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  • GEOMAR Catalogue / E-Books  (7)
  • Articles  (57)
  • 2015-2019  (50)
  • 2010-2014  (9)
  • 2005-2009  (4)
  • 2000-2004  (1)
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  • 1
    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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  • 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
    Keywords: Hochschulschrift
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (87 Blatt = 1 MB) , Illustrationen, Diagramme
    Language: Undetermined
    Note: Zusammenfassung in deutscher und englischer Sprache
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  • 5
    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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  • 6
    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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  • 7
    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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  • 8
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lipid and fatty acid compositions of five notothenioid fishes from the Antarctic Weddell and Lazarev Seas were investigated in detail with regard to their different modes of life. The pelagic Aethotaxis mitopteryx was the lipid-richest species (mean of 61.4% of dry mass, DM) followed by Pleuragramma antarcticum (37.7%DM). The benthopelagic Trematomus lepidorhinus had an intermediate lipid content of 23.2%DM. The benthic Bathydraco marri (20.8%DM) and Dolloidraco longedorsalis (14.5%DM) belonged to the lipid-poorer species. Triacylglycerols were the major lipid class in all species. Important fatty acids were 16:0, 16:1(n-7), 18:1(n-9), 18:1(n-7), 20:5(n-3) and 22:6(n-3). The enhanced proportions of the long-chain monounsaturated fatty acids, 20:1 and 22:1, in the lipid-rich pelagic fishes clearly reflected the ingestion of the two copepod species, Calanoides acutus and Calanus propinquus, which are the only known Antarctic zooplankters rich in these fatty acids. Although wax esters are the major storage lipid in many prey species, they were absent in all notothenioid fishes studied. Thus, wax esters ingested with prey are probably converted to triacylglycerols via fatty acids or metabolised by the fishes. The enhanced lipid accumulation with increasingly pelagic lifestyle has energetic advantages, especially with regard to improved buoyancy. It is still unknown to what extent these lipids are utilised as energy reserves, since it has been suggested that not only the benthic but also the pelagic Antarctic fishes are rather sluggish, with a low scope for activity and hence low metabolic requirements.
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 2016-07-27
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 10
    Publication Date: 2016-08-01
    Description: Copepods comprise the majority of mesozooplankton communities in all marine regions. Their diversity is likely regulated by environmental parameters and species-specific ecophysiological aspects making the distributional pattern of certain species an environmental indicator to detect changes in the marine habitat. We studied copepod distribution and diversity at six stations along a meridional transect in the eastern Atlantic Ocean (25°N to 21°S) from surface to 2000 m depths. Community and trophic structures with special regard to calanoid copepods were analyzed. Below the euphotic zone, representatives of the family Spinocalanidae were particularly abundant and diverse but morphological species identification both of adults and juveniles was very challenging. To elucidate both diversity and species- and stage-specific vertical distribution of Spinocalanidae we therefore applied an integrated taxonomic approach combining morphology, DNA sequence analyses and proteomics using the matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Each specimen was analysed by the three methodologies by portioning the whole organism. Species clusters were similar for DNA sequence analyses and MALDI-TOF MS and resulted in a higher amount of species clusters compared to the morphological identification. Since MALDI-TOF MS is a rather time- and cost-efficient technology, we were able to identify high individual numbers of the Spinocalanidae and received a quantitative, high species-resolution picture of adult and juvenile Spinocalanidae and their distributional patterns.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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