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Marine phytoplankton Melosira sp.
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Marine phytoplankton Melosira sp.
Marine phytoplankton Melosira sp.
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399629
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Moran, Dawn
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Marine phytoplankton Melosira sp.
Marine phytoplankton Melosira sp.
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04/18/2006
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top_174594.jpg
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Caption in Oceanus magazine, Vol. 51, No. 2, pg. 56-57: Marine phytoplankton like these Melosira sp. play critical roles that have impacts on the ocean food web and Earth's climate. Caption in Oceanus magazine, Vol. 51, No. 2, pg. 51: WHOI scientists found that stressed or dying phytoplankton release "infochemicals" that stimulate marine bacteria to consume the phytoplankton. As a result, more heat-trapping carbon dioxide returns back to the atmosphere. Image Of the Day caption: They may be microscopic and single-celled, but marine phytoplankton like these Melosira sp. are not immune to the stresses of everyday life. Like us, they require essential nutrients such as iron and Vitamin B12, and when nutrient supplies diminish in the ocean, phytoplankton populations show signs of stress. Phytoplankton produce half of Earth's oxygen supply and are the base of the ocean food chain, so it's important to learn more about how they respond to such to changes as ocean acidification and pollution. Former MIT-WHOI Joint Program graduate student Erin Bertrand wrote a playful Oceanus article on this research called "Psychotherapy for Phytoplankton." Image Of the Day repeat caption: In a recent study, WHOI scientists found that single-celled marine phytoplankton like these Melosira sp. can release infochemicals that signal marine bacteria to rev up their metabolisms and decompose phytoplankton faster. That rapidly converts organic carbon from phytoplankton back into carbon dioxidebefore carbon-rich particles from decomposed phytoplankton can sink to the deep ocean. So instead of being sequestered in the deep, the carbon remains in shallow waters and is recirculated back to the atmosphere in the form of heat-trapping carbon dioxide. MIT-WHOI Joint Program graduate student Bethanie Edwards and her Ph.D. advisor Ben Van Mooy conducted the study.
Caption in Oceanus magazine, Vol. 51, No. 2, pg. 56-57:
Marine phytoplankton like these Melosira sp. play critical roles that have impacts on the ocean food web and Earth's climate.
Caption in Oceanus magazine, Vol. 51, No. 2, pg. 51:
WHOI scientists found that stressed or dying phytoplankton release "infochemicals" that stimulate marine bacteria to consume the phytoplankton. As a result, more heat-trapping carbon dioxide returns back to the atmosphere.
Image Of the Day caption:
They may be microscopic and single-celled, but marine phytoplankton like these Melosira sp. are not immune to the stresses of everyday life. Like us, they require essential nutrients such as iron and Vitamin B12, and when nutrient supplies diminish in the ocean, phytoplankton populations show signs of stress. Phytoplankton produce half of Earth's oxygen supply and are the base of the ocean food chain, so it's important to learn more about how they respond to such to changes as ocean acidification and pollution. Former MIT-WHOI Joint Program graduate student Erin Bertrand wrote a playful Oceanus article on this research called "Psychotherapy for Phytoplankton."
Image Of the Day repeat caption:
In a recent study, WHOI scientists found that single-celled marine phytoplankton like these Melosira sp. can release infochemicals that signal marine bacteria to rev up their metabolisms and decompose phytoplankton faster. That rapidly converts organic carbon from phytoplankton back into carbon dioxidebefore carbon-rich particles from decomposed phytoplankton can sink to the deep ocean. So instead of being sequestered in the deep, the carbon remains in shallow waters and is recirculated back to the atmosphere in the form of heat-trapping carbon dioxide. MIT-WHOI Joint Program graduate student Bethanie Edwards and her Ph.D. advisor Ben Van Mooy conducted the study.
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© Woods Hole Oceanographic Institution
©Shane Gross/Greenpeace
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Illustration by Eric S. Taylor, WHOI Creative
Illustration by Jack Cook
Illustration by Jayne Doucette
Illustration by Natalie Renier, WHOI Creative
Marine Imaging Technologies, LLC © Woods Hole Oceanographic Institution
Photo by Amy Apprill
Photo by Craig LaPlante
Photo by Daniel Hentz
Photo by Danielle Fino
Photo by Darlene Trew Crist
Photo by Elise Hugus
Photo by Hannah Piecuch
Photo by Jayne Doucette
photo by Jeff Yonover
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Photo courtesy of Woods Hole Oceanographic Institution Archives
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Video by Craig LaPlante
Video by Danielle Fino
Video by Hannah Piecuch
Video by Jayne Doucette
Video by Ken Kostel
Video by Matthew Barton
-- Other --
Photo by Dawn Moran
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@2021 Woods Hole Oceanographic Institution, all rights reserved
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Image courtesy of NOAA Ocean Exploration, Deep Connections 2019.
Jeff Yonover 2015
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Photo by Chris Linder, WHOI
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jdoucette: Image Of the Day repeat, 10/16/2015 etaylor: Oceanus magazine, Vol. 51, No. 2, pg. 51 & pg. 56-57 samurphy: press release kmadin: curriculum jdoucette: Image Of the Day, 02/08/2014
jdoucette: Image Of the Day repeat, 10/16/2015
etaylor: Oceanus magazine, Vol. 51, No. 2, pg. 51 & pg. 56-57
samurphy: press release
kmadin: curriculum
jdoucette: Image Of the Day, 02/08/2014
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