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  • 1
    Map
    Map
    Meeresatlas : Daten und Fakten über unseren Umgang mit dem Ozean (2017)
    Berlin : Heinrich-Böll-Stiftung
    Details Availability
    Keywords: Atlas ; Meereskunde
    Description / Table of Contents: Ohne das Meer gäbe es kein Leben auf unserem Planeten. Es regelt weitgehend das Klima, gibt uns Nahrung und liefert Energie. Darüber hinaus ist es ein wichtiger Verkehrsweg, ein Erholungsraum und ein Quell ästhetischen Vergnügens. Aber das Meer steht unter Stress, denn das alte Prinzip von der „Freiheit der Meere“ hat zu Überfischung, Artenverlust und einer immensen Verschmutzung der Ozeane geführt.Deshalb muss der Umgang mit dem Meer auf nachhaltige und gerechte Grundlagen gestellt werden. Der Meeresatlas 2017 liefert dazu die Daten, Fakten und Zusammenhänge. Er zeigt in zahlreichen Beiträgen und über 50 Grafiken, in welch schlechtem Zustand sich die Weltmeere befinden, warum das so ist und was man tun muss, um die Situation der Ozeane zu verbessern.
    Type of Medium: Map
    Pages: 1 Atlas (50 Seiten) , Illustrationen, Karten
    Parallel Title: Pösel, Natascha Übersetzt als Atlas de los océanos
    Language: German
    Note: Zur Erstellung des „Meeresatlas“ haben viele Expertinnen und Experten mit ihrem Fachwissen beigetragen. Beteiligt waren insbesondere Wissenschaftlerinnen und Wissenschaftler der Christian-Albrechts-Universität zu Kiel (CAU), die gemeinsam im Kieler Exzellenzcluster „Ozean der Zukunft“ zu Fragestellungen der Entwicklung unserer Meere forschen. Die Texte des Atlas beruhen auf Interviews, die mit den Expertinnen und Experten geführt wurden. Interviewführung: Natascha Pösel, Peter Wiebe, Ulrich Bähr , Hier auch später erschienene, unveränderte Nachdrucke
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  • 2
    Online Resource
    Online Resource
    Meeresatlas : Daten und Fakten über unseren Umgang mit dem Ozean (2017)
    Berlin : Heinrich-Böll-Stiftung
    Details Availability
    Keywords: Atlas ; Meereskunde
    Type of Medium: Online Resource
    Pages: Online-Resource (50 Seiten, 23 MB)
    URL: https://www.boell.de/de/2017/04/25/meeresatlas-daten-und-fakten-ueber-unseren-umgang-mit-dem-ozean
    Language: English
    Note: Zur Erstellung des „Meeresatlas“ haben viele Expertinnen und Experten mit ihrem Fachwissen beigetragen. Beteiligt waren insbesondere Wissenschaftlerinnen und Wissenschaftler der Christian-Albrechts-Universität zu Kiel (CAU), die gemeinsam im Kieler Exzellenzcluster „Ozean der Zukunft“ zu Fragestellungen der Entwicklung unserer Meere forschen. Die Texte des Atlas beruhen auf Interviews, die mit den Expertinnen und Experten geführt wurden. Interviewführung: Natascha Pösel, Peter Wiebe, Ulrich Bähr
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  • 3
    Book
    Book
    Ocean atlas : facts and figures about our relationship with the ocean (2017)
    Berlin : Heinrich-Böll-Stiftung
    Details Availability
    Description / Table of Contents: The publishers – the Heinrich Böll Stiftung Schleswig-Holstein, the Heinrich Böll Stiftung (national foundation), the University of Kiel Future Ocean Cluster of Excellence and the monthly magazine “Le Monde diplomatique” – want to point out the most important dimensions of our interaction with the ocean and its coasts. According to them, it is imperative to rethink our relationship with the ocean and its resources that are important parts of our environment and that urgently need international protection. On 23 graphically illustrated double pages the Atlas provides compact knowledge and current data on the ocean.
    Type of Medium: Book
    Pages: 50 Seiten
    Parallel Title: Übersetzung von Meeresatlas
    Parallel Title: Pösel, Natascha Parallele Sprachausgabe Atlas de los océanos
    Language: English
    Note: The publishers – the Heinrich Böll Stiftung Schleswig-Holstein, the Heinrich Böll Stiftung (national foundation), the University of Kiel Future Ocean Cluster of Excellence and the monthly magazine “Le Monde diplomatique” – want to point out the most important dimensions of our interaction with the ocean and its coasts. According to them, it is imperative to rethink our relationship with the ocean and its resources that are important parts of our environment and that urgently need international protection. On 23 graphically illustrated double pages the Atlas provides compact knowledge and current data on the ocean
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  • 4
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    Effect of temperature on the accumulation of marine biogenic gels in the surface microlayer near the outlet of nuclear power plants and adjacent areas in the Daya Bay, China (2018)
    Public Library of Science
    In:  PLoS ONE, 13 (6). e0198735.
