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  • 1
    Electronic Resource
    Electronic Resource
    Biogeochemistry Iron findings (2007)
    [s.l.] : Nature Publishing Group
    Nature 446 (2007), S. 989-991 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ocean is a daunting place to study, where investigations must contend with a wide range of scales — from intracellular to ocean basins, from nanoseconds to seasons. The difficulties are evident in the variety of approaches used to study the ecological productivity of its microscopic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/446989a
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Flavodoxin as an in situ marker for iron stress in phytoplankton (1996)
    [s.l.] : Nature Publishing Group
    Nature 382 (1996), S. 802-805 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Flavodoxin is a redox protein that contains a single molecule of riboflavin 5'-phosphate as a cofactor. Under iron-stress conditions, the iron-sulphur protein ferredoxin is replaced by flavodoxin in many microorganisms11 including diatoms12'13. Because iron is an essential component of several ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/382802a0
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Elevated consumption of carbon relative to nitrogen in the surface ocean (1993)
    [s.l.] : Nature Publishing Group
    Nature 363 (1993), S. 248-250 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Conversions such as that from nitrate consumption to organic carbon production are crucial both to account for the ocean's role in the global carbon cycle and to relate the net production of organic matter (based on O2 budgets), new production and carbon flux quantitatively12'15. There have, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/363248a0
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Biological ramifications of climate-change-mediated oceanic multi-stressors (2015)
    Nature Publishing Group
    In:  Nature Climate Change, 5 (1). pp. 71-79.
    Details
    Publication Date: 2017-02-24
    Description: Climate change is altering oceanic conditions in a complex manner, and the concurrent amendment of multiple properties will modify environmental stress for primary producers. So far, global modelling studies have focused largely on how alteration of individual properties will affect marine life. Here, we use global modelling simulations in conjunction with rotated factor analysis to express model projections in terms of regional trends in concomitant changes to biologically influential multi-stressors. Factor analysis demonstrates that regionally distinct patterns of complex oceanic change are evident globally. Preliminary regional assessments using published evidence of phytoplankton responses to complex change reveal a wide range of future responses to interactive multi-stressors with 〈20–300% shifts in phytoplankton physiological rates, and many unexplored potential interactions. In a future ocean, provinces will encounter different permutations of change that will probably alter the dominance of key phytoplankton groups and modify regional productivity, ecosystem structure and biogeochemistry. Consideration of regionally distinct multi-stressor patterns can help guide laboratory and field studies as well as the interpretation of interactive multi-stressors in global models.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1038/NCLIMATE2441
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Ocean acidification increases the accumulation of toxic phenolic compounds across trophic levels (2015)
    Nature Publishing Group
    In:  Nature Communications, 6 (8714).
    Details
    Publication Date: 2019-09-23
    Description: Increasing atmospheric CO2 concentrations are causing ocean acidification (OA), altering carbonate chemistry with consequences for marine organisms. Here we show that OA increases by 46–212% the production of phenolic compounds in phytoplankton grown under the elevated CO2 concentrations projected for the end of this century, compared with the ambient CO2 level. At the same time, mitochondrial respiration rate is enhanced under elevated CO2 concentrations by 130–160% in a single species or mixed phytoplankton assemblage. When fed with phytoplankton cells grown under OA, zooplankton assemblages have significantly higher phenolic compound content, by about 28–48%. The functional consequences of the increased accumulation of toxic phenolic compounds in primary and secondary producers have the potential to have profound consequences for marine ecosystem and seafood quality, with the possibility that fishery industries could be influenced as a result of progressive ocean changes
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.1038/ncomms9714
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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