Unprecedented Plankton Surge Leads to Marine 'Dead Zone' off Eastern Thailand

CHONBURI, Thailand, Sept 20 - An extraordinary plankton spectacle off the eastern shores of Thailand has painted an aquatic canvas of vibrant life, though it poses some challenges for local mussel farmers in the region.

Marine researchers have marveled at the unusual phenomenon, as certain parts of the Gulf of Thailand are currently experiencing a plankton population surge exceeding ten times the typical levels. The result? The waters have transformed into a dazzling shade of green, and while this may be captivating, it has repercussions for marine ecosystems.

"It's quite a sight to behold," exclaimed marine scientist Tanuspong Pokavanich. "This is unlike anything I've seen before, and it's making waves."

Plankton blooms are an occasional natural event that occurs once or twice a year, usually lasting a mere two to three days. These colorful congregations can sometimes release toxins that affect the environment or create dead zones by depleting oxygen and blocking sunlight, which can be detrimental to marine life.

Chonburi's coastline is renowned for its thriving mussel farms, and this spectacular plankton bloom has affected more than 80% of the nearly 300 plots in the area, according to Satitchat Thimkrajong, president of the Chonburi Fisheries Association.

Fisherman Suchat Buwat, whose plot was among those impacted, lamented the financial losses he has incurred, totaling more than 500,000 baht ($14,000). His fellow fishers are also grappling with losses that seem almost beyond comprehension.

Although the precise cause of this intense plankton bloom remains somewhat mysterious, experts suspect that pollution and the heightened temperatures linked to climate change may play pivotal roles.

"El Niño, for instance, triggers drought and raises sea temperatures," Tanuspong explained. "It's imperative that we rethink how we manage our resources, address water waste, and adapt our lifestyles, or the situation may worsen."

Earlier this year, another plankton bloom made headlines when it led to thousands of deceased fish washing ashore along a stretch of beach in Thailand's southern Chumphon province. Climate change was singled out as a catalyst for this natural spectacle.

Globally, marine heatwaves have become a growing concern this year, with thousands of lifeless fish appearing on Texan beaches and experts cautioning about potential algal blooms along the British coast due to rising sea temperatures. It seems our oceans are speaking loudly, and it's time for us to listen and act.

​Source: Reuters (Reporting by Napat Wesshasartar)