[Coral-List] Mineral Accretion/ Biorock

Alice Grainger alice at coralrestoration.org
Fri Jun 21 18:08:51 UTC 2019


Hi Daisy,

I have had some limited experience with it, and feel it likely has its best
applications in quickly stabilizing rubble fields which could then be
restored with other, more "tech-light" techniques.

Best,

Alice
____________________

Alice Grainger
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On Fri, Jun 21, 2019 at 10:53 AM Dennis Hubbard via Coral-List <
coral-list at coral.aoml.noaa.gov> wrote:

> Hi Daisy:
>
> This method goes back to Wulf Hilburtz and has been championed more
> recently by Ton Goreau jr. Hilburtz's work was done on St. Croix while I
> was at West Indies Lab there. DC current from a small wind mill (initially)
> and a small photovoltaic cell drove precipitation of a calcium carbonate
> derivative named brucite. The main problem with this polymorph is that it
> is thermodynamically unstable in sea water and dissolves once the current
> is removed. As I remember, Tom Goreau posted awhile back that electrical
> current facilitated coral growth and recruitment on "reef balls" and
> similar substrates. My recollection of the photos is that coral cover did
> not seem statistically higher than on substrates without
> current-stimulation and I remain unconvinced. However, you should follow up
> on that and make your own conclusions.
>
> Best,
>
> Dennis
>
> On Tue, Jun 18, 2019 at 9:15 AM Daisy Durden via Coral-List <
> coral-list at coral.aoml.noaa.gov> wrote:
>
> > Dear coral listers,
> >
> > I am curious as to whether anyone here has worked with the mineral
> > accretion method for coral restoration?
> >
> > I am working for a Dutch company who are developing offshore floating
> solar
> > platforms and we are interested in the potential synergy with mineral
> > accretion. We are striving to promote the huge potential of generating
> > clean energy through this offshore solar, often to regions where there is
> > considerable need, but also channeling some of this energy as a means of
> > coral restoration- a win-win in my eyes! However, I would like to gather
> > some more information about the method. From the literature reviewed
> there
> > seems to be some real potential, but then I am left wondering why this
> has
> > not become a widespread restoration technique, since it has been around
> > since the 70s.
> >
> > I am in contact with some passionate individuals regarding Biorock, but
> > they seem few and far between. Any insights into why are appreciated. And
> > if any scientists here are interested in the synergy proposed please do
> get
> > in touch!
> >
> > Thanks,
> > Daisy
> >
> > ---
> >
> > Met vriendelijke groet / Kind regards,
> >
> >
> >
> > Daisy Durden
> >
> >
> >
> > *Oceans of Energy*
> > Environmental Research Team
> >
> > daisy.durden at oceansofenergy.blue
> >
> > +447766343377 / +31611489516
> >
> > www.oceansofenergy.blue
> > _______________________________________________
> > Coral-List mailing list
> > Coral-List at coral.aoml.noaa.gov
> > https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
> >
>
>
> --
> Dennis Hubbard
> Chair, Dept of Geology-Oberlin College Oberlin OH 44074
> (440) 775-8346
>
> * "When you get on the wrong train.... every stop is the wrong stop"*
>  Benjamin Stein: "*Ludes, A Ballad of the Drug and the Dream*"
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>


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