Red tide in Philippines

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Published Wednesday, December 6, 2017

THE Honda Bay, Puerto Princesa City in Palawan and parts of the Visayas were found positive for paralytic shellfish poison or “red tide”, the Bureau of Fisheries and Aquatic Resources (BFAR) warned on Wednesday.
“Honda Bay, Puerto Princesa City in Palawan is now positive for red tide toxin,” BFAR said in its Shellfish Bulletin 40 dated December 5.
Also affected were: Daram Island, Irong-Irong Bay, Maqueda Bay, Villareal Bay and Cambatutay Bay in Western Samar; Matarinao Bay in Eastern Samar; Carigara Bay in Leyte; Inner Malampaya Sound, Taytay in Palawan; coastal waters of Mandaon in Masbate; and Bataan coastal waters (Mariveles, Limay, Orion, Pilar, Balanga, Orani, Abucay and Samal).

In a statement, the BFAR said shellfish collected from the following areas tested positive for paralytic shellfish poison that is beyond the regulatory limit.
Last month, BFAR advised the public to "not to harvest, not to sell, not to buy, and not to eat" shellfish from areas affected by the red tide.

"All types of shellfish or alamang gathered from the areas shown above are not safe for human consumption," BFAR Director Eduardo Gongona had said.
"Fish, squids, shrimps, and crabs are safe for human consumption provided that they are fresh and washed thoroughly and internal organs such as gills and intestines are removed before cooking," the statement read.

Red tide is a common name for a phenomenon known as an algal bloom (large concentrations of aquatic microorganisms) when it is caused by a few species of dinoflagellates and the bloom takes on a red or brown color. Red tides are events in which estuarine, marine, or fresh water algae accumulate rapidly in the water column, resulting in coloration of the surface water. It is usually found in coastal areas. It kills many manatees every year.
These algae, a form of phytoplankton, are single-celled protists, plant-like organisms that can form dense, visible patches near the water's surface.
Some red tides are associated with the production of natural toxins, depletion of dissolved oxygen or other harmful effects, and are generally described as harmful algal blooms. The most conspicuous effects of these kinds of red tides are the associated wildlife mortalities of marine and coastal species of fish, birds, marine mammals, and other organisms.
Source: DORRIS

Red tide in Philippines Facts

Power: 0
Affected Area: 400 km.
Alert Level: Red
Category: Env
Response: Avoid
Severity: Extreme
Urgency: Immediate
Certainty: Observed

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