Freshwater Update 29, July 2009

Welcome to the first e-mail edition of Freshwater Update, produced by NIWA’s National Freshwater Centre. It's a quarterly review and outlook of New Zealand’s freshwater resources, and also features some of our latest freshwater research. In this edition, we feature our highly successful ‘Restoring aquatic environments’ programme.

In this issue

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    Finding the best rivers for native fish

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    Managing phosphorus in lake sediment

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    Other news from the National Freshwater Centre

    Twenty years of monitoring provides insight into our river water quality
    Two decades of monitoring of river water quality by NIWA has provided important information that is helping to care for New Zealand’s iconic rivers.
    Read the full article.
    Listen up! Polluted waterways – the science and the solutions
    In a recent interview, NIWA scientists Drs Rob Davies-Colley and Bob Wilcock, and Murray Gibb (WaterNZ) talk about major water quality issues facing New Zealand, the latest research, and potential solutions to the problem of degraded water quality.
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    Outlook by region, July-September 2009

    Northern North Island
    Normal or above normal soil moisture levels
    and above normal river flows are likely.
    Rest of the North Island
    Normal or above normal soil moisture flows and river levels are likely.
    Northern and southwestern
    South Island
    Normal soil moisture levels and river flows are likely.
    Eastern South Island
    Normal or above normal soil moisture flows and river levels likely.
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    Review of water resources, March-June 2009

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    Shade and fencing key factors for streams’ recovery

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    Traditional Māori fern bundles a better way to catch koura

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    Restoring aquatic habitats – NIWA research highlighted in journal special issue

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    Logs in streams boost koura (freshwater crayfish) numbers and stream recovery