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  • 1
    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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  • 2
    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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  • 3
    In: Faszination Meeresforschung, Bremen : Hauschild, 2006, (2006), Seite 31-39, 3897573105
    In: 9783897573109
    In: year:2006
    In: pages:31-39
    Type of Medium: Article
    Language: German
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  • 4
    In: Journal of plankton research, Oxford : Oxford Univ. Press, 1979, 30(2008), 5, Seite 529-550, 1464-3774
    In: volume:30
    In: year:2008
    In: number:5
    In: pages:529-550
    Description / Table of Contents: The abundance and vertical distribution of microcopepods sampled by nets with 55 My m mesh size was compared for two neighbouring but hydrographically different areas, the Gulf of Aqaba and the northernmost Red Sea, during spring 1999. The vertical structure of the total microcopepod communities differed considerably between the two regimes: In the stratified waters of the Red Sea, calanoids outnumbered oncaeids as well as oithonids at 0- 100 m, whereas oncaeids dominated in all meso- and bathypelagic layers below 100 m deep. In the unusually deep vertically mixed waters of the Gulf of Aqaba, calanoids outnumbered each of the non-calanoid taxa as deep as 250 or 350 m, whereas the oncaeid dominated deep water community was restricted to depth ranges below 400 m. Dominant non-calanoid species in both areas were Oncaea bispinosa, Paroithona pacifica, Oithona simplex, Spinoncaea ivlevi, O. tregoubovi and O. cristata. O. scottodicarloi occurred in exceptionally high numbers in the northern Gulf. Pronounced differences between the two areas were found in the vertical distribution of poecilostomatoid species. By comparing the present results with published data from the central and southern Red Sea and other tropical and warm-temperate oceanic areas, intra- and inter-oceanic differences in the structure of microcopepod communities in oligotrophic areas are discussed. The high abundance and vertically extended range of calanoid copepods during spring appears to be a specific feature of the Gulf of Aqaba, indicating an unusual vertical succession in the trophodynamic structure of the copepod fauna in this area.
    Type of Medium: Online Resource
    Pages: graph. Darst
    ISSN: 1464-3774
    Language: English
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  • 5
    In: Journal of plankton research, Oxford : Oxford Univ. Press, 1979, 30(2008), 6, Seite 655-672, 1464-3774
    In: volume:30
    In: year:2008
    In: number:6
    In: pages:655-672
    Description / Table of Contents: Abundance, distribution, population structure, lipid content, lipid composition and reproductive and feeding activity of Rhincalanus nasutus were studied in the Gulf of Aqaba and in the northern Red Sea during RV "Meteor"-cruise M 44-2 in February/March 1999. Rhincalanus nasutus occurred in higher numbers in the Gulf of Aqaba (585 ind m-2) than in the northern Red Sea (254 ind m-2). Young developmental stages (nauplii, copepodite stages CI and CII) were absent. In the southern Gulf of Aqaba, the bulk of the population developed from stage CV to adult in the course of the 3-week study period. In contrast, immature CV stages dominated at the adjacent stations in the northern Gulf of Aqaba and in the northern Red Sea. Development was associated with the seasonal vertical migration from wintering mid-water layers and initiation of feeding starting as early as beginning of March in the southern Gulf of Aqaba. No upward migration was observed in the northern parts of the Gulf and in the northern Red Sea, where more than 90% of the females remained immature during our study. Lipids were dominated by wax esters in females and CV. The fatty acid and fatty alcohol compositions of females were very similar throughout the study region and period. Major fatty acids were 18:1(n-9), 16:1(n-7), 16:2(n-4) and 20:5(n-3). Our results support the previous reports of a seasonal dormancy of R. nasutus in the Gulf of Aqaba and suggest that the timing of vertical migration, feeding and maturation is closely coupled to the development of the spring bloom in oligotrophic subtropical waters.
    Type of Medium: Online Resource
    Pages: graph. Darst
    ISSN: 1464-3774
    Language: English
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  • 6
    Keywords: Forschungsbericht ; Populationsdynamik ; Euphausia superba ; Lazarev-See ; Lipidstoffwechsel
    Type of Medium: Online Resource
    Pages: Online-Ressource (38 S., 11,9 MB) , Ill., graph. Darst.
    Language: German
    Note: Förderkennzeichen BMBF 03F0400B , Unterschiede zwischen der elektronischen Ressource und dem gedruckten Dokument können nicht ausgeschlossen werden. - Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 7
    Publication Date: 2023-04-21
    Keywords: DrescherInlet; Marine Mammal Tracking; MMT
    Type: Dataset
    Format: application/zip, 277.8 kBytes
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  • 8
    Publication Date: 2023-04-21
    Keywords: DrescherInlet; Marine Mammal Tracking; MMT
    Type: Dataset
    Format: application/zip, 8.3 MBytes
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  • 9
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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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  • 10
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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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