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Marine bacteria are the main consumers of freshly produced organic matter. Many enzymatic processes involved in the bacterial digestion of organic compounds were shown to be pH sensitive in previous studies. Due to the continuous rise in atmospheric CO2 concentration, seawater pH is presently decreasing at a rate unprecedented during the last 300 million(More)
1 Department of Marine Biogeochemistry/Biological Oceanography, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, 2 Department Deep Sea Ecology and Technology/SEAPUMP, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, 3 MARUM and University of Bremen, Bremen, Germany, 4 Department Polar Biological(More)
In contrast to clear stimulatory effects of rising temperature, recent studies of the effects of CO2 on planktonic bacteria have reported conflicting results. To better understand the potential impact of predicted climate scenarios on the development and performance of bacterial communities, we performed bifactorial mesocosm experiments (pCO2 and(More)
Transparent exopolymer particles (TEP) are a class of marine gel particles and important links between surface ocean biology and atmospheric processes. Derived from marine microorganisms, these particles can facilitate the biological pumping of carbon dioxide to the deep sea, or act as cloud condensation and ice nucleation particles in the atmosphere. Yet,(More)
Diagnostic imaging represents an important resource for computer-based education. A concept how a database for teaching may be integrated into a radiology information system is presented: Diagnosing radiologists identify images suitable for educational purposes and send them to a central database. The images are complemented with MeSH codes. An automated(More)
Background: Providing high quality problem‐ oriented drug information relies on the ability to easily collect appropriate background information on clinical cases, to access relevant information from published sources by defined search strategies and to store and retrieve previously answered questions. To do this efficiently, an easy‐ to‐ use, flexible and(More)
Marine bacteria are the main consumers of freshly produced organic matter. Many enzymatic processes involved in the bacterial digestion of organic compounds were shown to be pH sensitive in previous studies. Due to the continuous rise in atmospheric CO2 concentration, seawater pH is presently decreasing at a rate unprecedented during the last 300 million(More)
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