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  • 1
    Publication Date: 1960-10-07
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 1961-01-01
    Print ISSN: 2194-4946
    Electronic ISSN: 2196-7105
    Topics: Geosciences , Physics
    Published by De Gruyter
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  • 3
    Publication Date: 1961-12-01
    Print ISSN: 0044-2968
    Topics: Geosciences , Physics
    Published by De Gruyter
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  • 4
    Publication Date: 1962-08-01
    Print ISSN: 0021-8847
    Electronic ISSN: 2056-5232
    Topics: Biology
    Published by Wiley
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  • 5
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    PERGAMON-ELSEVIER SCIENCE LTD
    In:  EPIC3Progress In Oceanography, PERGAMON-ELSEVIER SCIENCE LTD, ISSN: 0079-6611
    Publication Date: 2022-02-21
    Description: While numerous regional studies of bathymetric zonation of benthic fauna globally have been done, few large-scale analyses exist, and no ocean-scale studies have focused on the Arctic Ocean to date. In the present work we, hence, examined bathymetric zonation of macro- and megabenthos over a depth range spanning from the shelf to the abyssal plain (14 – 5416 m) and regionally extending from the Fram Strait to the Beaufort Sea (as a whole hereafter called the Central Arctic). Based on 104 quantitative (box-corers and grabs) and 37 semi- quantitative (trawls) samples compiled from different studies we evaluated bathymetric zonation patterns in abundance, biomass and diversity, and also compared species composition among samples. Abundance and biomass decreased with depth from 〉3000 ind. m-2 and 〉40 g ww m-2 to ∼130 ind. m-2 and 〈1 g ww m-2 corroborating previous studies. Diversity showed a parabolic pattern, peaking at ∼100-600 m. Cluster analysis revealed four (macrofauna) and five (megafauna) groups of benthic assemblages, including three that covered the upper and lower continental slope and the abyssal plains with relatively little overlap (named the Lower Shelf – Upper Slope 1, the Lower Slope and the Abyss). Substantial changes in benthic community composition were observed at depths 650-950 m (between the Lower Shelf – Upper Slope 1 and the Lower Slope) and 2600-3000 m (between the Lower Slope and the Abyss), so we interpreted these two depth horizons as major bathymetric boundaries. The first boundary (650-950 m) corresponds to the transition from sublittoral to bathyal fauna consistent with previous studies. The second boundary (2600-3000 m) reflects a decrease in benthic abundance, biomass and diversity within the Central Arctic abyssal plain. Bathymetric patterns and species overturn of benthos were relatively uniform throughout the entire Central Arctic continental slope and abyssal plain. For some regions of the Arctic Ocean, foremost for the area north from Greenland and Canadian Archipelago, benthic data are still unavailable and further research is needed.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 6
    Publication Date: 2022-10-17
    Description: Science communication is becoming increasingly important to connect academia and society, and to counteract fake news among climate change deniers. Online video platforms, such as YouTube, offer great potential for low-threshold communication of scientific knowledge to the general public. In April 2020 a diverse group of researchers from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research launched the YouTube channel "Wissenschaft fürs Wohnzimmer" (translated to "Sitting Room Science") to stream scientific talks about climate change and biodiversity every Thursday evening. Here we report on the numbers and diversity of content, viewers, and presenters from 2 years and 100 episodes of weekly livestreams. Presented topics encompass all areas of polar research, social issues related to climate change, and new technologies to deal with the changing world and climate ahead. We show that constant engagement by a group of co-hosts, and presenters from all topics, career stages, and genders enable a continuous growth of views and subscriptions, i.e. impact. After 783 days the channel gained 30,251 views and 828 subscribers and hosted well-known scientists while enabling especially early career researchers to improve their outreach and media skills. We show that interactive and science-related videos, both live and on-demand, within a pleasant atmosphere, can be produced voluntarily while maintaining high quality. We further discuss challenges and possible improvements for the future. Our experiences may help other researchers to conduct meaningful scientific outreach and to push borders of existing formats with the overall aim of developing a better understanding of climate change and our planet.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Other , notRev
    Format: application/pdf
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  • 7
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    In:  EPIC3KlimaWissen 2021 - Projekttag für Schüler*innen
    Publication Date: 2023-07-26
    Description: Unterhalb des lichtdurchfluteten Teils des Meeres beginnt sie – die Tiefsee. Nicht nur Dunkelheit, sondern auch hoher Druck und ein geringes Nahrungsangebot lassen die Tiefsee wie einen lebensfeindlichen Ort erscheinen. Vielmehr bildet sie aber ein einzigartiges und artenreiches globales Ökosystem. Doch die Tiefsee ist nicht nur Lebensraum für faszinierende Geschöpfe wie Vampirtintenfische, Asselspinnen oder Schlangensterne. Sie ist auch an zentralen Funktionen wie Nährstoffkreisläufen und Kohlenstoffspeicherung beteiligt. Umweltveränderungen aufgrund des Klimawandels können in der Tiefsee beispielsweise zu Veränderungen in der Artenvielfalt und den Nährstoffkreisläufen führen. Trotz ihrer großen Bedeutung und drohender Umweltveränderungen, insbesondere in den Polarregionen, ist die Tiefsee noch wenig erforscht. Mit Blick auf die arktischen Tiefseeregionen kann die Framstraße zwischen Grönland und Spitzbergen als Schlüsselregion betrachtet werden. Sie ist die einzige tiefe Wasserstraße zwischen dem nördlichen Atlantik und dem zentralen Arktischen Ozean, wodurch ein Austausch von großen Wassermassen gewährleistet wird. Um die Auswirkungen des Klimawandels in der Framstraße besser zu erforschen, hat das Alfred-Wegner-Institut für Polar- und Meeresforschung (AWI) vor 20 Jahren das HAUSGARTEN Observatorium errichtet. Dauerhaft installierte Messstationen sowie jährliche Untersuchungen vor Ort liefern unerlässliche Daten über Veränderungen durch den Klimawandel - von der Meeresoberfläche bis hin zum Tiefseeboden. Welche Folgen der Klimawandel für die arktische Tiefsee hat und warum diese auch direkt den Menschen betreffen, wird in diesem Vortrag am Beispiel der Framstraße mit Fokus auf biologische Prozesse beleuchtet.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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