Te Kūwaha and Māori

Sharing knowledge with Māori communities and empowering Māori business with the latest science.

We are NIWA, Taihoro Nukurangi - Te Reo
Te Kūwaha, NIWA’s National Centre for Māori Environmental Research is a dedicated Māori research team, with a vision to work in partnership with others to enable complementary knowledge systems to support kaitiakitanga and provide environmental research excellence that enhances the social, environmental and economic aspirations of whānau, hapū and iwi, Māori communities and Māori business.

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    Tuna - Aquaculture

    On a global scale, market demand for eels as a foodstuff is high and declines in wild eel production mean that aquaculture is being put forward as a potential provider.
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    Tuna - customary fisheries regulations

    Tangata whenua in the North and Chatham Islands may customarily fish under Regulation 27A, Fisheries (Amateur Fishing) Regulations 1986 in areas that are not yet covered by the Fisheries (Kaimoana Customary Fishing) Regulations 1998.
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    Tuna - willow as habitat for tuna

    From about the 1840s, willows (Salix spp.) were introduced to New Zealand by early settlers.
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    Tuna - worldwide distribution

    It is thought freshwater eels were originally marine fish which adapted to live most of their lives in fresh water, and that the present distribution of the 18 species of freshwater eel is largely a result of continental drift.
  • Tuna - case studies

    Showcasing tuna research and restoration initiatives being undertaken around New Zealand.
  • Tuna - considerations for data collection

    Finding and collating information that already may exist for the lake, river or stream you are interested in, choosing the right sampling methods, and making sure that the data you work hard to collect is stored safely are all important things to consider in your monitoring programme.
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    Tuna - sampling methods

    There are a range of different sampling methods which can be used, including electric fishing, fyke nets, Gee-Minnow traps, scoop nets, whitebait nets and observation.
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    Tuna - site selection and timing

    Site selection and timing are important factors to consider when designing a representative sampling strategy .
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    Tuna - defining your research questions

    Defining your research questions is the first place to start when designing a survey.
  • Tuna - monitoring

    In this section, we look at defining your research questions, site selection and timing, sampling methods, and considerations for data collection.
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    Tuna - acknowledgements

    Since NIWA was established as a Crown Research Institute in 1992, the organisation has been fortunate to receive funding to undertake research that continues to increase our understanding of a fascinating and incredibly important taonga freshwater fish.
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    Tuna - databases and resources