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Smileyguy
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Post subject: Diatoms  Posted: October 17, 2004 - 4:19 am |
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I know its only natural that the animals get more attention, but his board is called "Marine Plants & Animals" so here's a collection of pictures of the most beautiful marine plants in the world - the diatoms. Diatoms are single-celled algae with an outer "glass" coat made of silica.
The huge silicon deposits in silicon valley are down to diatoms. Silicon valley was once covered by an ocean rich with diatoms. They died and there hard coats fell to the sea bottom, where they became the silicon deposits that are there today since the sea level dropped.
Asterionella is a personal favourite of mine, pictured below. I was first introduced to it when examining some water from a canal near my university under the microscope.
More photos follow...
Sorry if this takes up alot of bandwith Dave, you can delete them shortly if you must.
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David
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Post subject: Posted: October 17, 2004 - 11:06 am |
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Joined: May 28, 2003 - 11:20 am
Posts: 4091
Location: Planet Ocean
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Beautiful! Post all you like, the photos are on another server so our bandwidth is not effected. I have a small section on diatoms too on The Forests of the Sea page at http://marinebio.org/Oceans/TheForests/
I've been trying to get a plankton net myself to take photomicrographs of plankton here in Galveston... would like to have great photos and information on all common plankton some day.
_________________
David Campbell
MarineBio Founder/Director
Tel: 713-248-2576 PST >-<ºº>-<
"Extending a sea ethic would mean recognizing the ocean’s importance to the continued existence of life on our planet and to human futures. From this recognition would flow an appropriate sense of moral imperative, commitment, and urgency—urgency toward ending overfishing and wasteful bycatch and aggressively rebuilding depleted ocean wildlife populations, stabilizing human effects on world climate, slowing habitat destruction, stemming global transport and accidental introduction of "alien" species, curbing the flow of contaminants and trash, developing sustainable seafood farming, cultivating an informed approach to the seafood marketplace, and implementing networks of protected areas in the sea." - Dr. Carl Safina
"Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it's the only thing that ever has." - Margaret Mead
"If you think you can, you might, if you think you can't, you never will." - Anon
"Don't believe everything you think." - Anon
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Joni
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Post subject: Gorgeous! Posted: October 21, 2004 - 6:08 am |
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Joined: March 2, 2004 - 1:44 am
Posts: 926
Location: Atlanta, Georgia
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Hi Smileyguy -
I just did the new "creature quiz" on our homepage and was directed to the er...  correct answer in your post. I guessed green algae.
Just wanted to say that your photos are gorgeous!! Like jewels of the sea more beautiful than pearls. Keep up the great posts!
Welcome to MarineBio!
Joni
Editor
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David
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Post subject: Posted: November 12, 2004 - 1:27 pm |
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Joined: May 28, 2003 - 11:20 am
Posts: 4091
Location: Planet Ocean
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Just discovered the below I thought you might find interesting/useful:
http://192.171.163.165/pil/diatoms.htm
_________________
David Campbell
MarineBio Founder/Director
Tel: 713-248-2576 PST >-<ºº>-<
"Extending a sea ethic would mean recognizing the ocean’s importance to the continued existence of life on our planet and to human futures. From this recognition would flow an appropriate sense of moral imperative, commitment, and urgency—urgency toward ending overfishing and wasteful bycatch and aggressively rebuilding depleted ocean wildlife populations, stabilizing human effects on world climate, slowing habitat destruction, stemming global transport and accidental introduction of "alien" species, curbing the flow of contaminants and trash, developing sustainable seafood farming, cultivating an informed approach to the seafood marketplace, and implementing networks of protected areas in the sea." - Dr. Carl Safina
"Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it's the only thing that ever has." - Margaret Mead
"If you think you can, you might, if you think you can't, you never will." - Anon
"Don't believe everything you think." - Anon
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David
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Post subject: Posted: November 15, 2004 - 2:02 am |
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Joined: May 28, 2003 - 11:20 am
Posts: 4091
Location: Planet Ocean
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Here's another great Diatom site (as well as for Dinoflagellates, etc.):
Checklist of phytoplankton in the Skagerrak-Kattegat
http://www.marbot.gu.se/SSS/diatoms/diatom_frame.htm
another: http://www.ume.maine.edu/ssteward/id_gallery.htm
_________________
David Campbell
MarineBio Founder/Director
Tel: 713-248-2576 PST >-<ºº>-<
"Extending a sea ethic would mean recognizing the ocean’s importance to the continued existence of life on our planet and to human futures. From this recognition would flow an appropriate sense of moral imperative, commitment, and urgency—urgency toward ending overfishing and wasteful bycatch and aggressively rebuilding depleted ocean wildlife populations, stabilizing human effects on world climate, slowing habitat destruction, stemming global transport and accidental introduction of "alien" species, curbing the flow of contaminants and trash, developing sustainable seafood farming, cultivating an informed approach to the seafood marketplace, and implementing networks of protected areas in the sea." - Dr. Carl Safina
"Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it's the only thing that ever has." - Margaret Mead
"If you think you can, you might, if you think you can't, you never will." - Anon
"Don't believe everything you think." - Anon
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