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  • 2015-2019  (78)
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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer
    Keywords: Life sciences ; Aquatic ecology ; Nature ; Environment ; Marine sciences ; Freshwater ; Life Sciences ; Oceanography. ; Ecology . ; Life sciences ; Aquatic ecology ; Nature ; Environment ; Marine sciences ; Freshwater ; Meereskunde ; Meeresbiologie ; Meeresökologie ; Aufsatzsammlung ; Meereskunde ; Meeresbiologie ; Meeresökologie
    Description / Table of Contents: Prolog -- 1 Die physikalische Umwelt „Meer“ -- 2 Der marine Kohlenstoffkreislauf -- 3 Das Pelagial -- 4 Eine virtuelle Reise durch den Atlantik – Energieflüsse, Nahrungswege und Anpassungspfade -- 5 Das Leben im Eispalast: Flora und Fauna des arktischen Meereises -- 6. Wechselwirkungen zwischen Meeresboden und Ozean: Die pelago-benthische Kopplung im Südpolarmeer -- 7 Auftriebsgebiete und El Niño -- 8 Das Bakterioplankton – Riese und Regulator im marinen Stoffumsatz -- 9 Das Phytoplankton im Überblick -- 10 Die wichtigsten Gruppen des Zooplanktons -- 11 Krill und Salpen prägen das antarktische Ökosystem -- 12 Mikroplastikmüll im Meer -- 13 Tintenfische – die Spitzenathleten der Weltmeere,- 14 Meeresschildkröten haben es schwer -- 15 Fischbrut im Nahrungsnetz -- 16 Der arktische Polardorsch und der Antarktische Silberfisch: Erfolgsgeschichten im Eismeer -- 17 Seevögel und ihre Ernährungsweisen als Spiegel der Meeresumwelt -- 18. Schweinswale in der Ostsee – Forschung für den Artenschutz -- 19 Leben am Meeresboden -- 20 Mikroorganismen des Tiefseebodens: Vielfalt, Verteilung, Funktion -- 21 Stabilität, Störungen oder Zufall: Was steuert marine Biodiversität? -- 22 Dunkle Energie: Symbiosen zwischen Tieren und chemosynthetischen Bakterien -- 23 Meeresküsten – ein Überblick -- 24 Leben auf festem Grund – Hartbodengemeinschaften -- 25 Muschelbänke, Seegraswiesen und Watten an Sand- und Schlickküsten -- 26 Mikroalgen in der Grenzschicht zwischen Sediment und Wasser -- 27 Wälder unter Wasser – Großalgengemeinschaften -- 28 Mangroven – Wälder zwischen Land und Meer -- 29 Ökosystem Korallenriff – Schatzkammer der Meere -- 30 Die Ostsee -- 31. Belastungen unserer Meere durch den Menschen -- 32 Wie wirkt der Klimawandel auf das Leben im Meer? -- 33 Ozeanversauerung: Gewinner und Verlierer im Plankton -- 34 CO2-Wirkung auf Meerestiere -- 35 Helgoland, Krill und Klimawandel -- 36 Klimaflüchtlinge, Migranten und Invasoren -- 37 Die Weltfischerei – mit weniger Aufwand fängt man mehr -- 38 Nachhaltiges Fischereimanagement – kann es das geben? -- 39 Zum Beispiel Kabeljau und Hering: Fischerei, Überfischung und Fischereimanagement im Nordatlantik -- 40 Der tote Leviathan – ein Streifzug durch die Geschichte des antarktischen Walfangs -- 41 Sushi und die Algenfarmen -- 42 Kultur von Meerestieren– mehr Eiweißnahrung aus dem Meer -- 43 Über Forschungsschiffe -- 44 Der Hausgarten in der Framstraße: Von der Momentaufnahme zur Langzeituntersuchung -- 45 Neue Methoden der Artbestimmung -- 46 Zeitmaschine DNA – die verschlüsselte Evolutionsgeschichte im Erbgut -- 47 Computermodelle als Werkzeuge der Meeresökologen -- 48 Meeresbiologische Forschungsinstitute in Deutschland -- Epilog.
