SAR11 Marine Bacteria Infographic
Chapter 1

The underground engine

Chapter 2

The non-sinking ocean pump

Chapter 3

The carbon factory inside us

YOUR GOAL

Master of The secret carbon keepers of the microbial world

Ch 2 · The non-sinking ocean pump
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007skaty Tiny SAR11 bacteria quietly support the health of our global oceans

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007skaty Microbial Carbon Pump

Microbes lock it tight, Keep it suspended, Carbon never sinks!

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The deepest reserves are built by resisting decay, not just increasing production.

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007skaty The tiny marine microbe Prochlorococcus drives photosynthesis in the ocean.

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SAR11 the ocean's quiet champion

007skaty Identified in the Sargasso Sea in 1990, these cells scavenge dissolved organic carbon to maintain the ocean's chemical

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The tiny photosynthetic ocean powerhouse

007skaty Glowing Prochlorococcus cells drift through deep ocean water lit by warm golden sunlight.

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Floaty Bloom Pump
BETA

007skaty Pump nutrients to floating blooms to discover how plants capture carbon from the air.

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Fun Fact

Ocean carbon storage: The ocean's pool of refractory dissolved organic carbon holds about 624 gigatons of carbon, nearly matching the total carbon found in Earth's atmosphere.

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Glossary
microbial carbon pump (noun)
A biological process in which marine microorganisms convert labile organic compounds into stable, long-term dissolved organic carbon. Nianzhi Jiao formally proposed this ocean carbon storage mechanism in a landmark 2010 scientific paper.

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Gossip

Which blue carbon ecosystem is the coolest?

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Quiz

How many gigatons of carbon are stored in the ocean as refractory dissolved organic carbon?

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007skaty Coastal soil microbes control carbon storage in salt marshes and mangroves.

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Gossip

Should we fertilize oceans to boost microbial carbon?

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Quiz

In which body of water was the SAR11 bacterial group first identified in 1990?

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Quiz

What percentage of marine microbial cells are made up of the SAR11 bacterial group?

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Quiz

What is the name of the ocean's most abundant photosynthetic cyanobacterium?

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Quiz

Which marine biologist proposed the ocean's Microbial Carbon Pump theory in 2010?

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Quiz

What resistant carbon compound is produced by marine microbes to store carbon for millennia?

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Quiz

In what year was the photosynthetic marine microbe Prochlorococcus first discovered?

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Quiz

Why do coastal wetlands store carbon much faster than terrestrial rainforests?

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