View Our Strategy Document 2019 – 2024
May 02, 2024
Resources related to
Mitigation
Manaaka Whenua
There are more than 40 known and developing mitigation actions that go beyond industry good practice to reduce contaminants entering our waterways. These resources can help you identify and target appropriate mitigations, and discover new research on possible outcomes when they are applied.
Showing 1 - 12 of 183 results
Journal Article
Why are median phosphorus concentrations improving in New Zealand streams and rivers?
Between 2004 and 2013 phosphorus concentrations decreased at 65% of the 304 sites monitored. Our research found the most probable causes of improvement were that…
Guidance
What You Can Do In The City
We are all guardians of New Zealand’s land and water. At home and work, even in the city, there are lots of big and small…
Journal Article
The efficacy of good practice to prevent long-term leaching losses of phosphorus from an irrigated dairy farm
We measured P fractions in leachate at 70cm depth from two soils of low-P sorption capacity in an intensively grazed dairy farm. In response to…
Journal Article
Direct exports of phosphorus from fertilizers applied to grazed pastures in Australasia
The 4R concept was developed to help mitigate P exports. This review investigates the factors affecting P exports soon after the application of mineral fertilizers…
Journal Article
A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions
The evolution of phosphorus (P) management decision support tools and systems has been most strongly affected in developed regions by national strategies (i) to optimize…
Method
A Heuristic Method for Determining Changes of Source Loads to Comply with Water Quality Limits in Catchments
A common land and water management task is to determine where and by how much source loadings need to change to meet water quality limits…
Journal Article
Demonstrating efficacy of on-land management actions to improve water quality: How can we quantify what actions have been done?
We reviewed 91 global publications and proceedings between 1989 and 2019 which assessed the complexities related to recording and reporting sustainable land use actions with…
Journal Article
Implications of water quality policy on land use: A case study of the approach in NZ
Achieving good water quality through output controls is difficult. The New Zealand Government recently proposed enforceable bottom lines to protect ecosystem health of 1 mg…
Interactive Tool
Map of Total Nitrogen Excess and Reduction Potential
An interactive map shows the total nitrogen (TN) in excess of current national rules and the potential for mitigation strategies to reduce TN losses from…
Journal Article
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…
Journal Article
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…
Summary
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…