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Lack of Saltwater in Laguna Lake Equals Hyacinth Boom
The fisherfolk group Pambansang Lakas ng Kilusang Mamamalakaya ng Pilipinas or Pamalakaya on Sunday blamed the excessive proliferation of water hyacinth in Laguna de Bay to the Napindan Hydraulic Control Structure in Taguig City that prevents the entry of saltwater into the 90,000-hectare brackish lake.

Pamalakaya said saltwater that comes from Manila Bay via the Pasig River is essential to Laguna de Bay because it serves as nutrients to maintain the lake’s ecological balance, and brackish water by nature is a combination of fresh and saltwater.

“Since the construction of the Napindan, various pests thrive in the lake, including water hyacinths, snake turtle, knife fish, and janitor fish. All these affect the livelihood of small fisherfolk because predator species such as knife fish and snake turtle prey on small fish preventing them to grow; while the water hyacinths obstruct the movement of fishing boats,” Fernando Hicap, Pamalakaya chairperson, said in a statement. Bill Casas.




 
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Millions of Mayflies Prove Mississippi River is Less Polluted - The millions of mayflies that lit up the La Crosse, Wisconsin, weather radar on July 20 are a sign that the water of the Mississippi River is markedly cleaner than just a few decades ago.


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