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Many fishing and diving areas across the whole of South East Asia, already severely damaged from the impact of dynamite fishing, have been ruined or totally lost through cyanide fishing. Cyanide concentration slows photosynthesis in zooxanthellae, which results in coral reefs losing colour; it also eliminates one of their major food sources. [1]
The process of cyanide fishing involves dissolving crushed cyanide tablets and squirting this solution from a bottle toward the targeted fish on top of coral heads. Specifically, the cyanide kills coral polyps, symbiotic algae, and other coral reefs organisms that are necessary for maintaining the health of the coral reef.
Cyanide fishing is a method to capture live fish for the international aquarium trade and, more recently, to supply restaurant demand for live reef fish. [11] This method involves spraying sodium cyanide into the targeted fish's habitat as a way to stun the fish without killing them. [ 12 ]
The unanimous vote by the Pacific Fishery Management Council, the authority responsible for setting Pacific salmon seasons, is a blow to the state fishing industry that supports tens of thousands ...
The reef area is 51,020 square kilometers. Of that amount, 82% of it is at risk. Indonesia holds 17% of the world's total coral reef areas. Blast fishing, which has been illegal since 1985 still goes on today, along with cyanide fishing (1995). Another factor that is hurting the coral reefs in Indonesia is the amount of coral that they export.
State and federal government policies that favor farms have done far more damage to the salmon fishery than drought, another sign that California's water rights need rethinking.
Name Location Dependent population Description Sources of pollution Impact Bharalu River: Assam, India: One of the most polluted rivers in the state of Assam. [19] The biochemical oxygen demand of the river is 52 mg/L in compared to the permissible limit set by the National River Conservation Directorate (NRCD) at 3 mg/L. [20]
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