Xref: utzoo sci.bio:4080 sci.aquaria:991 sci.environment:8888
Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!apple!agate!linus!philabs!ttidca!jackson
From: jackson@ttidca.TTI.COM (Dick Jackson)
Newsgroups: sci.bio,sci.aquaria,sci.environment
Subject: Re: coral reefs, C02, food, and farming.
Summary: Are oysters the answer?
Message-ID: <21585@ttidca.TTI.COM>
Date: 4 Dec 90 16:02:15 GMT
References: <720@sierra.stanford.edu> <90337.112001JAHAYES@MIAMIU.BITNET> <18@sierra.STANFORD.EDU>
Organization: Citicorp/TTI, Santa Monica
Lines: 18

In article <18@sierra.STANFORD.EDU> rosentha@sierra.STANFORD.EDU (rosentha) writes:
>J Hayes had a point that calcium might be the limiting factor in
>C02 fixation, and that C02 is released when Calcium carbonate is

I think it was meant as a joke, but with an element of sense, where a
letter to the New Scientist magazine suggested that the best way to lock
up excess CO2 would be to breed some very large (somewhere around
10^10 -- I can't remember exactly) oysters.  Probably the letter writing
chappie rather fancied the idea of contributing to the disposal of the
oysters' insides.

Is it not true that when the earth was young and had a lot of CO2 and
all was happy because humans had not appeared, biomass used up a lot
of it (oil) and shellfish also (limestone).  Since we are undoing the one
mechanism (trees ->oil) it makes sense to fix it by helping the other one
along. But is there enough calcium?

Dick Jackson


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