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  • GEOMAR Catalogue / E-Books
  • Journals
  • Articles  (9)
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  • Dessau-Roßlau : Umweltbundesamt  (3)
  • WILEY-BLACKWELL PUBLISHING  (3)
  • GFZ German Research Centre for Geosciences  (2)
  • Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung  (1)
  • GEOMAR
  • 2015-2019  (9)
  • 2017  (9)
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  • GEOMAR Catalogue / E-Books
  • Journals
  • Articles  (9)
  • Data
  • OceanRep  (1)
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  • 2015-2019  (9)
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  • 1
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    ICDP Primer - Planning, Managing, and Executing Continental Scientific Drilling Projects (2017)
    GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2020-02-12
    Description: This brochure is designed for scientists and engineers of upcoming drilling projects and explains the key steps and important challenges in planning and executing continental scientific drilling.
    Language: English
    Type: info:eu-repo/semantics/book
    Format: application/pdf
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    GFZ OAI
  • 2
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    Decomposing multiple dimensions of stability in global change experiments (2017)
    WILEY-BLACKWELL PUBLISHING
    In:  EPIC3Ecology Letters, WILEY-BLACKWELL PUBLISHING, ISSN: 1461-023X
    Details
    Publication Date: 2017-11-14
    Description: Ecological stability is the central framework to understand an ecosystem’s ability to absorb or recover from environmental change. Recent modelling and conceptual work suggests that stability is a multidimensional construct comprising different response aspects. Using two freshwater mesocosm experiments as case studies, we show how the response to single perturbations can be decomposed in different stability aspects (resistance, resilience, recovery, temporal stability) for both ecosystem functions and community composition. We find that extended community recovery is tightly connected to a nearly complete recovery of the function (biomass production), whereas systems with incomplete recovery of the species composition ranged widely in their biomass compared to controls. Moreover, recovery was most complete when either resistance or resilience was high, the latter associated with low temporal stability around the recovery trend. In summary, no single aspect of stability was sufficient to reflect the overall stability of the system.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 3
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    Role of modular polyketide synthases in the production of polyether ladder compounds in ciguatoxin-producing Gambierdiscus polynesiensis and G. excentricus (Dinophyceae) (2017)
    WILEY-BLACKWELL PUBLISHING
    In:  EPIC3Journal of Eukaryotic Microbiology, WILEY-BLACKWELL PUBLISHING, ISSN: 1066-5234
    Details
    Publication Date: 2018-12-21
    Description: Gambierdiscus, a benthic dinoflagellate, produces ciguatoxins that cause the human illness Ciguatera. Ciguatoxins are polyether ladder compounds that have a polyketide origin, indicating that polyketide synthases (PKS) are involved in their production. We sequenced transcriptomes of Gambierdiscus excentricus and Gambierdiscus polynesiensis and found 264 contigs encoding single domain ketoacyl synthases (KS; G. excentricus: 106, G. polynesiensis: 143) and ketoreductases (KR; G. excentricus: 7, G. polynesiensis: 8) with sequence similarity to type I PKSs, as reported in other dinoflagellates. In addition, 24 contigs (G. excentricus: 3, G. polynesiensis: 21) encoding multiple PKS domains (forming typical type I PKSs modules) were found. The proposed structure produced by one of these megasynthases resembles a partial carbon backbone of a polyether ladder compound. Seventeen contigs encoding single domain KS, KR, s-malonyltransacylase, dehydratase and enoyl reductase with sequence similarity to type II fatty acid synthases (FAS) in plants were found. Type I PKS and type II FAS genes were distinguished based on the arrangement of domains on the contigs and their sequence similarity and phylogenetic clustering with known PKS/FAS genes in other organisms. This differentiation of PKS and FAS pathways in Gambierdiscus is important, as it will facilitate approaches to investigating toxin biosynthesis pathways in dinoflagellates.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 4
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    Biodiversity change is uncoupled from species richness trends: consequences for conservation and monitoring (2017)
    WILEY-BLACKWELL PUBLISHING
    In:  EPIC3Journal of Applied Ecology, WILEY-BLACKWELL PUBLISHING, pp. 1-16, ISSN: 0021-8901
    Details
    Publication Date: 2017-11-08
    Description: Global concern about human impact on biological diversity has triggered an intense research agenda on drivers and consequences of biodiversity change in parallel with international policy seeking to conserve biodiversity and associated ecosystem functions. Quantifying the trends in biodiversity is far from trivial, however, as recently documented by meta-analyses, which report little if any net change in local species richness through time. Here, we summarise several limitations of species richness as a metric of biodiversity change and show that the expectation of directional species richness trends under changing conditions is invalid. Instead, we illustrate how a set of species turnover indices provide more information content regarding temporal trends in biodiversity, as they reflect how dominance and identity shift in communities over time. We apply these metrics to three monitoring datasets representing different ecosystem types. In all datasets, nearly complete species turnover occurred, but this was disconnected from any species richness trends. Instead, turnover was strongly influenced by changes in species presence (identities) and dominance (abundances). We further show that these metrics can detect phases of strong compositional shifts in monitoring data and thus identify a different aspect of biodiversity change decoupled from species richness. Synthesis and applications: Temporal trends in species richness are insufficient to capture key changes in biodiversity in changing environments. In fact, reductions in environmental quality can lead to transient increases in species richness if immigration or extinction has different temporal dynamics. Thus, biodiversity monitoring programmes need to go beyond analyses of trends in richness in favour of more meaningful assessments of biodiversity change.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
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    Annual Report 2016 - Facts and Figures (2017)
    Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
    In:  EPIC3Communications and Media Relations, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 17 p.
