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  • Deutsches GeoForschungsZentrum GFZ  (2)
  • Wiley  (2)
  • Frontiers Media  (1)
  • National Academy of Sciences
  • 2020-2023  (5)
  • 2000-2004
  • 1960-1964
  • 2022  (5)
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  • 1
    Publication Date: 2022-12-19
    Description: New sedimentological data of facies and diagenesis as well as chronological data including strontium (87Sr/86Sr)-isotope ratios and uranium (U)-series dating, radiocarbon (14C) accelerator mass spectrometry (AMS) dating and biostratigraphy from elevated reef terraces (makatea) in the southern Cook Islands of Mangaia, Rarotonga and Aitutaki contribute to controversial discussions regarding age and sea-level relationships of these occurrences during the Neogene and Quaternary. The oldest limestones of the uplifted makatea island of Mangaia include reef-related facies which are mid-Miocene in age, based on new Sr-isotope and biostratigraphical data. In between these older deposits and the lowest coastal reef terrace of marine isotope stage (MIS) 5e, various older Pleistocene reef-related facies were identified. Based on Sr-isotope ratios, these were deposited during earlier Pleistocene highstands (as old as 2.28 Ma). Rare reef terraces on Rarotonga belong to the Plio-Pleistocene and the late Miocene, according to 87Sr/86Sr ratios. The late Miocene age is enigmatic as it exceeds the age of subaerially exposed volcanic rocks of Rarotonga island. The fossil reef could have formed on an older submarine volcanic high that was later displaced by younger volcanism to its present position, or the Sr-age could be too old due to diagenetic resetting. The Plio-Pleistocene Rarotonga reef terraces are overlain irregularly by Holocene reef deposits that are interpreted as storm rubble. Reef terraces on Aitutaki represent evidence of a higher-than-present (up to 1 m) sea-level during the late Holocene, based on 14C AMS age data. They are very similar to elevated late Holocene reefs of adjacent French Polynesia with regard to composition, elevation and age.
    Type: Book chapter , NonPeerReviewed
    Format: text
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  • 2
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    Deutsches GeoForschungsZentrum GFZ
    In:  Inforeihe SAPIENS: Satellitendaten für Planung, Industrie, Energiewirtschaft und Naturschutz
    Publication Date: 2022-08-10
    Description: Satellitendaten in einem GIS zu bearbeiten, ist gar nicht so kompliziert. Das zweite Dokument aus der Reihe SAPIENS: Satellitendaten für Planung, Industrie, Energiewirtschaft und Naturschutz ermöglicht den Einstieg in das kostenlose Geoinformationssystem QGIS und beschreibt grundlegende Arbeitsschritte bei der Verarbeitung optischer Satellitendaten. Schritt für Schritt erklären wir, wie man die Daten mit QGIS in verschiedenen Bandkombinationen darstellen und Indizes berechnen kann und wie man sie symbolisieren, zuschneiden und exportieren kann, mit vielen zusätzlichen Tipps, weiterführenden Weblinks und einem Exkurs zu Vektor- und Offenen Geodaten.
    Language: German
    Type: info:eu-repo/semantics/book
    Format: application/pdf
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  • 3
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    Deutsches GeoForschungsZentrum GFZ
    In:  Inforeihe SAPIENS: Satellitendaten für Planung, Industrie, Energiewirtschaft und Naturschutz
    Publication Date: 2022-10-28
    Description: Sollen Satellitendaten bearbeitet werden, ist die von der ESA bereitgestellte kostenlose Software SNAP sehr gut geeignet, besonders für Sentineldaten. Aber wie funktioniert das englischsprachige Programm? Das Extra-Handbuch aus der Reihe SAPIENS: Satellitendaten für Planung, Industrie, Energiewirtschaft und Naturschutz erklärt anschaulich die wichtigsten Schritte und Funktionen. Wir zeigen, wie man Satellitenszenen einladen, visualisieren, atmoshärisch korrigieren, mit verschiedensten Werkzeugen bearbeiten und dabei häufige Arbeitsschritte automatisieren kann. Ein ganzes Kapitel ist außerdem der Vielzahl von Indizes gewidmet, die in SNAP zur Verfügung stehen.
