Fish Kill Essay

Fish kill On January 5, 2008, the Bureau of Fisheries and Aquatic Resources announced that a fish kill at Taal Lake (January 2 to 4) caused the 50 metric tons or ? - Fish Kill Essay introduction ?? 3. 25-million (US$1=?41) loss of cultured tilapia in the villages of Leviste and Balakilong in Laurel and in Barangay Aya and Barangay Quiling inTalisay. 6,000 maliputo fishes (? 230,000) also died at Quiling. Toxic sulfur and high level of hydrogen sulfide in Ambulong while low dissolved oxygen caused the deaths. On May 30, 2011, the Bureau of Fisheries and Aquatic Resources announced a fish kill of 750 metric tons.

According to the scientists, the onset of the rainy season brought a sudden drop on the water temperature, which lowered the oxygen levels on the lake. www. wikipedia. org Ecology Because the lake was until recently connected to the sea, it is home to many endemic species that have evolved and adapted to the desalination of the lake’s waters. The lake has a freshwater-adapted population of trevally, Caranx ignobilis. These fishes, also found in the Pansipit River, are locally calledmaliputo.

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Its most popular endemic species is the overharvested Sardinella tawilis, a freshwater sardine. The two other endemic fish species in Taal Lake are the gobies Gnatholepis volcanus and Rhinogobius flavoventris. www. wikipedia. org MANILA, Philippines – The provincial government of Batangas have begun dismantling illegal fish cages in the Taal lake, said Batangas vice governor Mark Leviste. In an interview with Radyo Inquirer, Leviste said they have dismantled 77 illegal fish cages as of Tuesday, and they expect to dismantle 927 more.

He added that some of the fish cages they dismantled were reinforced with steel, which he claimed is more harmful to the lake’s ecosystem. Leviste added that this will be the last batch of illegal fish cages that they will be dismantling to limit fish cages in the Taal Lake to 6,000. Leviste said that when the provincial government of Batangas began dismantling fish cages during his and Governor Vilma Santos’ first term in office, there were roughly 14,000 fish cages in the Taal lake.

They have reduced this number to 7,000 as of late, and they hope to dismantle 1000 more since the lake can only accommodate 6,000 fish cages. http://newsinfo. inquirer. net/15199/15199 Circular, oversized fish cages removed in Taal Lake The fishkill had been blamed on overstocking. In a statement, the Taal Lake Aquaculture Alliance Inc. said the dismantled fish pens were not part of the 6,000 legitimate fish cages that members of the group owned.

The alliance, a group of more than 1,000 fish cage operators and workers in Taal Lake, said fish cages that its members owned were accredited by the government. Circular fish cages, according to Salac, are more than twice the government-mandated size of fish cages in Taal, which is only 10 x 10 meters. The circular type can also hold 15-20 tons of fish compared with 10 x 10 meter fish cages that can hold only up to 5 tons of fish. Salac said allowing circular fish cages was “not fair to those complying” with the rule on fish cages. http://newsinfo. inquirer. net/171763/

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