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  • Animals  (3)
  • *Seawater/chemistry  (2)
  • *Genes, Archaeal  (1)
  • 1
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    Microbial oceanography in a sea of opportunity (2009)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2009-05-16
    Beschreibung: Plankton use solar energy to drive the nutrient cycles that make the planet habitable for larger organisms. We can now explore the diversity and functions of plankton using genomics, revealing the gene repertoires associated with survival in the oceans. Such studies will help us to appreciate the sensitivity of ocean systems and of the ocean's response to climate change, improving the predictive power of climate models.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowler, Chris -- Karl, David M -- Colwell, Rita R -- 1R01A139129-01/PHS HHS/ -- England -- Nature. 2009 May 14;459(7244):180-4. doi: 10.1038/nature08056.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS UMR8186, Department of Biology, Ecole Normale Superieure, 46 rue d'Ulm, Paris, France. cbowler@biologie.ens.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19444203" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Ecosystem ; Gene Expression Profiling/trends ; Genomics/trends ; Greenhouse Effect ; Human Activities ; Humans ; *Marine Biology/trends ; *Oceanography ; Oceans and Seas ; Plankton/genetics/isolation & purification/metabolism ; Seawater/*microbiology/virology ; Vibrio cholerae/isolation & purification/metabolism ; *Water Microbiology ; Water Pollution/adverse effects
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Top predators in the Southern ocean: a major leak in the biological carbon pump (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1991-07-05
    Beschreibung: Primary productivity in the Southern Ocean is approximately 3.5 gigatons of carbon per year, which accounts for nearly 15 percent of the global total. The presence of high concentrations of nitrate in Antarctic waters suggests that it might be possible to increase primary production significantly and thereby alleviate the net accumulation of atmospheric carbon dioxide. An analysis of the food web for these waters implies that the Southern Ocean may be remarkably inefficient as a carbon sink. This inefficiency is caused by the large flux of carbon respired to the atmosphere by air-breathing birds and mammals, dominant predators in the unusually simple food web of Antarctic waters. These top predators may transfer into the atmosphere as much as 20 to 25 percent of photosynthetically fixed carbon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huntley, M E -- Lopez, M D -- Karl, D M -- New York, N.Y. -- Science. 1991 Jul 5;253(5015):64-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1905841" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Atmosphere ; Carbon/*metabolism ; Carbon Dioxide/metabolism ; Oceans and Seas ; Plankton/metabolism ; Plants/metabolism ; Respiration
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Revisiting carbon flux through the ocean's twilight zone (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2007-04-28
    Beschreibung: The oceanic biological pump drives sequestration of carbon dioxide in the deep sea via sinking particles. Rapid biological consumption and remineralization of carbon in the "twilight zone" (depths between the euphotic zone and 1000 meters) reduce the efficiency of sequestration. By using neutrally buoyant sediment traps to sample this chronically understudied realm, we measured a transfer efficiency of sinking particulate organic carbon between 150 and 500 meters of 20 and 50% at two contrasting sites. This large variability in transfer efficiency is poorly represented in biogeochemical models. If applied globally, this is equivalent to a difference in carbon sequestration of more than 3 petagrams of carbon per year.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buesseler, Ken O -- Lamborg, Carl H -- Boyd, Philip W -- Lam, Phoebe J -- Trull, Thomas W -- Bidigare, Robert R -- Bishop, James K B -- Casciotti, Karen L -- Dehairs, Frank -- Elskens, Marc -- Honda, Makio -- Karl, David M -- Siegel, David A -- Silver, Mary W -- Steinberg, Deborah K -- Valdes, Jim -- Van Mooy, Benjamin -- Wilson, Stephanie -- New York, N.Y. -- Science. 2007 Apr 27;316(5824):567-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA. kbuesseler@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17463282" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Carbon/metabolism ; Carbon Dioxide ; Copepoda/physiology ; *Ecosystem ; Food Chain ; Geologic Sediments/chemistry ; Hydrogen-Ion Concentration ; Pacific Ocean ; Phytoplankton/physiology ; *Seawater/chemistry ; Zooplankton/physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    Community genomics among stratified microbial assemblages in the ocean's interior (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2006-01-28
    Beschreibung: Microbial life predominates in the ocean, yet little is known about its genomic variability, especially along the depth continuum. We report here genomic analyses of planktonic microbial communities in the North Pacific Subtropical Gyre, from the ocean's surface to near-sea floor depths. Sequence variation in microbial community genes reflected vertical zonation of taxonomic groups, functional gene repertoires, and metabolic potential. The distributional patterns of microbial genes suggested depth-variable community trends in carbon and energy metabolism, attachment and motility, gene mobility, and host-viral interactions. Comparative genomic analyses of stratified microbial communities have the potential to provide significant insight into higher-order community organization and dynamics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeLong, Edward F -- Preston, Christina M -- Mincer, Tracy -- Rich, Virginia -- Hallam, Steven J -- Frigaard, Niels-Ulrik -- Martinez, Asuncion -- Sullivan, Matthew B -- Edwards, Robert -- Brito, Beltran Rodriguez -- Chisholm, Sallie W -- Karl, David M -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):496-503.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts Institute of Technology, Cambridge, MA 02139, USA. delong@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439655" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Archaea/classification/*genetics/metabolism ; Archaeal Proteins/chemistry/genetics/metabolism ; Bacteria/classification/*genetics/metabolism ; Bacterial Proteins/chemistry/genetics/metabolism ; Bacteriophages/genetics ; Base Sequence ; Cloning, Molecular ; Cluster Analysis ; Computational Biology ; Cosmids ; DNA, Viral/chemistry/genetics ; Ecosystem ; Gene Library ; *Genes, Archaeal ; *Genes, Bacterial ; Genes, rRNA ; *Genomics ; Molecular Sequence Data ; Pacific Ocean ; Seawater/*microbiology ; Sequence Analysis, DNA ; Water Microbiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Environment. Ocean iron fertilization--moving forward in a sea of uncertainty (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2008-01-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buesseler, Ken O -- Doney, Scott C -- Karl, David M -- Boyd, Philip W -- Caldeira, Ken -- Chai, Fei -- Coale, Kenneth H -- de Baar, Hein J W -- Falkowski, Paul G -- Johnson, Kenneth S -- Lampitt, Richard S -- Michaels, Anthony F -- Naqvi, S W A -- Smetacek, Victor -- Takeda, Shigenobu -- Watson, Andrew J -- New York, N.Y. -- Science. 2008 Jan 11;319(5860):162. doi: 10.1126/science.1154305.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA. kbuesseler@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18187642" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Atmosphere ; *Carbon Dioxide/metabolism ; Climate ; Cost-Benefit Analysis ; *Ecosystem ; *Iron/metabolism ; Oceans and Seas ; Phytoplankton/*growth & development ; *Seawater/chemistry
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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