Monitoring Freshwater Improvement Actions

Monitoring the effectiveness of interventions and mitigation actions on freshwater improvement

Project Details Ngā taipitopito

Project Status:
Active
Challenge funding:
$2,956,000
Research duration:
July 2020 – March 2021 (proof of concept)
Oct 2021 – Dec 2023 (tool development)

Collaborators Ngā haumi

AgResearch | Aquanet Consulting | Auckland Council | Bay of Plenty Regional Council | Bridger Consulting | Cawthron Institute | DairyNZ | GNS Science | Griffith University | Lincoln University | Ministry for the Environment | Ngati Raukawa | Pokaiwhenua Catchment Board | Waikato Regional Council | Waikato River Authority

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What are we doing?E aha ana mātou?

Many people are taking action to improve freshwater quality through activities such as stream fencing and planting, wetland restoration, and changes in farming practices.

Monitoring the collective effect of these activities on freshwater health has not been standard practice in New Zealand – but it is now urgently required. Government regulations introduced in 2020 require action to be taken to improve freshwater where it is degraded, and task regional councils with monitoring both the mitigation actions and their freshwater outcomes.

Our current freshwater monitoring methods and networks give us information on the health of freshwater over time, but don’t establish cause-and-effect relationships – how improvement actions reduce contaminant loads or improve ecological health, for example. This programme is developing a toolkit to help all groups involved in freshwater improvement actions design monitoring programmes that will measure the success of actions to restore freshwater, and to help them select appropriate monitoring technologies that enable early detection of improvement.

Over time, these monitoring programmes will give people taking action on the ground information on successes and failures of past actions, helping them prioritise the most effective actions to improve freshwater quality, so our rivers more quickly return to good health.

How can the research be used? Ka pēhea e whai take ai te rangahau?

  • The aim of this research programme is to develop a toolkit that helps everyone involved in freshwater improvement actions (councils, iwi, co-governance entities and catchment groups) to robustly monitor rivers, lakes and groundwater aquifers to detect early improvement. These tools will help freshwater stewards and kaitiaki decide what to measure, where, when, with what technology, and understand how much it will cost.
  • Online mapping tools and supporting resources developed by this project will be free for all to use to evaluate and report the effectiveness of activities to restore freshwater health.
  • This research will explore which monitoring technologies and network designs best facilitate a kaupapa Māori approach to detecting the effects of whenua-based mitigation actions on wai Māori.
  • Catchment-based case studies will enable the development and testing of the toolkit in a range of real-life situations. A monitoring programme will be designed with each case study catchment, optimised to assess the success of mitigation actions in that catchment.
  • The toolkit will enable a regional authority to find out whether its existing freshwater monitoring network is suitable to detect early improvement. It will provide guidance on monitoring network design and monitoring technologies that optimise the ability to detect the effects of the mitigation plan.
  • Tools will be developed by the end of 2023. This timeframe will enable the development of mitigation effectiveness monitoring plans in time for inclusion in the next generation of regional plans, which must be publicly notified by the end of 2024.
  • Initial working groups completed in March 2021 delivered proof-of-concept outputs (see Resources, below). These working groups identified what is required to develop functional tools for catchment managers, and the existing or emerging technologies that can be used to successfully monitor the effect of freshwater improvement actions.

Participation & engagement Te hunga i whai wāhi mai

  • Two case study catchments will participate in this research: the Pokaiwhenua catchment (a tributary to the Waikato River) and the Pelorus / Te Hoiere Catchment. The project will engage with the catchment community, including mana whenua, catchment groups, and regional council, to apply and test the tools and resources produced as part of this research in a real-life catchment management context.
  • Case studies involving iwi and hapū will involve wānanga and hui led by tangata tiaki to keep tangata whenua informed and to share research findings.
  • Input into the development of this research was provided via the Implementing Te Mana o Te Wai project, which held wānanga with mātauranga Māori experts from around the country to discuss their relationship with wai, and how this needs to be reflected in the implementation of Te Mana o te Wai.
  • A small digital survey found respondents were interested in a wider range of attributes than are usually monitored, and have different interpretations of success. The general public and Māori groups of respondents reported quite different priorities to people working in local government.

Research team Te hunga i whai wāhi mai

Programme Leader, Implementation Lead
Olivier Ausseil
Aquanet Consulting
Te Ao Māori Lead
Joanne Clapcott
Ngāti Porou
Cawthron Institute
Science Lead
David Hamilton
Griffith University
Mathematics Team Lead
Alasdair Noble
AgResearch
Phase 1 Co-lead
Rogier Westerhoff
GNS Science
Project Manager
Melissa Climo
Bridger Consulting

Tools & resources Ngā utauta me ngā rauemi

Guidance

Designing Freshwater Monitoring Programmes to Detect Early Improvement

This guidance document includes a recommended 5-step process for monitoring the effectiveness of actions to improve freshwater. It summarises the work of the Monitoring Design…
View Guidance
Guidance

Monitoring the Effectiveness of Actions to Improve Freshwater

This short guidance document is to support the design of freshwater monitoring programmes to detect early improvement and is for regional councils, government, and multi-agency…
View Guidance
Interactive Tool

Decision Support Tools

All information repositories, decision support tools and modules that compose the proof-of-concept Monitoring Design Framework are hosted in an online platform (these include a riparian…
View Interactive Tool

Academic outputs He whakaputanga ngaio

Journal Article

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:…
View Journal Article
Technical Report

Measuring the benefits of management actions: Mitigation effectiveness monitoring design (proof of concept phase)

A five-step process was developed to answer the key question asked of Working Group 1:’Have the mitigation actions resulted in improved freshwater outcomes?’. To assist…
View Technical Report

In the media Mai i te ao pāpaho

Farmers Weekly, 26 August 2021
Ausseil says state of the environment monitoring is very good at providing what the current state of freshwater is and what the long-term changes are but because it hasn’t been designed specifically with a mitigation plan in mind, although it might pick up improvements, there’s often a struggle to establish a cause and effect relationship to say exactly what caused the improvement.

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