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  • 2010-2014  (11)
  • 1960-1964  (4)
Keywords
Language
Years
Year
  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (5 pages)
    Edition: 1st ed.
    ISBN: 9783662014745
    Language: German
    Location Call Number Limitation Availability
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  • 2
    Type of Medium: Online Resource
    Pages: Online-Ressource
    Series Statement: Berichte zur Polar- und Meeresforschung 640
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Helgoland marine research 7 (1960), S. 72-79 
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary The distribution of the herring larvae in the southern North Sea and the English Channel was investigated in January 1959 during a cruise of RV „Anton Dohrn“. The samples were taken by oblique hauls of a modified Gulf III-Sampler („Hai“). The technique of handling the gear and of calculating the number of larvae per m2 is described in full. Tests by means of a depth recorder showed two results: 1. Up to 20 fathoms at least all strata have been fished equally by a continuous slow shooting and hauling the sampler. 2. The measurements of the wear angle can fairly be used for calculating the depth of fishing. The distribution of herring larvae according to their length and their stage of development is shown in table 1 and in two maps. A discussion will be given later in connection with the results of Dutch and British cruises in November 1958 to February 1959.
    Notes: Zusammenfassung Auf 177 Stationen, die über die Nordsee südlich 55° N und den Englischen Kanal verteilt waren, wurde im Januar 1959 das Vorkommen von Heringslarven untersucht. Die Fänge wurden mit einem als „Hai“ bezeichneten, in einigen Einzelheiten abgewandelten Gulf III-Sampler nachGehringer durchgeführt. Unter langsamen, kontinuierlichen Fieren und Hieven des Gerätes (0,4 bzw. 0,25 m/sec bei 6 kn Fahrt) konnten bei Schräghols alle Wasserschichten hinreichend gleichmäßig durchfischt werden. Bei günstigen Ablesebedingungen liefert die Angabe von Drahtwinkel und Trossenlänge im flachen Wasser der südlichen Nordsee brauchbare Werte für die Schlepptiefe. Die Menge des filtrierten Wassers wurde sowohl aus dem Öffnungsquerschnitt des „Hai“ als auch aus Strommesserangaben berechnet. Im Mittel stimmen beide Werte gut überein. Sie bilden die Grundlage für die Berechnung der Larvenzahl unter 1 m2 Meeresoberfläche Die Verbreitung der Heringslarven Mitte und Ende Januar 1959 ist in den Karten Abb. 5 und 6 wiedergegeben. Das Auftreten von 5 räumlich voneinander getrennten und durch die Größenverteilung unterschiedenen Larvengruppen wird kurz beschrieben. Eine Diskussion der Resultate im Hinblick auf die Herkunft und Volksstärke der einzelnen Larvengruppen, auf ihre Verfrachtung, Ausbreitung und Verlustrate sowie auf das Individualwachstum soll in Verbindung mit der Darstellung der Ergebnisse britischer und holländischer Forschungsfahrten demnächst andernorts gegeben werden.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Helgoland marine research 11 (1964), S. 161-167 
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Der Durchstrom durch den modifizierten Gulf-III-Sampler „Hai” wurde mit 2 Strommessern bei Schleppgeschwindigkeiten von 2,5 bis 8,5 kn auf einer Meßstrecke von 1 sm bestimmt. 2. Der Durchstrom pro Seemeile variiert in aufeinanderfolgenden Fängen bei gleicher Fahrtstufe um maximal 20%. 3. Der Durchstrom pro Seemeile ist bei Schleppgeschwindigkeiten unter 4 kn relativ gering, steigt dann zu einem Optimum bei 6 kn an, das auch bei höheren Geschwindigkeiten annähernd gehalten wird.
    Notes: Abstract Towing tests performed with a modified Gulf III-sampler (“Hai”) with flowmeters revealed an increase in the amount of water filtered per nautical mile with increasing towing speeds from 2.5 to about 6 knots. At higher speeds (6–9 knots) the filtration capacity remains almost constant. The variation between the readings of successive hauls at equal speeds does not exceed 20% and is smallest at 4 to 7 knots.
