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Home / Hawkes Bay Today

Pink sea: Algal blooms in Napier turn the water pink

By Sahiban Hyde
Hawkes Bay Today·
18 Oct, 2021 02:36 AMQuick Read

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Algal bloom in West quay, Ahuriri, Napier. Photo / Warren Buckland

Algal bloom in West quay, Ahuriri, Napier. Photo / Warren Buckland

Head to West Quay in Napier and you might see the water light up a shade of pink.

On Monday, the water around West Quay was a shade of bright pink, noticeable at the far southern end of the bar strip.

Hawke's Bay Regional Council team leader marine and coasts Anna Madarasz-Smith said the discolouration was an algal bloom.

"It's common to Hawke's Bay after periods of rain followed by warm temperatures.

"Algal blooms are a natural occurrence and provide a source of food into the ocean. While they are natural events, they can be increased by land based inputs.

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"The algae is known as Noctiluca scintillans, and it has bio-luminescence, it sparkles at night when it's moved."

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