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Toxic algae warning for Nelson river

NZ NewswireNZ Newswire 10/11/2016

A toxic algae warning has been issued for the lower Maitai River in Nelson, with people being told to avoid letting children and dogs play or swim in the section below Branford Park.

The city council says the reason is increased levels of cyanobacteria, also known as blue-green algae, which is naturally occurring and present in rivers at this time of the year.

It says heavy rain can flush the algae downstream and council officers will be monitoring algae levels weekly.

Cyanobacteria produces the neurotoxin anatoxin, which is potentially lethal to dogs, stock and humans when ingested in large amounts.

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