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Light microscope view of organisms in a micobial mat from Area 4 in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. Blue green trichomes (in bundles) of the cyanobacterium Microcoleus chthonoplastes and small spheres that appear to be a purple sulfur bacterium can be seen. Photo: Lee Prufert-Bebout
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Light microscope view of organisms in a micobial mat from Area 4 in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. Prominent in the photograph are the blue green trichomes (in bundles) of the cyanobacterium Microcoleus chthonoplastes.
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Light microscope view of organisms in a micobial mat from Area 4 in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. This sample was taken from the very surface of the mat. Unicellular cyanobacteria and diatoms are most prevalent near the surface of the mat, and in this image.
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Light microscope view of organisms in a micobial mat from Area 4 in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. An empty sheath (presumably from the cyanobacterium Microcoleus chthonoplastes appears to have been colonized by the corkscrew-shaped trichomes of the cyanobacterium Spirulina sp.
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An epifluorescence microscope photograph of cyanobacteria from a mat collected in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. The red color is due to the autofluorescence of chlorophyll within the cyanobacteria in response to excitation light provided from the microscope.
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Light microscope view of organisms in a microbial mat collected in Cat Harbor, Catalina Island, California. In addition to bundles of the cyanobacterium Microcoleus chthonoplastes, what appears to be a bundle of colorless sulfur oxidizing bacteria can be seen
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Light microscope view of organisms in a microbial mat from Area 4 in the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. Unicellular cyanobacteria in a common sheath are prominent in this image.
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Light microscope view of organisms in a micobial mat from a natural marsh near the Exportadora de Sal saltern system in Guerrero Negro, Baja California Sur, Mexico. Filaments and sheaths of the cyanobacterium Lyngbya sp. can be seen.
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