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Lagarosiphon: Skyrocketing to the surface!

5/28/2021

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Did you know:

A 10cm piece of Lagarosiphon can regrow to 2 metres in a little as 50-100 days!!

Around 500ha of the lake bed (1/5th of total lake) is suitable for Lagarosiphon and of that 139ha is currently used for recreational use. Lagarosiphon poses many threats to recreation activities, swimmers and biodiversity but is very costly and labour-intensive to manage and eradicate.

Lagarosiphon can regrow from segments of the original plant displaced by human activities such as boats, trailers, fishing and clearing. These segments can quickly establish themselves in silty sediment like that found in Lake Dunstan, Wanaka and Wakatipu.

Lagarosiphon is very expensive and time-consuming to manage, further complicated by the large distribution in Otago. Learn more about Lagarosiphon and the methods used by clicking the links below.

Lagarosiphon
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  • Welcome
  • Projects
    • LINZ 'Jobs for Nature' >
      • Bridge to Bridge >
        • Plants
      • Community Vision Report
    • Community Planting
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    • Ripple Effect: Guest Speakers
    • Community Tool Shed
  • The Issues
    • History of the lake
    • Lagarosiphon
    • Silt/Sediment
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    • Recreation
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    • Biodiversity loss >
      • Protecting our Birds
  • Get Involved
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      • Sponsor Registration
  • About Us
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    • Health and Safety
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