Let

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Lets dive into the Lake Huron Sinkholes

• A NSF funded, NOAA (TBNMS, GLERL) NOF supported
  study

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Can you find the groundwater on the picture?
Groundwater
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El Cajon Bay
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Individual blades of grass
Grass
Purple mat
Individual microbes
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Middle Island
WOW! Thats the size of a football field!
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R.O.V. Remotely Operated Vehicle
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ROV Footage
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Diver Video of Middle Island
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WOW!
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M-ROVER Footage
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Picture of a sinkhole
Microbes at a sinkhole
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Dr. Bopi Biddanda
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Scientists studying the sinkholes
Dr. Biddanda with a sample from a sinkhole
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Energy
Photosynthesis
Energy
Chemosynthesis
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Photosynthesis
ENERGY
Plants use photosynthesis to make energy!
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Chemosynthesis
ENERGY
NO SUN NEEDED!
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Photosynthesis
Chemosynthesis
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More Footage from our Adventure
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Credits
Presentation assembled and narrated by Amanda
Callaghan, 2008
Institutional Support GVSU, UW- Stout, NOAA,
Thunder Bay National Marine Sanctuary, and the
Noble Odyssey Foundation
Underwater Diver Photography Russ Green, Luke
Clyburn, and Tane Casserley
Underwater ROV videos Steve Ruberg and Guy
Meadows
Aerial Photography Scott Kendall and Bopi
Biddanda
Research Bopi Biddanda, Scott Kendall, and T.
Garry Sanders