Photosynthesis under water

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Uploaded by on Jan 3, 2007

I turn off some of the lights in my aquarium to show how fast the response in photosynthesis is.

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Howto & Style

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Uploader Comments (defdac)

  • what kind of plant is this?

  • @iheartrandyorton96 A Hygrophila polsperma "rosanervig".

  • sweeeet! that really shows how good your bulbs are!

  • @dzaeman No plant is in a quite shady location. A guesstimate the light levels to be around 5-10 µmol/s/m² PAR here. It's ordinary simple light bulbs. No fluorescents or anything.

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  • Watching this for my online bio class :D

  • @seanwasere No. The amount of light in all tanks is about a 10-30 times less than that of the sun. In this shady location where I filmed the plant I estimate the intensity to be about 5-10 µmol/s/m². Or even lower.

  • @Sypha14 No, pearling is when, for example tied down Riccia develops a shroud of oxygen bubbles. This is called "streaming".

  • @beyblader002 That's great =)

  • i saw this video at school nice work :)

  • immediate results .. nice.

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