Browsing by Author "Jorgensen Bo"

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Browsing by Author "Jorgensen Bo"

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  • Anoxic aggregates - an ephemeral phenomenon in the pelagic environment? 
    Ploug Helle; Kuhl Michael; Buchholz-Cleven Berit; Jorgensen Bo (Inter-Research, 1997)
    Radial microscale distributions of oxygen and pH were studied in ca 1.5 mm large laboratory-made aggregates composed of phytoplankton detritus and fecal pellets. Microsensor measurements were done at spatial increments ...
  • Conversion and conservation of light energy in a photosynthetic microbial mat ecosystem 
    Al-Najjar Mohammad; De Beer Dirk; Jorgensen Bo; Kuhl Michael; Polerecky Lubos (Nature Publishing Group, 2010)
    Here we present, to the best of our knowledge, the first balanced light energy budget for a benthic microbial mat ecosystem, and show how the budget and the spatial distribution of the local photosynthetic efficiencies ...
  • Distribution of sulfate-reducing bacteria, O2, and H2S in photosynthetic biofilms determined by oligonucleotide probes and microelectrodes 
    Ramsing Niels; Kuhl Michael; Jorgensen Bo (American Society for Microbiology, 1993)
    The vertical distribution of sulfate-reducing bacteria (SRB) in photosynthetic biofilms from the trickling filter of a sewage treatment plant was investigated with oligonucleotide probes binding to 16S rRNA. To demonstrate ...
  • Distributions of metabolic activities in deep subseafloor sediments 
    D'Hondt Steven; Jorgensen Bo; Miller Jay; Batzke Anja; Blake Ruth; Cragg Barry; Cypionka Heribet; Dickens Gerald; Ferdelman Timothy; Hinrichs Kai-Uwe; Holm Nils; Mitterer Richard; Spivack Arthur J; Wang Guizhi; Bekins Barbara; Engelen Bert; Ford Kathryn; Gettemy Glen; Rutherford Scott; Sass Henrik; Skilbeck Charles; Aiello Ivano; Guerin Gilles; House Christopher; Inagaki Fumio; Meister Patrick; Naehr Thomas; Niitsuma Sachiko; Parkes R; Schippers Axel; Smith David C; Teske Andreas; Wiegel Juergen; Padilla Christian; Acosta Juana (American Association for the Advancement of Science, 2004)
    Diverse microbial communities and numerous energy-yielding activities occur in deeply buried sediments of the eastern Pacific Ocean. Distributions of metabolic activities often deviate from the standard model. Rates ...
  • Microsensor measurements of sulfate reduction and sulfide oxidation in compact microbial communities of aerobic biofilms 
    Kuhl Michael; Jorgensen Bo (American Society for Microbiology, 1992)
    The microzonation of O2 respiration, H2S oxidation, and SO42- reduction in aerobic trickling-filter biofilms was studied by measuring concentration profiles at high spatial resolution (25 to 100 µm) with microsensors for ...