    Type of Medium: Online Resource
    Pages: Online-Ressource (XXII, 573 S. 220 Abb. in Farbe, online resource)
    Edition: 2. Aufl. 2017
    ISBN: 9783662497142
    Series Statement: SpringerLink
    RVK:
    RVK:
    Language: German
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  • 2
    Keywords: Meereskunde ; Meeresbiologie ; Meeresökologie ; Aufsatzsammlung ; Meereskunde ; Meeresbiologie ; Meeresökologie
    Description / Table of Contents: Die Themenvielfalt reicht von Flora und Fauna des arktischen Meereises über Mikroplastikmüll im Meer bis hin zur Überfischung und die nachhaltige Nutzung des Meeres. Wichtige Werkzeuge der Mikrobiologen wie Forschungsschiffe, Unterwasserroboter, Gensonden und Datenbanken werden in verständlichen Artikeln beschrieben, Exkurse über die Geschichte und Struktur der meeresbiologischen Forschung in Deutschland runden den Titel ab. (2)
    Type of Medium: Book
    Pages: XXII, 573 Seiten , Illustrationen (überwiegend farbig) , 23.5 cm x 15.5 cm
    Edition: 2. Auflage
    ISBN: 3662497131 , 9783662497135
    DDC: 577.7
    RVK:
    RVK:
    Language: German
    Note: Literaturangaben , Enthält 55 Beiträge
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  • 3
    Publication Date: 2023-04-21
    Keywords: DrescherInlet; Marine Mammal Tracking; MMT
    Type: Dataset
    Format: application/zip, 277.8 kBytes
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  • 4
    Publication Date: 2023-04-21
    Keywords: DrescherInlet; Marine Mammal Tracking; MMT
    Type: Dataset
    Format: application/zip, 8.3 MBytes
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  • 5
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    PANGAEA
    In:  Supplement to: Nachtsheim, Dominik A; Ryan, Svenja; Schröder, Michael; Jensen, Laura; Oosthuizen, W Christiaan; Bester, Marthán Nieuwoudt; Hagen, Wilhelm; Bornemann, Horst (2019): Foraging behaviour of Weddell seals (Leptonychotes weddellii) in connection to oceanographic conditions in the southern Weddell Sea. Progress in Oceanography, 173, 165-179, https://doi.org/10.1016/j.pocean.2019.02.013
    Publication Date: 2023-03-16
    Description: The region of the Filchner Outflow System (FOS) in the southeastern Weddell Sea is characterized by intensive and complex interactions of different water masses. Dense Ice Shelf Water (ISW) emerging from beneath the ice shelf cavities on the continental shelf, meets Modified Warm Deep Water (MWDW) originating from the Antarctic Circumpolar Current at the sill of the Filchner Trough. These hydrographic features convert the FOS into an oceanographic key region, which may also show enhanced biological productivity and corresponding aggregations of marine top predators. In this context, six adult Weddell seals (Leptonychotes weddellii) were instrumented with CTD-combined satellite relay data loggers in austral summer 2014. By means of these long-term data loggers we aimed at investigating the influence of environmental conditions on the seals' foraging behaviour throughout seasons, focussing on the local oceanographic features. Weddell seals performed pelagic and demersal dives, mainly on the continental shelf, where they presumably exploited the abundant bentho-pelagic fish fauna. Diurnal and seasonal variations in light availability affected foraging activities. MWDW was associated with increased foraging effort. However, we observed differences in movements and habitat use between two different groups of Weddell seals. Seals tagged in the pack ice of the FOS focussed their foraging activities to the western and, partly, eastern flank of the Filchner Trough, which coincides with inflow pathways of MWDW. In contrast, Weddell seals tagged on the coastal fast ice exhibited typical central-place foraging and utilized resources close to their colony. High foraging effort in MWDW and high utilization of areas associated with an inflow of MWDW raise questions on the underlying biological features. This emphasizes the importance of further interdisciplinary ecological investigations in the near future, as the FOS may soon be impacted by predicted climatic changes.
