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    Native fish in Northland: application of the River Values Assessment System (RiVAS and RiVAS+)

    Hughey, Kenneth F. D.; Goodwin, E.; Burkepile, N.; Glover, N.; Griffin, B.; Hawkins, K.; Jones, K.; McGlynn, M.; Nicholson, C.; Poynter, M.
    Abstract
    The fourth application of the River Values Assessment System (RiVAS and RiVAS+) for native fisheries value was made in the Northland region. Data for nine out of ten indicators were provided from modelling undertaken by Cawthron Institute using a variety of databases including the NZFFD and FENZ. The expert panel then checked the modelling results and adjusted where appropriate based on local knowledge, and it populated the Population Stronghold indicator. Of 27 river catchment/clusters evaluated, nine were considered of national significance, namely the Bay of Islands North, Bay of Islands South, East Coast, Herekino, Hokianga, Mangamuka, Waihou, Waipoua and Wairoa. The Wairoa scored very poorly for all attributes other than presence of many at risk species. The remaining 18 are of regional significance. No river catchment/clusters were identified as being of local significance. The RIVAS+ identified work that can be done to reduce the inference on migratory fish movements caused by a barrier on the Waipoua River.... [Show full abstract]
    Keywords
    River Values Assessment System (RiVAS); native fisheries; Northland; rivers; Native fish
    Fields of Research
    0704 Fisheries Sciences; 050209 Natural Resource Management; 060204 Freshwater Ecology
    Date
    2013-07
    Type
    Report (Technical Report)
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    • Land Environment & People Research Paper series [30]
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    ©LEaP, Lincoln University, New Zealand 2013. This information may be copied or reproduced electronically and distributed to others without restriction, provided LEaP, Lincoln University is acknowledged as the source of information. Under no circumstances may a charge be made for this information without the express permission of LEaP, Lincoln University, New Zealand
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