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Results: 61 - 90 of 187 total results
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
298 022 001
298 022 001
Under a moderate magnification of 3500X, this digi
Under a moderate magnification of 3500X, this digi
This digitally-colorized scanning electron microgr
This digitally-colorized scanning electron microgr
Algae bloom in Reflecting Pool, Washington, DC. 2007 Potomac River, Chesapeake Bay watershed. USEPA photo by Eric Vance
Algae bloom in Reflecting Pool, Washington, DC. 2007 Potomac River, Chesapeake Bay watershed. USEPA photo by Eric Vance
At a magnification of 1000X, this digitally-colori
At a magnification of 1000X, this digitally-colori
HD.6D.651
HD.6D.651
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
5634526956 c21d31a4e4 o
5634526956 c21d31a4e4 o
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
Clam Harvest: Testing at Sea
Clam Harvest: Testing at Sea
Under a moderate magnification of 1000X, this scan
Under a moderate magnification of 1000X, this scan
20110415-OSEC-LSC-0186
20110415-OSEC-LSC-0186
Note the resemblance between the algae Prototheca
Note the resemblance between the algae Prototheca
5634527072 f74ee333eb o
5634527072 f74ee333eb o
20110415-OSEC-LSC-0179
20110415-OSEC-LSC-0179
20110415-OSEC-LSC-0322
20110415-OSEC-LSC-0322
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
20110415-OSEC-LSC-0240
20110415-OSEC-LSC-0240
Butterfly fish at Palmyra Island National Wildlife Refuge
Butterfly fish at Palmyra Island National Wildlife Refuge
At a magnification of 2000X, this scanning electro
At a magnification of 2000X, this scanning electro
Birch Island beach showing gradation of sediment from coarse pebbles to sand as one moves up from the shoreline. Seaweed is evident along 'rack' line showing furthest extent of normal high tide. Wildflower seeds float in on algae and take root helpin
Birch Island beach showing gradation of sediment from coarse pebbles to sand as one moves up from the shoreline. Seaweed is evident along 'rack' line showing furthest extent of normal high tide. Wildflower seeds float in on algae and take root helpin
20110415-OSEC-LSC-0473
20110415-OSEC-LSC-0473
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
This scanning electron micrograph (SEM) of an untr
5633941543 6603323581 o
5633941543 6603323581 o
EPA Volunteer Teaching Students on World Water Monitoring Day
EPA Volunteer Teaching Students on World Water Monitoring Day
At a magnification of 2000X, this digitally-colori
At a magnification of 2000X, this digitally-colori
Aerial photograph. Differentially eroded sedimentary layers show linear ridges parallel to the shoreline with tidal channels cutting perpendicular channels. The red is seaweed (algae).
Aerial photograph. Differentially eroded sedimentary layers show linear ridges parallel to the shoreline with tidal channels cutting perpendicular channels. The red is seaweed (algae).
20120105-OC-AMW-0518
20120105-OC-AMW-0518
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