Jakarta –
Mystery 100 tons The fish died suddenly of floating cages of Lake Toba finally exposed. Fish it was thought to have died from strong winds that caused the water to swirl under the lake.
Information about the death of the fish raised by the residents is a concern Samosir Regency Government. The team was then deployed to investigate the cause.
“I have ordered the Agriculture Service and the Environment Service to investigate the causes and volume estimates,” said Acting Regent Samosir Lasro Marbun when asked for confirmation, Friday (23/10/2020).
Lasro said he had ordered the ranks Samosir Regency Government to lift the dead fish first. He was worried carcass fish can pollute water.
“My order to the Department of Agriculture, BPBD, Satpol PP, sub-district head, and kades to lift the carcasses of dead fish so as not to impact the environment. They have implemented,” he said.
However, Lasro has not yet explained the details of the cause of the death of the fish. He said the fish had started to die since Wednesday (21/10).
“If I’m not mistaken starting Wednesday,” said Lasro.
Happened in 2018
Dead fish suddenly this is apparently not the first. In 2018, at least 180 tonnes of fish are estimated to have died.
Meanwhile, in 2015, the Director General of Pollution Control and Environmental Damage at the Ministry of Environment and Forestry at that time, Karliansyah, revealed that his party had checked the condition of Lake Toba in 2014. The results showed that the lake which was a tourist attraction was contaminated with fish feed.
“So in Lake Toba there are many floating cages from companies and indigenous people. From these cages a lot of fish feed is deposited,” said Karliansyah during a conversation, Saturday (6/6/2015).
Fish feed has various organic contents, from nitrogen to phosphorus. The deposition makes it difficult for sunlight to penetrate the lake surface. This is called making fish die.
“The high organic waste needs oxygen to break down. Without oxygen, the fish die,” he said.
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