    Keywords: Marine Mammal Tracking; MMT
    Type: Dataset
    Format: application/zip, 24 datasets
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  • 6
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    PANGAEA
    In:  University of Bremen, Marine Zoology | Supplement to: Bode, Maya; Koppelmann, Rolf; Teuber, Lena; Hagen, Wilhelm; Auel, Holger (2018): Carbon Budgets of Mesozooplankton Copepod Communities in the Eastern Atlantic Ocean-Regional and Vertical Patterns Between 24°N and 21°S. Global Biogeochemical Cycles, 32(5), 840-857, https://doi.org/10.1029/2017GB005807
    Publication Date: 2023-08-05
    Description: The copepods' impact on vertical carbon flux was assessed for stratified depth layers down to 2000 m at six stations along a transect between 24°N and 21°S in the eastern Atlantic Ocean in October/November 2012. Total copepod community consumption ranged from 202-604 mg C m⁻² day⁻¹, with highest ingestion rates in the tropical North Atlantic. Calanoids consumed 75-90% of the particulate organic carbon (POC) ingested by copepods, although the relative contribution of cyclopoids (mostly Oncaeidae) increased with depth. Net ingestion (=consumption - fecal pellet egestion) of POC varied from 106-379 mg C m⁻² day⁻¹ for calanoids and 37-51 mg C m⁻² day⁻¹ for cyclopoids, corresponding to 16-58% and 5-9%, respectively, of primary production (PP). In total, 9-33% and 2-5% of PP were respired as inorganic carbon by calanoids and cyclopoids, respectively. Copepod ingestion was highly variable between stations and depth layers, especially in the epi- and upper mesopelagic zone. Diel vertical migrants such as Pleuromamma enhanced the vertical flux to deeper layers, particularly in the region influenced by the Benguela Current. The impact of copepod communities on POC flux decreased below 1000 m and POC resources reaching the bathypelagic zone were far from being fully exploited by copepods. As key components, copepods are important mediators of carbon fluxes in the ocean. Their biomass, community composition and interactions strongly affect the magnitude of organic carbon recycled or exported to deeper layers. High variability, even at smaller vertical scales, emphasizes the complex dynamics of the biological carbon pump.
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
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    PANGAEA
    In:  Supplement to: Jungblut, Simon; Beermann, Jan; Boos, Karin; Saborowski, Reinhard; Hagen, Wilhelm (2017): Population development of the invasive crab Hemigrapsus sanguineus (De Haan, 1853) and its potential native competitor Carcinus maenas (Linnaeus, 1758) at Helgoland (North Sea) between 2009 and 2014. Aquatic Invasions, 12(1), 85-96, https://doi.org/10.3391/ai.2017.12.1.09
    Publication Date: 2023-11-14
    Description: The Asian shore crab Hemigrapsus sanguineus (De Haan, 1853) has recently established populations in the North Sea and now occurs within the native ranges of the green crab Carcinus maenas (Linnaeus, 1758). To determine potential competitive effects and to assess the progress of the invasion, species-specific population characteristics (numerical abundances, biomasses, and size distributions) of the two species around the island of Helgoland (German Bight, southern North Sea) were compared for surveys conducted in 2009 and 2014. Sampling sites were chosen based on accessibility and differed in their topography and wave exposure, which allowed testing for the influence of these factors on the establishment success of H. sanguineus. The numerical abundance and biomass of H. sanguineus increased markedly and approached those of C. maenas in 2014. At a sheltered site, H. sanguineus even outnumbered C. maenas, whereas the converse was observed at a site exposed to strong winds and waves. Although such contrasting abundance patterns between the native and the introduced shore crab may be the result of direct interference, the dominance of H. sanguineus at the sheltered site may also be explained by enhanced larval settling rates caused by odors of conspecifics. The results suggest that the invasion of H. sanguineus has not yet reached its equilibrium, and population abundances in the North Sea are expected to further increase in the future.
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 8
    Publication Date: 2023-11-14
    Keywords: Augusta Mole; Carcinus maenas, carapax width; Carcinus maenas, female; Carcinus maenas, male; DATE/TIME; Event label; Felswatt; HAND; Helgoland, North Sea; Kringel; Latitude of event; Longitude of event; Nordstrand; Northeastern_site; Northwestern_site; Sampling by hand; Southeastern_site; Southwestern_site
    Type: Dataset
    Format: text/tab-separated-values, 565 data points
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  • 9
    Publication Date: 2023-11-14
    Keywords: Augusta Mole; DATE/TIME; Event label; Felswatt; HAND; Helgoland, North Sea; Hemigrapsus sanguineus, carapax width; Hemigrapsus sanguineus, female; Hemigrapsus sanguineus, male; Kringel; Latitude of event; Longitude of event; Nordstrand; Northeastern_site; Northwestern_site; Sampling by hand; Southeastern_site; Southwestern_site
    Type: Dataset
    Format: text/tab-separated-values, 199 data points
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  • 10
    Publication Date: 2023-11-14
    Keywords: Augusta Mole; Carcinus maenas, carapax width; Carcinus maenas, female; Carcinus maenas, male; DATE/TIME; Event label; Felswatt; HAND; Helgoland, North Sea; Kringel; Latitude of event; Longitude of event; Nordstrand; Northeastern_site; Northwestern_site; Sampling by hand; Southeastern_site; Southwestern_site
    Type: Dataset
    Format: text/tab-separated-values, 543 data points
    Location Call Number Limitation Availability
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