Re: [APD] Aquatic-Plants Digest, Vol 31, Issue 18

["Daniel Larsson" <defdac at hotmail_com>]

Jerry Bake wrote:
"I know chlorophyll reflects a good deal of infrared, but I don't 
know if nutrient deficiencies affect the reflectance in predictable ways."

It's quite common for "remote sensing" in agriculture, and even to
monitor health of reefs:
http://archives.cnn.com/2000/NATURE/10/25/coral.reefs/

So it's weird if noone have taken these kind of photos of aquariums,
since it's quite easy with a digital camera. If your TV-remote in action 
shows up blue in a picture taken by your camera it can take
IR-photos.


Best regards
Daniel Larsson
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