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View Diary: Marine Life Series: Aristotle's Lantern (21 comments)

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  •  re: San Fransico Bay (7+ / 0-)

    I'm on the East coast so I'm not very up to date on pacific urchins. However, my understanding is that when sea otters were heavily hunted (they are a major predator on urchins) the urchin population exploded causing problems with the kelp beds.

    As far as bridges go, this would mostly apply to small bridges with narrow supports. A bridge near me that was replaced had extensive damage due in part to bioerosion from sea urchins.

    •  Nice series Mark. I only got to (2+ / 0-)
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      greeseyparrot, Fabian

      this after the rescue. One thing I have learned about urchins is, that as sashimi, they are the single worst tasting thing on the planet. :)

      Happiness depends on being free, and freedom depends on being courageous. - Thucydides

      by Clive all hat no horse Rodeo on Sat Aug 12, 2006 at 09:24:29 PM PDT

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    •  Here's another for your lost TU (2+ / 0-)
      Recommended by:
      gogol, WI Deadhead

      And thanks for these wonderful diaries.

      Glad you added that disclaimer about the algae aren't plants thing. It was bugging me - bio prof here.

      If I ever get a chance to teach organismal bio again, I can't wait to share some of your diaries with my students - hope that's OK with you.

      Sea urchins . . . my background is developmental biology, and I spent a summer taking a course at the MBL in Woods Hole (one of the cooler experiences of my life). One particularly good memory is mixing sea urchin sperm and eggs in a petrie dish and just watching . . . for several hours . . . the first cell divisions in sea urchin embryos.

      The only thing Republicans do well is take our tax dollars and transfer them to the rich, instead of providing the services we thought we were paying for.

      by Janet Strange on Sat Aug 12, 2006 at 09:27:10 PM PDT

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