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Researchers are building a laser microscope to try to work out what is causing South Island lakes to become choked with lake snot.
It's been proved for the first time that the snot-like mucus found in some of the country's most pristine lakes is an invasive species. To date the slime has been found in Lake Wanaka, Lake Hawea… Audio
An algal slime known as lake snot is invading some of New Zealand's most iconic lakes, triggering a new study - starting today - to track its spread. Audio
Lake snot algae has appeared in three iconic South Island lakes and is causing problems with recreation and water supply.