    Details
    Publication Date: 2021-02-08
    Description: The surface microlayer (SML) in marine systems is often characterized by an enrichment of biogenic, gel-like particles, such as the polysaccharide-containing transparent exopolymer particles (TEP) and the protein-containing Coomassie stainable particles (CSP). This study investigated the distribution of TEP and CSP, in the SML and underlying water, as well as their bio-physical controlling factors in Daya Bay, an area impacted by warm discharge from two Nuclear power plants (Npp’s) and aquaculture during a research cruise in July 2014. The SML had higher proportions of cyanobacteria and of pico-size Chl a contrast to the underlayer water, particularly at the nearest outlet station characterized by higher temperature. Diatoms, dinoflagellates and chlorophyll a were depleted in the SML. Both CSP and TEP abundance and total area were enriched in the SML relative to the underlying water, with enrichment factors (EFs) of 1.5–3.4 for CSP numbers and 1.32–3.2 for TEP numbers. Although TEP and CSP showed highest concentration in the region where high productivity and high nutrient concertation were observed, EFs of gels and of dissolved organic carbon (DOC) and dissolved acidic polysaccharide (〉 1 kDa), exhibited higher values near the outlet of the Npp’s than in the adjacent waters. The positive relation between EF’s of gels and temperature and the enrichment of cyanobacteria in the SML may be indicative of future conditions in a warmer ocean, suggesting potential effects on adjusting phytoplankton community, biogenic element cycling and air-sea exchange processes
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1371/journal.pone.0198735
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Stimulated Bacterial Growth under Elevated p Co2: Results from an Off-Shore Mesocosm Study (2014)
    Public Library of Science
    In:  PLoS ONE, 9 (6). e99228.
    Details
    Publication Date: 2019-09-23
    Description: 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 years but the consequences for microbial physiology, organic matter cycling and marine biogeochemistry are still unresolved. We studied the effects of elevated seawater pCO2 on a natural plankton community during a large-scale mesocosm study in a Norwegian fjord. Nine Kiel Off-Shore Mesocosms for Future Ocean Simulations (KOSMOS) were adjusted to different pCO2 levels ranging initially from ca. 280 to 3000 µatm and sampled every second day for 34 days. The first phytoplankton bloom developed around day 5. On day 14, inorganic nutrients were added to the enclosed, nutrient-poor waters to stimulate a second phytoplankton bloom, which occurred around day 20. Our results indicate that marine bacteria benefit directly and indirectly from decreasing seawater pH. During the first phytoplankton bloom, 5–10% more transparent exopolymer particles were formed in the high pCO2 mesocosms. Simultaneously, the efficiency of the protein-degrading enzyme leucine aminopeptidase increased with decreasing pH resulting in up to three times higher values in the highest pCO2/lowest pH mesocosm compared to the controls. In general, total and cell-specific aminopeptidase activities were elevated under low pH conditions. The combination of enhanced enzymatic hydrolysis of organic matter and increased availability of gel particles as substrate supported up to 28% higher bacterial abundance in the high pCO2 treatments. We conclude that ocean acidification has the potential to stimulate the bacterial community and facilitate the microbial recycling of freshly produced organic matter, thus strengthening the role of the microbial loop in the surface ocean.
    Type: Article , PeerReviewed
    Format: text
    Format: image
    Format: image
    Format: image
    DOI: 10.1371/journal.pone.0099228
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 6
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    Floating Ice-Algal Aggregates below Melting Arctic Sea Ice (2013)
    Public Library of Science
    In:  PLoS ONE, 8 (10). e76599.
    Details
    Publication Date: 2019-09-23
    Description: During two consecutive cruises to the Eastern Central Arctic in late summer 2012, we observed floating algal aggregates in the melt-water layer below and between melting ice floes of first-year pack ice. The macroscopic (1-15 cm in diameter) aggregates had a mucous consistency and were dominated by typical ice-associated pennate diatoms embedded within the mucous matrix. Aggregates maintained buoyancy and accumulated just above a strong pycnocline that separated meltwater and seawater layers. We were able, for the first time, to obtain quantitative abundance and biomass estimates of these aggregates. Although their biomass and production on a square metre basis was small compared to ice-algal blooms, the floating ice-algal aggregates supported high levels of biological activity on the scale of the individual aggregate. In addition they constituted a food source for the ice-associated fauna as revealed by pigments indicative of zooplankton grazing, high abundance of naked ciliates, and ice amphipods associated with them. During the Arctic melt season, these floating aggregates likely play an important ecological role in an otherwise impoverished near-surface sea ice environment. Our findings provide important observations and measurements of a unique aggregate-based habitat during the 2012 record sea ice minimum year
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1371/journal.pone.0076599
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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