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2023-03-10
    Keywords: Celtic Sea; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; Latitude of event; Longitude of event; Pressure, water; Salinity; Scotland Sea; South Atlantic Ocean; Temperature, water; Walther Herwig II; WH043; WH043_001; WH043_002; WH043_003; WH043_004; WH043_005; WH043_006; WH043_007; WH043_008; WH043_009; WH043_010; WH043_011; WH043_012; WH043_013; WH043_014; WH043_015; WH043_016; WH043_017; WH043_018; WH043_019; WH043_020; WH043_021; WH043_022; WH043_023; WH043_024; WH043_025; WH043_026; WH043_027; WH043_028; WH043_029; WH043_030; WH043_031; WH043_032; WH043_033; WH043_034; WH043_035; WH043_036; WH043_037; WH043_038; WH043_039; WH043_040; WH043_041; WH043_042; WH043_043; WH043_044; WH88, BIOMASS/FIBEX?
    Type: Dataset
    Format: text/tab-separated-values, 1032 data points
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  • 6
    Publication Date: 2023-01-13
    Keywords: CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Drake Passage; Elevation of event; Event label; Latitude of event; Longitude of event; Pressure, water; Salinity; Scotia Sea; South Atlantic Ocean; South Pacific Ocean; Temperature, water; Walther Herwig II; Weddell Sea; WH030B; WH030B_001; WH030B_002; WH030B_003; WH030B_004; WH030B_006; WH030B_009; WH030B_010; WH030B_011; WH030B_012; WH030B_013; WH030B_014; WH030B_015; WH030B_016; WH030B_017; WH030B_018; WH030B_019; WH030B_020; WH030B_021; WH030B_022; WH030B_023; WH030B_024; WH030B_025; WH030B_026; WH030B_027; WH030B_028; WH030B_029; WH030B_030; WH030B_031; WH030B_032; WH030B_033; WH030B_034; WH030B_035; WH030B_036; WH030B_037; WH030B_038; WH030B_039; WH030B_040; WH030B_041; WH030B_042; WH030B_043; WH030B_044; WH030B_045; WH030B_046; WH030B_047; WH030B_048; WH030B_049; WH030B_050; WH030B_051; WH030B_052; WH030B_053; WH030B_054; WH030B_055; WH030B_056; WH030B_057; WH030B_058; WH030B_059; WH030B_060; WH030B_061; WH030B_062; WH030B_063; WH030B_064; WH030B_065; WH030B_066; WH030B_067; WH030B_068; WH030B_069; WH030B_070; WH030B_071; WH030B_072; WH030B_074; WH030B_075; WH030B_076; WH030B_077; WH030B_078; WH030B_079; WH030B_080; WH030B_081; WH030B_082; WH030B_083; WH030B_084; WH030B_085; WH030B_086; WH030B_087; WH030B_088; WH030B_089; WH030B_090; WH030B_091; WH030B_092; WH030B_093; WH030B_094; WH030B_095; WH030B_096; WH030B_097; WH030B_098; WH030B_099; WH030B_100; WH030B_101; WH030B_102; WH030B_103; WH030B_104; WH030B_105; WH030B_106; WH030B_107; WH030B_108; WH030B_109; WH030B_110; WH030B_111; WH030B_112; WH030B_113; WH030B_114; WH030B_115; WH030B_116; WH030B_117; WH030B_118; WH030B_119; WH030B_120; WH030B_121; WH030B_122; WH030B_123; WH030B_124; WH030B_125; WH030B_126; WH030B_127; WH030B_128; WH030B_129; WH030B_130; WH030B_131; WH030B_132; WH030B_133; WH75/2
    Type: Dataset
    Format: text/tab-separated-values, 6945 data points
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  • 7
    Publication Date: 2023-01-13
    Keywords: CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Drake Passage; Elevation of event; Event label; Latitude of event; Longitude of event; Pressure, water; Salinity; Scotia Sea; South Atlantic Ocean; Temperature, water; Walther Herwig II; Weddell