Depletion of dissolved oxygen in the pond, along with a high organic load, resulted in the deaths of hundreds of fish, officials said.
Workers collect dead fish in the Dighalipukhuri pond in Guwahati. (Photo: PTI)
Environmental degradation leading to the depletion of dissolved oxygen levels in a pond has claimed the lives of hundreds of fish at Dighalipukhuri in Guwahati, Assam Fisheries Minister Parimal Suklabaidya said on Sunday. A large number of dead fish have been found floating in the body of water since Saturday evening after which the minister had ordered officials from his ministry to visit the place and determine the exact reason.
After examining samples of dead fish and the Dighalipukhuri or long pond in Assamese, officials found that the depletion of dissolved oxygen in the water body associated with a high organic load were the causes of the massive mortality of the fish. Pisces.
“The fish kills were due to a sudden drop in oxygen level and a high organic load in the tank. Upon examination, department officials found that the deaths were not due to poisoning, but to environmental degradation, âSuklabaidya said.
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As a short-term measure, the oxygen level of the water was increased by flowing water using pumps and boats, he added. The dead fish, numbering in the hundreds, have been recovered since the morning and buried in a nearby location.
The Dighalipukhuri, over 500 meters long, is located in the Ambari district of the state’s largest city.
The origin of this dug pond is unclear, with some accounts claiming it dates from the Mahabharata era, while others claim it was dug by the Ahom rulers.
It was originally connected to the Brahmaputra River, which flows alongside Guwahati, and had served as a shipyard during Ahom’s reign.
The canal was then filled during British rule.
Dighalipukhuri, which has boating facilities, is a popular tourist spot in the city.
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