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| | Didymo |
 | | A Biosecurity New Zealand survey of 384 has found new outbreaks of didymo in the Upukerora River, in the Te Anau area, the Gowan River, in the Buller catchment, the Twizel and Ohau Rivers, in the Waitaki catchment, and the Fraser River, in the Clutha catchment. |
 | | Rivers are known to be infested include: Southland's Mararoa and Upukerora, upper and lower Waiau, Aparima and Oreti Rivers; Otago's Von, Hawea, upper Clutha and Fraser rivers; Canterbury's lower Waitaki, Ahuriri, Twizel and Ohau rivers; and the Buller and Gowan rivers in the Tasman District. |
 | | Most river users are sensible people and do not want rock snot in "their" water, so the longer this can be avoided the better. |
| www.geocities.com /ken_sims_98/nzffa/didymo.html (3740 words) |
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