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Bioluminscent Plankton

http://aquaviews.net/wp-content/uplo...d-on-shore.jpg

http://webecoist.momtastic.com/wp-co...nescence-3.jpg

http://25.media.tumblr.com/tumblr_m2...dydio1_500.jpg

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One of the most spectacular sights on a night dive in the ocean is to witness the hundreds of tiny star-like bioluminescent plankton scintillating like a starry sky as you move through the dark water. Towards the end of a dive, just shield your underwater flashlight and wave your hands through the water in front of you, and be mesmerized by the tiny glowing specs of plankton. So what kind of plankton are these? And how do they emit that bluish glow that you see in the below picture of the plankton washed on shore?

Certain creatures both on land and sea can produce light through chemical reactions taking place within their bodies known as Bioluminescence. The bioluminescence results from a light-producing chemical reaction also called chemiluminescence. Certain types of chemicals when mixed together produce energy which ‘excites’ other particles on vibration and generate light which causes the glow. The group of chemicals involved to make plankton glow are broadly termed luciferins and the light is produced by a series of oxidation reactions set off by a catalyst called luciferase. The bioluminescence in plankton is very high in several forms of Plankton and is a form of cold light or luminescence.

Plankton consists of any drifting organism (plant or animal) that inhabit the oceans and provide a vital source of food to larger aquatic organisms such as fish. A vast range of plankton, both zoo plankton and single-celled animal plankton are known to be bioluminescent. Bioluminescent plankton occur in all the world’s oceans.The most common of these are Dinoflagellates which are tiny unicellular Bioluminescent Plankton 300x225 Bioluminescent Plankton: What makes it glow?marine plankton also known as fire plants.

Dinoflagellates are the most common source of bioluminescence in our oceans and the chances are the sparks flying off your oar, the bow or wake of your boat are billions of tiny dinoflagellates or copeopods. These creatures get their name by their ability to swim by two flagella, which are movable protein strands attached to their bodies.

Bioluminescence is used to evade predators and acts as a defense mechanism in dinoflagellates. Dinoflagelletes produce light when disturbed and will give a light flash lasting a fraction of a second. The flash is meant to attract a predator to the creature disturbing or trying to consume the dinoflagellate. The light flash also surprises the predator causing it to worry about other predators attacking it, making the predator less likely to prey on the dinoflagellate.

However the experience of swimming in the midst of these amazing creatures is something that must be witnessed at least once by every scuba diver or avid snorkeler. Several Dive Operators offer special bioluminescent plankton dives or snorkeling expeditions, in seasons when plankton is at its peak brought by ocean currents. These swims would usually be in absolute darkness to witness the both the starry skies above and the starry seas below.

This is beautiful :lovedup:

..I saw this yesterday on my homepage...it's beautiful...magical..I'd love to see it..for real

that is so amazing i think im gonna cry

That's so pretty :lovedup:

We really don't appreciate what nature has to offer often enough until we see beautiful sights like this.

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Originally Posted by Pyramid* (Post 5069642)

We really don't appreciate what nature has to offer often enough until we see beautiful sights like this.

..that's true..these natural phenonomenons aren't widely available in the UK though..maybe one day I'll get to see one

I need to do a scuba dive with these things.

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Originally Posted by Ammi (Post 5069664)

..that's true..these natural phenonomenons aren't widely available in the UK though..maybe one day I'll get to see one

The Aurora Borealis is something I'd love to see. This was taken last month up off the west coast of Scotland last month.

http://i.dailymail.co.uk/i/pix/2012/...81_634x421.jpg

http://i.dailymail.co.uk/i/pix/2012/...99_634x409.jpg

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Originally Posted by Pyramid* (Post 5069692)

..that's beautiful..it would be feasable for you to see it then
..when I watch these thing on TV..it reduces people to tears..I can understand that..they're such a wonder of nature

Those pictures look a little edited (of the aurora) but I agree I'd love to see them.

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Originally Posted by Ammi (Post 5069708)

..that's beautiful..it would be feasable for you to see it then
..when I watch these thing on TV..it reduces people to tears..I can understand that..they're such a wonder of nature

Not really...... :( the timing of it is rare on top of the chances of having the sky clear enough when it the conditions are right are remote. Not impossible, but remote.

Better to go to Iceland (???) as they have a longer time window if I remember correctly and conditions are better.

Beautiful... I would love to just be laying on that beach, cocktail in hand and a few tunes playing not too loud. Ahh.

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Originally Posted by Shaun (Post 5069713)

Those pictures look a little edited (of the aurora) but I agree I'd love to see them.

What makes you think they are edited?

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Originally Posted by Jords (Post 5069722)

Beautiful... I would love to just be laying on that beach, cocktail in hand and a few tunes playing not too loud. Ahh.

..there's not many beaches in Iceland

Edit:..oh..you meant the Plankton

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Originally Posted by Ammi (Post 5069738)

..there's not many beaches in Iceland

:D

I think he was referring to the plankton piccies Ammi!

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Originally Posted by Ammi (Post 5069738)

..there's not many beaches in Iceland

Edit:..oh..you meant the Plankton

Dont confuse me Ammi :joker:

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Originally Posted by Pyramid* (Post 5069725)

What makes you think they are edited?

They just look almost too perfect :laugh:

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Originally Posted by Shaun (Post 5069746)

They just look almost too perfect :laugh:

Nah... ever seen documentaries on it? Depending on where you are in the world, and how clear the skies are, and the amount of ion particles bashing against each other: it affects the colours and intensity levels.