Programme and engagement reports
Ngā Awa annual reports summarise the year’s progress and highlights for each river:
- Ngā Awa annual report for 2023/24 (PDF, 1,803K)
- Ngā Awa programme report for 2022/23 (PDF, 2,081K)
- Ngā Awa programme report for 2021/2022 (PDF, 2,000K)
- Ngā Awa programme report for 2020/2021 (PDF, 1,000K)
Engagement reports are a summary of engagement at each river and the programme overall:
Vision and objectives of the programme:
Research reports
Research commissioned by Ngā Awa supports our river restoration work in the following areas:
- Climate change resilience
- River geomorphology
- Socioeconomic drivers
- Monitoring needs
- Catchment surveys and baseline reports
Climate change resilience
Doubtless Bay Rivers
- Further advice on revegetation options for the Awapoko, Oruru, and Oruaiti catchments in Doubtless Bay, Northland (PDF, 3,102K)
- Doubtless Bay Ngā Awa revegetation options, 2024 (PDF, 6,438K)
Taiari River
- Climate change vulnerability assessment of freshwater ecosystems and values, and management options, 2024 (PDF, 24,239K)
- Climate change impacts and risks, 2023 (PDF, 18,671K)
- Matatū ki te taiao, climate resilience strategy. Summaries of workshops held in 2022 and 2023 (PDF, 1,851K)
River geomorphology
Various
Doubtless Bay Rivers
Whanganui River
- Wānanga to explore solutions to the issue of high levels of suspended sediment in the river, 2024 (PDF, 5,382K)
- Exploring gravel movement and channel change from 1940s to 2016
Socioeconomic drivers
Doubtless Bay and Waipoua Rivers
Taiari River
- The LUDO (land use diversification opportunities) project in 2023 created a decision-support tool, podcasts and videos to help farmers look at opportunities to diversify within their current systems. Taieri LUDO Project - The Whole Story
Monitoring needs
A report and online tool to monitor the effectiveness of freshwater restoration projects.
- Freshwater biodiversity monitoring tool
- Jobs For Nature biodiversity monitoring report (PDF, 4,114K)
Catchment surveys and baseline reports
Waipoua River
- Waipoua stream biodiversity: a light trapping exercise for adult EPT insects, 2024 (PDF, 2,391K)
- Waipoua macroinvertebrate reassessment: 2023 vs 1994 historical data (PDF, 6,339K)
- Aquatic life, habitat and water quality at 20 sites, 2023 (PDF, 3,575K)
Whanganui River
- Engineering report with potential improvements to atutahi spawning habitat, 2024 (PDF, 7,263K)
- Assessment of atutahi (īnanga) spawning habitat, 2022 (PDF, 3,116K)
- Identification of inanga spawning sites in the lower catchment, 2019 (PDF, 17,399K)
- Assessment of the ecological health of the catchment, 2021/22 (PDF, 3,238K)
- Review of the fisheries and biodiversity of the river, 2021 (PDF, 17,391K)
Waikanae River
- Waikanae ecological monitoring: Aquatic weed survey 2025 (PDF, 4,335K)
- Waikanae ecological monitoring: Inanga spawning survey 2025 (PDF, 8,886K)
- River health monitoring in 2024 (PDF, 3,052K)
- River health monitoring in 2023 (PDF, 3,210K)
- Review of river biodiversity in 2022 (PDF, 5,634K)
Arahura River
- Te Oha Haumanu o Te Awa Arahura: Arahura River baseline report, 2020 (PDF, 11,282K)
- Survey of īnanga spawning sites, 2020 (PDF, 4,803K)
- Salinity of the river mouth lagoon system, 2020 (PDF, 3,697K)
Rakitata River
- Hapua fish survey, with a focus on Stokell’s smelt, November 2020 (PDF, 2,512K)
- Survey of upland longjaw galaxiids in the upper river, 2020 (PDF, 10,999K)
- Catchment summary and baseline report, 2019 (PDF, 2,090K)
- Fish and invertebrate surveys 2018–19 (PDF, 1,426K)
Taiari River
- Survey of kanakana (Geotria australis, piharau, pouched lamprey) distribution, 2023 (PDF, 4,660K)
- Catchment summary with conservation values, issues and priorities for action, 2020 (PDF, 2,531K)