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Eastern Visayas remain red tide-free but sudden heavy rains may trigger phenomenon

By Sarwell Q. Meniano

TACLOBAN CITY, May 14 (PNA) – Coastal areas in Eastern Visayas remained free of red tide toxins, but the Bureau of Fisheries and Aquatic Resources (BFAR) warned that sudden rainfall may trigger the phenomenon.

Despite extended season without red tide bloom, BFAR has been conducting weekly water sampling in 10 bays with history of red tide occurrence as part of precautionary measures to ensure the safety of shellfish consumers.

“Based on the latest laboratory reports of BFAR, shellfishes collected along the 10 bays are negative for paralytic shellfish poison,” the bureau’s regional office said in its local shellfish bulletin issued this week.

Tagged as red tide-free are Carigara Bay, Ormoc Bay, San Pedro Bay, Sogod Bay, Irong Irong Bay, Cambatutay Bay, Maqueda Bay, Villareal Bay, Matarinao Bay and Cancabato Bay.

"The prolong dry season this summer if followed by a heavy downpour would trigger red tide bloom due to discharge of waste water from the mountains and residential areas," BFAR regional director Juan Albaladejo explained.

Red tide is a term used to describe all phenomena which the water is discolored by high algal biomass or the concentration of algae. The discoloration may not necessarily be red in color, but it may also appear yellow, brown, green, blue or milky, depending on the organisms involved.

In a national shellfish bulletin, only the Balite Bay in Mati, Davao Oriental is presently positive of red tide. (PNA)


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