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

Six Criteria for Selecting Fit-for-Purpose Indicators

For OLW research, there are six criteria that are the most important for ensuring indicators are useful. Fit-for-purpose indicators are: accepted by stakeholders, valid, clearly…
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Technical Report

A pathway to Multilateral Data Sharing: Understanding and overcoming barriers to MLDS in New Zealand’s primary industries

Drawing from lessons of past attempts at data sharing, international experiences, multilateral trade agreements, game theory, and considerations of Te Mana Raraunga Principles of Māori…
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Presentation

Land-use effects on aquatic ecosystems – strengthening the evidence base

NZ Freshwater Sciences Conference, December 2018
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Guidance

Towards a Physiographic Map: Information for Regional Councils

Physiographic Environments of New Zealand research is developing a cost-effective technique to measure and map (as an integrated physiographic layer) how features of the natural…
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Summary

Extreme Weather a Critical Concern for Next Decade of Farming, Experts Say

One year after the widespread devastation caused by the catastrophic flooding of cyclone Gabrielle, a new report finds that primary sector experts are deeply concerned…
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Journal Article

Dynamics of phosphorus exchange between sediment and water in a gravel-bed river

Phosphorus (P) stores in gravel-bed rivers are released for uptake by periphyton when pH levels exceed 8.5. The Tukituki River has low alkalinity water and…
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Technical Report

Faecal source tracking to understand the role of introduced predators and avian species on water quality assessments in the Makiriri Reserve, Dannevirke

Escherichia coli are used as indicators of faecal contamination in water quality assessments, but ‘naturalised' non-faecal E. coli and non-pathogenic E. coli-like bacteria can confound…
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Video

Wai 262 opportunities for National Science Challenges – webinar

Te Pae Kahurangi, the government’s 2020 CRI review, has signalled changes ahead. While the future of National Science Challenges is unclear, there is still much…
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Summary

Assessing the Effectiveness of On-Farm Mitigation Actions

This research summary describes how effective on-farm mitigations have been so far, by comparing losses of nitrogen (N), phosphorus (P) and sediment in 1995 and…
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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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