zealand Environments of Contrasting Observed Land Use

This study takes a systematic sampling approach to assess the public health risk of Escherichia coli recovered from freshwater sites within forest and farmland. The…

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