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Author: Subject: Rock walls in Itertidal - a possible explanation
caj13
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[*] posted on 10-18-2019 at 01:42 PM
Rock walls in Itertidal - a possible explanation


I believe it was Harald who posted photos of rock "walls" just underwater in the intertidal, and there was some great speculation and postulating about how and mostly why!

For those here who listen to Communist Radio (NPR) there was a very interesting segment today on Science Friday.

I'm hoping they post the audio, for now just a short summary - but indigenous peoples of the Pacific northwest built "clam gardens" by rolling rocks into the intertidal and making walls, which filled in with sand etc, and made perfect conditions for claims. They demonstrably increased yields tremendously, not only by upping populations, but by accelerating growth rates as well!

I couldn't help thinking of those rock walls, and other photos / posts of huge middens of clam shells - perhaps Baja indigenous developed or learned the same technology?
https://www.sciencefriday.com/segments/ancient-clam-aquacult...

[Edited on 10-18-2019 by caj13]
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[*] posted on 10-18-2019 at 01:50 PM


well, Ritter and his colleagues are certainly not speculating
they know their stuff

cool find!
thank you for sharing
Communist Radio is pretty much the only radio source I would trust with anything




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[*] posted on 10-18-2019 at 03:49 PM


Quote: Originally posted by 4x4abc  
well, Ritter and his colleagues are certainly not speculating
they know their stuff

cool find!
thank you for sharing
Communist Radio is pretty much the only radio source I would trust with anything


Ditto! :biggrin:




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[*] posted on 10-18-2019 at 04:03 PM


Ditto on what they said above!




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[*] posted on 10-18-2019 at 06:54 PM


Very interesting, thanks for sharing, Carl!

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[*] posted on 10-19-2019 at 06:51 AM


very cool, wonder how long it would take to reap the rewards? i might try building one :light:



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caj13
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[*] posted on 10-19-2019 at 09:02 AM


Harald, was it you who posted the photos? or anyone else? or sat photos? link? if you send me the photos I will contact these guys up at Simon Frazier and get some feedback from the experts.

The key might be dating the rock walls - and these guys have figured out a method to accurately do that -



[Edited on 10-19-2019 by caj13]
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