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Archives: Ecology of the Great Lakes 2002 Aboard the EPA's Research Vessel Lake Guardian (Archived July 7-13, 2002)  |
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Click on snapshot for a larger image; The photos on this page by E. Groth
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 A clamshell-like collector called a ponar will scoop a sample from the bottom. |
 Ponar hoisted up from 113 meter depth. |
 Contents dropped into container. |
 The material is screened by Dr. Noel Urban. |
 Lake bottom (benthic) organisms were captured in a jar. |
 Size sorting of sediment. |
 Plotting the next stations to collect samples. |
 Discussing the characteristics of the deep water materials. |
 View from amidships looking aft to the A-frame. |
 Keweenaw Waterway North Entry lighthouse. |
 R/V Lake Guardian docked at Michigan Tech. |
 R/V Lake Guardian passing under Portage Lake Lift Bridge at Houghton. |
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Last Update: December 29, 2002
Copyright
© 2002 Western Upper Peninsula Center for Science, Mathematics and
Environmental Education
Michigan Technological University
Educational Uses Permitted, giving credit to WUP Center
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