Eutrophication — excess nutrients in water — and environmental changes were identified as the cause of the harmful algal blooms in the fresh aquatic system of the Achencoil.
Increasing blanket of mucus-like substance in water threatens coral and fishing industry
By Diana Haecker
Researchers stepping off the research vessel Norseman II in Nome last weekend, brought significant news of having found very high concentrations of a phytoplankton called Alexandrium catenella in regional waters. Alexandrium is an algae that can produce saxitoxins, which can cause dangerous paralytic shellfish poisoning in people. The scientists issued an advisory, notifying Norton Sound Health Corporation, UAF Sea Grant and the Alaska Division of Public Health.
High concentrations of harmful algae called Alexandrium catenella have been detected in the Bering Strait waters near St. Lawrence Island, Wales, and Little Diomede, posing a potential danger to human health and urging caution when consuming certain seafood.
After alerting the region to very high levels of harmful algal blooms west of Kotzebue and Gambell two weeks ago, scientist onboard the research vessel Norseman II have found even higher numbers of Alexandrium catenella algae cells near Wales, Diomede and Shishmaref.
Investigations into the fish die-off and pinkish-purple colour of the Sentosa South Cove waterway earlier this month have found that they were caused by the heavy and persistent rainfall in recent weeks that altered water conditions.. Read more at straitstimes.com.
The Division of Marine Fisheries is analyzing the clams and expects to have preliminary results in the coming days that might point to a cause.
A girl from Paso Robles, California, was bit by a sea lion in Pismo Beach on Friday near the pier. The animal that attacked likely had domoic acid poisoning, and will be treated at the Marine Mammal Center.
Since early February, the gulf, and beaches and islands surrounding it, have been in the throes of one of the worst blooms of red tide in recent years.
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