    Details
    Publication Date: 2017-07-25
    Repository Name: EPIC Alfred Wegener Institut
    Type: Outreach , notRev
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  • 6
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    Implementation of nationally determined contributions : Indonesia country report (2017)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-02-18
    Description: The study analyses the country background, emissions trends, ongoing activities and barriers relating to the implementation of the Nationally Determined Contribution (NDC) of Indonesia under the UNFCCC. A special emphasis is laid on further mitigation potentials. Fields of mitigation assessed are land use, land use change and forestry (LULUCF) governance and monitoring as well as electricity demand and generation. A chapter is dedicated to the ongoing and planned increase in coal use - contrary to mitigation ambition in other fields - including an analysis of the economic role and local impacts of coal.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 7
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    Proceedings of the DENDROSYMPOSIUM 2016 : May 11th - 15th, 2016 in Białowieża, Poland (2017)
    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report
    Details
    Publication Date: 2020-04-08
    Description: This publication is a result of the 15th TRACE conference „Tree Rings in Archaeology, Climatologyand Ecology” organized by the University of Silesia, Silesian Botanical Garden, University ofWrocław, Forest Research Institute and Białowieża National Park. The conference was held onMay 11th – 15th, 2016 in Białowieża, Poland, in the heart of the Białowieża Forest, the last naturalforest in the European Lowlands, a UNESCO World Heritage Site and Biosphere Reserve. University Pablo de Olavide (UPO) and the Association for Tree-ring Research (ATR), in collaboration with Pyrenean Institute of Ecology-Spanish National Research Council (IPE-CSIC), University of Barcelona (UB), Forest and Wood Technology Research Centre (CETEMAS) and University of Valladolid (UVa). The TRACE 2015 conference was held on May 20-23, 2015 for the first time in the Iberian Peninsula, in Sevilla, Spain.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
    Format: application/pdf
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  • 8
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    Biomassekaskaden : mehr Ressourceneffizienz durch Kaskadennutzung von Biomasse ; von der Theorie zur Praxis (2017)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-02-18
    Description: Das Forschungsprojekt untersucht, ob und wie die stoffliche Nutzung von Biomasse in Kaskaden zur Steigerung der Ressourceneffizienz beitragen kann. Es entwickelt eine klare Definition des Begriffs der Kaskadennutzung und analysiert existierende Konzepte der Kaskadennutzung. Als relevante Felder der Kaskadennutzung werden der Holzsektor, der Papiersektor, der Textilsektor und der Kunststoffsektor identifiziert und Ökobilanzen jeweils in diesen vier Sektoren durchgeführt. Die Ergebnisse zeigen deutliche Umweltvorteile für die Mehrzahl der untersuchten Kaskadenoptionen, es bedarf jedoch der Einzelfallbetrachtung. Ein Bewertungskonzept zur ersten Einschätzung möglicher Kaskadenansätze für Anwender wird entwickelt. Das Projekt empfiehlt, die Kaskadennutzung von Biomasse als "Prinzip" unterstützend in übergreifende Politikziele und Strategien einzubinden.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: report , doc-type:report
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  • 9
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    Weiterentwicklung der Energieeffizienzpolitiken zur Erreichung der Klimaschutzziele der Europäischen Union bis 2050 : Abschlussbericht (2017)
    Dessau-Roßlau : Umweltbundesamt
    Details
    Publication Date: 2022-02-18
    Description: Vor dem Hintergrund der europäischen Klimaschutzziele bis 2050 und der damit erforderlichen Dekarbonisierung der Wirtschaft werden in dem Vorhaben die Weiterentwicklungsoptionen der europäischen Energieeffizienzpolitiken untersucht. Es werden die Sektoren private Haushalte, Verkehr und Industrie betrachtet sowie der förderliche Rahmen, d. h. auch sektorübergreifende Instrumente. In den vorgeschlagenen Politikpaketen soll sich die Vielfalt der Instrumententypen abbilden. Neben Best-Practice-Beispielen liegen Länderstudien für drei große Volkswirtschaften der EU vor (Deutschland, Frankreich, Italien) und mit Polen auch eine Länderstudie für einen Mitgliedstaat aus dem mittelosteuropäischen Raum.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: report , doc-type:report
    Format: application/pdf
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