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Earth Science

Extreme Heat Has Killed an Estimated 1 Billion Small Sea Creatures (axios.com) 53

The combination of extreme heat and drought that has scorched the Western United States and Canada over the past two weeks has killed hundreds of millions of mussels, clams and other marine animals, the New York Times reports. From a report: An estimated 1 billion small sea creatures died during the heat wave in the Salish Sea at the end of June, according to marine biologist Chris Harley, per the Washington Post. The sea creatures' deaths coincide with the heat wave that hit the Pacific Northwest last week, which led to more than a hundred human deaths. A study by an international team of climate researchers said the heat wave would have been "virtually impossible without human-caused climate change." Mussels attach themselves to rocks and other surfaces, but they generally can't survive temperatures over 100 degrees for extended periods of time, CNN reports.
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Extreme Heat Has Killed an Estimated 1 Billion Small Sea Creatures

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  • It doesn't go to waste.

    • Probably mainly birds but the issue is that after the buffet is finished, the food chain will be rather hard hit for awhile. People often fail to see anything past the immediate which returns to the root of debate about climate change.

      • by smooth wombat ( 796938 ) on Monday July 12, 2021 @12:42PM (#61575839) Journal
        People often fail to see anything past the immediate which returns to the root of debate about climate change.

        It's not just climate change. China, under Mao, failed miserably to see anything past the immediate when it came to killing the four pests [amusingplanet.com], particularly sparrows.
        • I am going to go out on a limb and say Mao wasn't that well advised in science, especially something like ecology. Mao's vision was to modernize China so western nations could stop strong arming them, though even the Japanese were kicking their ass so it's not just the west but there is a century where China suffered severely under the British.

          So the comparison is kind of like saying Roosevelt didn't do enough to avoid the dust bowl. Also these kind of "pest" kill offs aren't that rare for new found leaders

  • you don't have to cook them first

  • Won't somebody please think of the [youtube.com] small sea creatures!?

  • by TheCowSaysMoo ( 4915561 ) on Monday July 12, 2021 @01:51PM (#61576031)

    Mussels attach themselves to rocks and other surfaces, but they generally can't survive temperatures over 100 degrees for extended periods of time, CNN reports.

    Where's the context? The ocean was 100 degrees?! Oh, wait, there's an answer in TFA (and should have been included in the summary)...

    "A very low tide in the afternoon in the Strait of Georgia that happened to coincide with the hottest part of the day, exposing the sea animals to the worst of the extreme heat," the Post reports.

    The CNN article elaborates:

    At this time of the year, low tide hits at the hottest part of the day in the area, so the animals can't make it until the tide comes back in, [zoology professor Christopher Harley] said.

    So, exposure to air at low tide + temps (especially surface temps!) over 100 degrees = fried seafood. Got it! Makes sense!

    • by Strider- ( 39683 )

      Well, CNN is a little wrong there, High and low tides shift about 26 minutes per day due to the combination of the earth spinning on its axis, the earth moving in its orbit, and the moon moving in its orbit. As such, the tides are constantly shifting (but relatively easy to predict mathematically) but it's not "at this time of year." Rather the correct language would be "At this point in the tidal cycle, extra low tides happened to occur in early afternoon, the hottest part of the day."

    • by dryeo ( 100693 )

      Except the CNN article is wrong. Tides follow a lunar cycle (about 50 minutes later each day) and every year is different when it comes to the timing of the tides. This year happened to be an extra low tide in the hot afternoon.
      No one seems to be mentioning that with all the filter feeders dead, there is also likely to be algae blooms and such.

  • One billion from a population of what? 1.00000001 billion? Or trillions? Why is there no context provided to these numbers? What is the narrative or agenda here?

    • by rtb61 ( 674572 )

      This would be the reporting of the first evidence of the impact of heat on the environment. Don't worry you will have plenty more, plants and insects dying off. Don't worry the weed and pest species will spring back first, the predators who kept the numbers down will take longer. You will have an interesting time of it, various plagues of insects, have fun.

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