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USGS Microbiology Image Gallery

Images of people, maps, and landscapes related to USGS microbiology research.

People, Maps, and Landscapes

San Francisco Bay and tidal marsh II
Photo credit: Mark C. Marvin-DiPasquale, USGS

Research Summary: San Francisco Bay Salt Pond Restoration Project: Mercury Biogeochemistry and Bioaccumulation (Mark C. Marvin-DiPasquale, Lisamarie Windham-Myers, Josh T. Ackerman, and Collin Eagles-Smith)

Historic tidal sloughs in the surface of the former salt ponds. Photo credit: Mark C. Marvin-DiPasquale, USGS

Description: Historic tidal sloughs, such as the one above, are still visible in the surface of the former salt ponds. One management goal is to reinstate tidal flushing to these hydrologically disconnected areas and to restore healthy marsh function, without increasing methylmercury production.

`Alakai Plateau. Photo credit: USGS 'Alakai Plateau Bonanza creek. Photo credit: Mark P. Waldrop, USGS Bonanza creek Cheatgrass in eastern Oregon. Photo credit: Nicole M. DeCrappeo, USGS Cheatgrass in eastern Oregon
Davis Creek Reservoir, December 2004, showing ring of senescent wetland vegetation around shoreline. Photo credit: J. Holloway, USGS Davis Creek Reservoir: Ring of Senescent Wetland Vegetation Wetland on margin of Davis Creek Reservoir, Yolo County, CA. Photo credit: J. Holloway, USGS Davis Creek Reservoir: Wetland at the Margin Deployment of an in situ nitrate sensor in Cheney Reservoir, Kansas. Photo credit: Trudy J. Bennett, USGS In situ Nitrate Sensor in Cheney Reservoir, Kansas
Iron-rich wetland resulting from weathering of sulfide minerals from nearby country rock near Silverton, Colorado. Photo credit: Mark R. Stanton, USGS Iron-rich wetland Map of the NAWC In Situ Test Facility. Image credit: courtesy of Allen Shapiro, USGS. Naval Air Warfare Center (NAWC) Map Open water in post-Katrina marsh, Louisiana. Photo credit: J. Holloway, USGS Open water in post-Katrina marsh, Louisiana
Phospholipid fatty acids are used as an indicator of soil health in the Geochemical Landscapes project. Image credit: J. Holloway, USGS Phospholipid fatty acids and soil health map An intact sagebrush plot in eastern Oregon. Photo credit: Nicole M. DeCrappeo, USGS Sagebrush in eastern Oregon Sampling for permafrost microorganisms with a permafrost auger. Photo credit: Mark P. Waldrop, USGS Sampling for permafrost microorganisms
With South San Francisco Bay in the background, the vegetated habitat to the left of the levee represents healthy tidal marsh. To the right is a former salt pond. Photo credit: Mark C. Marvin-DiPasquale, USGS San Francisco Bay and tidal marsh Historic tidal sloughs in the surface of the former salt ponds. Photo credit: Mark C. Marvin-DiPasquale, USGS San Francisco Bay and tidal marsh II    
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