I have chech on what you send me.
But I have a question, is the zooxanthellae a algae that uses the same
clorofill than regular plants? becouse I red than they are not alike.
By the way I am a hoosier, so don't send me purdue staff!!!
Thanks
Walter
> Walter,
>
> >
> > entire thing to look for, remember that your corals only use the blue
> > spectrum of that light and that is the light between 400 and 500
nanometers,
> > that means that the portion of the PAR between 500 and 700 is not used
at
>
>
> >
> > Sorry, that statement is incorrect. Have a look at the absorption
spectrum
> > of chlorophyll a/b as follows:
> > ttp://www.hort.purdue.edu/hort/courses/HORT301/spec/pigspec.gif
> >
> > Note that for chlorophyll a/b there is a significant peak of absorption
> > between 600 and 700 nm. A far better statement would be to say that
> > zooxanthellae (which perform the photosynthesis, not the corals) do not
use
> > light that is green or yellow, roughly between 500 and 600nm. You could
then
> > "may be" extend that to say that more is absorbed in the blue area
(energy
> > wise) that the red, due to the wider absorption band, increased area
under
> > the curve, and the higher energy of blue light versus red light.
> >
>
> For ease of matching wavelengths to colours you can use this image:
> ttp://www.fredonia.edu/bio241/images/10.5_The_electromagnetic_spe.JPG
>
> Catch ya,
>
> DBW | [EMAIL PROTECTED]
> reefs.org Administrator
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