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View Diary: DKos Special Supplement: Plate Tectonics And The World’s Changing Geography (Part 2 of 2) (68 comments)

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  •  species migration patterns too (2+ / 0-)
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    RiveroftheWest, mightymouse

    I recently heard of or read that turtles (I think it was turtles!) who migrate thousands of miles between Africa and South America had a surprisingly shorter journey millions of years ago.

    While many extant species migrations are easily attributed to factors like food resources or reproduction, I wonder how many are nonetheless linked over the eons to the literally ever moving earth beneath their wings/dorsal fins.    

    "The philosophy of conservatism is inevitably doomed by its adherents' willingness to accept bluster as a sign of character and thick-headed devotion to meaningless symbols as sign of moral fiber." (Albert Einstein)

    by Jim R on Tue Apr 16, 2013 at 04:35:06 PM PDT

    •  another big bell ringer. . . (2+ / 0-)
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      RiveroftheWest, Jim R

      your thought-provoking query, Jim R. As before given my response to "whenwego," here is a question worth a lot of thought power. . .your question. I am thinking someone in this community has already turned and burned on this idea and will take this matter to a higher academic level, as a student project. It is certainly worthy of that much, at least. I, however, do not have an answer, but just theories, and if a former student (of mine) who authored "Biological Time" has a say in the matter, he would wholeheartedly concur with your premise. And it was turtle migration that I read and you mentioned given the shorter journey between hops, as it were. Thank you so much for posting this comment.

      Treat the world (yourself, and others) as part of a living organism. Everyone and everything will benefit.

      by richholtzin on Wed Apr 17, 2013 at 06:48:39 AM PDT

      [ Parent ]

      •  It seems logical that natural selection would (1+ / 0-)
        Recommended by:
        RiveroftheWest

        favor members of a given migratory group with certain skills over thousands of generations, ones that developed a different type of intelligence than we can imagine that allow even young whales on their first journeys, for example, to navigate thousands of miles from a “memory” of visual and sound images imbedded in their DNA.

        However, the devil’s advocate position I would proffer is that even long-living species would only experience maybe 8-10 feet ocean floor shift in their lifetimes so they’d have to be incredibly perceptive (although if I move one niknak in our living room the missus spots it immediately!).  

        "The philosophy of conservatism is inevitably doomed by its adherents' willingness to accept bluster as a sign of character and thick-headed devotion to meaningless symbols as sign of moral fiber." (Albert Einstein)

        by Jim R on Wed Apr 17, 2013 at 07:41:40 PM PDT

        [ Parent ]

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