SUNDAY, April 21, 2024
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Plankton bloom makes sea at Bang Saen beach bright green despite lack of rain

Plankton bloom makes sea at Bang Saen beach bright green despite lack of rain

Plankton bloom, a phenomenon that is usually brought by the rainy season, hit Chonburi’s popular Bang Saen beach on Sunday morning despite there being no rain.

On Sunday, the Facebook page “Chob Jung Bang Saen” (In love with Bang Saen), posted photos of a very green sea at Bang Saen beach.

The photograph of green seawater in a glass was captioned: “Bang Saen is distributing matcha green tea for the first time in 2024.”

Actually, the Institute of Marine Science of Burapha University in Bang Saen had been warning since Saturday that the sea in Bang Saen was turning green. In a Facebook post on Saturday, it said the Bang Saen Telemetering Station had detected that the level of chlorophyll A at the beach had tripled on Friday night. It said the sea had turned partially green near Ratchanavi Bridge or the Bang Saen walking street.

Plankton bloom makes sea at Bang Saen beach bright green despite lack of rain Upon checking the water quality on Saturday morning, it found 6,143 cells of Noctiluca scintillans or “sea sparkle” per litre of water.

As of Saturday morning, the sea quality at Bang Saen was still safe for swimmers, the institute said.

Dr Thon Thamrongnawasawat, a marine expert from Kasetsart University’s Faculty of Fisheries, had earlier said that though plankton bloom usually occurs in the rainy season, it can be encountered in other seasons too due to human factors.

Plankton bloom makes sea at Bang Saen beach bright green despite lack of rain

For instance, he said, wastewater released by humans into the sea contains a lot of food for bacteria and can thus cause the plankton to reproduce fast.

Plankton bloom makes sea at Bang Saen beach bright green despite lack of rain

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