    Language: German
    Type: info:eu-repo/semantics/book
    Format: application/pdf
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  • 4
    Publication Date: 2022-10-26
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Johri, S., Carnevale, M., Porter, L., Zivian, A., Kourantidou, M., Meyer, E. L., Seevers, J., & Skubel, R. A. Pathways to justice, equity, diversity, and inclusion in marine science and conservation. Frontiers in Marine Science, 8, (2021): 696180, https://doi.org/10.3389/fmars.2021.696180.
    Description: Marine conservation sciences have traditionally been, and remain, non-diverse work environments with many barriers to justice, equity, diversity, and inclusion (JEDI). These barriers disproportionately affect entry of early career scientists and practitioners and limit the success of marine conservation professionals from under-represented, marginalized, and overburdened groups. These groups specifically include women, LGBTQ+, Black, Indigenous, and people of color (BIPOC). However, the issues also arise from the global North/South and East/West divide with under-representation of scientists from the South and East in the global marine conservation and science arena. Persisting inequities in conservation, along with a lack of inclusiveness and diversity, also limit opportunities for innovation, cross-cultural knowledge exchange, and effective implementation of conservation and management policies. As part of its mandate to increase diversity and promote inclusion of underrepresented groups, the Diversity and Inclusion committee of the Society for Conservation Biology-Marine Section (SCB Marine) organized a JEDI focus group at the Sixth International Marine Conservation Congress (IMCC6) which was held virtually. The focus group included a portion of the global cohort of IMCC6 attendees who identified issues affecting JEDI in marine conservation and explored pathways to address those issues. Therefore, the barriers and pathways identified here focus on issues pertinent to participants’ global regions and experiences. Several barriers to just, equitable, diverse, and inclusive conservation science and practice were identified. Examples included limited participation of under-represented minorities (URM) in research networks, editorial biases against URM, limited professional development and engagement opportunities for URM and non-English speakers, barriers to inclusion of women, LGBTQ+, and sensory impaired individuals, and financial barriers to inclusion of URM in all aspects of marine conservation and research. In the current policy brief, we explore these barriers, assess how they limit progress in marine conservation research and practice, and seek to identify initiatives for improvements. We expect the initiatives discussed here to advances practices rooted in principles of JEDI, within SCB Marine and, the broader conservation community. The recommendations and perspectives herein broadly apply to conservation science and practice, and are critical to effective and sustainable conservation and management outcomes.
    Description: The Society for Conservation – Marine Section provided partial funding to support publication costs of this manuscript.
    Keywords: Equity ; Diversity ; Inclusion ; Conferences ; Peer-review ; Bias ; Marine ; Conservation
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 5
    Publication Date: 2022-07-20
    Description: The Antarctic krill (Euphausia superba Dana) is a keystone species in the Southern Ocean that uses an arsenal of hydrolases for biomacromolecule decomposition to effectively digest its omnivorous diet. The present study builds on a hybrid-assembled transcriptome (13,671 ORFs) combined with comprehensive proteome profiling. The analysis of individual krill compartments allowed detection of significantly more different proteins compared to that of the entire animal (1,464 vs. 294 proteins). The nearby krill sampling stations in the Bransfield Strait (Antarctic Peninsula) yielded rather uniform proteome datasets. Proteins related to energy production and lipid degradation were particularly abundant in the abdomen, agreeing with the high energy demand of muscle tissue. A total of 378 different biomacromolecule hydrolysing enzymes were detected, including 250 proteases, 99 CAZymes, 14 nucleases and 15 lipases. The large repertoire in proteases is in accord with the protein-rich diet affiliated with E. superba’s omnivorous lifestyle and complex biology. The richness in chitin-degrading enzymes allows not only digestion of zooplankton diet, but also the utilization of the discharged exoskeleton after moulting.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , NonPeerReviewed
    Format: application/pdf
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