Skip to main content

5 Result(s)

within D. Karl Remove this filter

and

  1. No Access

    Article

    Pilotstudie zu subjektiv und objektiv messbarer Stressreduktion im Alltag einer universitären Anästhesieabteilung durch ein Interventionsprogramm nach Mindfulness-Based Stress Reduction (MBSR)

    Psychische Überbelastungen im Arztberuf führen zu emotionaler Erschöpfung, dem Gefühl von Überforderung sowie reduzierter Leistungszufriedenheit und Interessensverlust, auch als „Burn-out“ –bezeichnet, mit wei...

    B. Gerber, J. Scriba, A. Geissler, H. Reckling, M. Fischer, D. Karl… in Der Anaesthesist (2020)

  2. No Access

    Article

    Dinitrogen fixation in the world's oceans

    The surface water of themarine environment has traditionally beenviewed as a nitrogen (N) limited habitat, andthis has guided the development of conceptualbiogeochemical models focusing largely on thereservoir...

    D. Karl, A. Michaels, B. Bergman, D. Capone, E. Carpenter, R. Letelier… in Biogeochemistry (2002)

  3. No Access

    Chapter

    Dinitrogen fixation in the world’s oceans

    The surface water of the marine environment has traditionally been viewed as a nitrogen (N) limited habitat, and this has guided the development of conceptual biogeochemical models focusing largely on the rese...

    D. Karl, A. Michaels, B. Bergman, D. Capone… in The Nitrogen Cycle at Regional to Global S… (2002)

  4. No Access

    Article

    Experimental determination of the organic carbon flux from open-ocean surface waters

    The flux of biologically produced organic carbon from the euphotic zone of the ocean to the deep waters below—the ‘biological organic carbon pump’—is one of the main controls on the carbon dioxide partial pres...

    S. Emerson, P. Quay, D. Karl, C. Winn, L. Tupas, M. Landry in Nature (1997)

  5. No Access

    Article

    The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean

    Seven years of time-series observations of biogeochemical processes in the subtropical North Pacific Ocean gyre have revealed dramatic changes in the microbial community structure and in the mechanisms of nutr...

    D. Karl, R. Letelier, L. Tupas, J. Dore, J. Christian, D. Hebel in Nature (1997)