Tests of razor clams gathered from Chignik Lagoon found levels of saxitoxin — the toxin that causes paralytic shellfish poisoning — nearly eight times the limit for safe consumption, according to testing arranged by the Knik Tribal Council.
Also gathered there and likely to have high levels of saxitoxin were butter clams, a species known for holding the toxins for extended time periods – and also an important food source for The high toxin reading coincided with a quick warmup of Gulf of Alaska waters, said Bruce Wright, senior scientist with the Knik Tribal Council., needs some warmth to bloom, Wright said. “Alexandrium blooms can take off when you have sea surface temperatures that are about 8 degrees Celsius,” or 46.
Wright has studied and monitored algal toxins for several years. He is a former University of Alaska professor, NOAA scientist and senior scientist for the Aleutian Pribilof Islands Association. Now in his scientific role with the Knik Tribal Council, he coordinates the “I always want people to not eat the subsistence clams or mussels unless they’re sent in a sample for testing,” Wright said.
Along with monitoring shellfish safety, Wright is focusing this year on a related subject: the levels of algal toxins being encountered by salmon, a subject just starting to be Of particular concern are king salmon and silver salmon, which feed on sand lance, a type of fish known to absorb algal toxins. “Sand lance is a forage fish that moves the toxins through the food web,” he said.
Österreich Neuesten Nachrichten, Österreich Schlagzeilen
Similar News:Sie können auch ähnliche Nachrichten wie diese lesen, die wir aus anderen Nachrichtenquellen gesammelt haben.
As drive-through testing sites close, Alaska begins ‘privatizing COVID’ - Alaska Public MediaMost drive-up COVID testing sites in Anchorage are set to close by June 30 as demand drops and funding runs out. The few sites that will stay open aren’t offering testing to uninsured Alaskans.
Weiterlesen »
August trial set for former Alaska legislator Gabrielle LeDoux, accused of elections misdeeds - Alaska Public MediaA former Alaska legislator accused of voter misconduct will have a trial in August. Former Anchorage Rep. Gabrielle LeDoux faces five charges of first-degree voter misconduct and seven charges of second-degree unlawful interference with voting.
Weiterlesen »
Alaska News Nightly: Tuesday, June 21, 2022 - Alaska Public MediaTonight on Alaska News Nightly... Alaska State Troopers and local police officers fatally shoot a man in Fairbanks. And most drive-through COVID testing sites in Anchorage will close by the end of the month. Listen here:
Weiterlesen »
In this Anchorage summer school classroom, ‘academic confidence’ is the goal - Alaska Public MediaAnchorage School District leaders say summer school is an opportunity to gain math and reading skills — and to boost students’ confidence — after two years of the pandemic.
Weiterlesen »
Gov. Dunleavy says he hasn't decided if he'll sign the tribal recognition bill - Alaska Public MediaGov. Mike Dunleavy says he hasn't decided whether to sign legislation that would require the state government to recognize Alaska’s federally recognized tribes as sovereign nations and engage with them on a government-to-government basis.
Weiterlesen »
Officers shoot and kill driver in Fairbanks after he pulled gun, troopers say - Alaska Public MediaOfficers shot and killed a driver in Fairbanks on Monday after he pointed a handgun at his passenger, according to Alaska State Troopers.
Weiterlesen »