Sea; WH020-1975_002; WH020-1975_003; WH020-1975_004; WH020-1975_005; WH020-1975_006; WH020-1975_007; WH020-1975_008; WH020-1975_009; WH020-1975_010; WH020-1975_011; WH020-1975_012; WH020-1975_013; WH020-1975_014; WH020-1975_015; WH020-1975_016; WH020-1975_017; WH020-1975_018; WH020-1975_019; WH020-1975_020; WH020-1975_021; WH020-1975_022; WH020-1975_023; WH020-1975_024; WH020-1975_025; WH020-1975_026; WH020-1975_027; WH020-1975_028; WH020-1975_029; WH020-1975_030; WH020-1975_031; WH020-1975_032; WH020-1975_033; WH020-1975_034; WH020-1975_035; WH020-1975_036; WH020-1975_037; WH020-1975_038; WH020-1975_039; WH020-1975_040; WH020-1975_041; WH020-1975_042; WH020-1975_043; WH020-1975_044; WH020-1975_045; WH020-1975_046; WH020-1975_047; WH020-1975_048; WH020-1975_049; WH020-1975_050; WH020-1975_051; WH020-1975_052; WH020-1975_053; WH020-1975_054; WH020-1975_055; WH020-1975_056; WH020-1975_057; WH020-1975_058; WH020-1975_059; WH020-1975_060; WH020-1975_061; WH020-1975_062; WH020-1975_063; WH020-1975_064; WH020-1975_065; WH020-1975_066; WH020-1975_067; WH020-1975_068; WH020-1975_069; WH020-1975_070; WH020-1975_071; WH020-1975_072; WH020-1975_073; WH020-1975_074; WH020-1975_075; WH020-1975_076; WH020-1975_077; WH020-1975_078; WH020-1975_079; WH020-1975_080; WH020-1975_081; WH020-1975/76; WH020-1976_001; WH020-1976_002; WH020-1976_003; WH020-1976_004; WH020-1976_005; WH020-1976_006; WH020-1976_007; WH020-1976_008; WH020-1976_009; WH020-1976_010; WH020-1976_011; WH020-1976_012; WH020-1976_013; WH020-1976_014; WH020-1976_015; WH020-1976_016; WH020-1976_017; WH020-1976_018; WH020-1976_019; WH020-1976_020; WH020-1976_021; WH020-1976_022; WH020-1976_023; WH020-1976_024; WH020-1976_025; WH020-1976_026; WH020-1976_027; WH020-1976_028; WH020-1976_029; WH020-1976_030; WH020-1976_031; WH020-1976_032; WH020-1976_033; WH020-1976_034; WH020-1976_035; WH020-1976_036; WH020-1976_037; WH020-1976_038; WH020-1976_039; WH020-1976_040; WH020-1976_041; WH020-1976_042; WH020-1976_043; WH020-1976_044; WH020-1976_045; WH020-1976_046; WH020-1976_047; WH020-1976_048; WH020-1976_049; WH020-1976_050; WH020-1976_051; WH020-1976_052; WH020-1976_053; WH020-1976_054; WH020-1976_055; WH020-1976_056; WH020-1976_057; WH020-1976_058; WH020-1976_059; WH020-1976_060; WH020-1976_061; WH020-1976_062; WH020-1976_063; WH020-1976_064; WH020-1976_065; WH020-1976_066; WH020-1976_067; WH020-1976_068; WH020-1976_069; WH020-1976_070; WH020-1976_071; WH020-1976_072; WH020-1976_073; WH020-1976_074; WH020-1976_075; WH020-1976_076; WH020-1976_077; WH020-1976_078; WH020-1976_079; WH020-1976_080; WH020-1976_081; WH020-1976_082; WH020-1976_083; WH020-1976_084; WH020-1976_085; WH020-1976_086; WH020-1976_087; WH020-1976_088; WH65, 1. Deutsche Antarktis-Expedition 1975/76, 1. Krill-Expedition
    Type: Dataset
    Format: text/tab-separated-values, 3231 data points
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  • 8
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    Unknown
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2023-06-21
    Keywords: ANT-I/2; AWI_Paleo; Code; CT; DATE/TIME; File name; File size; LATITUDE; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; Profile; PS01; PS01/2-track; Underway cruise track measurements; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 660 data points
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  • 9
    facet.materialart.
    Unknown
    Schweizerbart
    In:  Berichte der Deutschen wissenschaftlichen Kommission für Meeresforschung, Neue Folge, 16 (2). pp. 51-89.
    Publication Date: 2020-01-16
    Type: Article , PeerReviewed
    Format: text
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  • 10
    facet.materialart.
    Unknown
    In:  Biologie in unserer Zeit, 40 (6). pp. 386-395.
    Publication Date: 2014-02-18
    Description: Die Polarmeere der Arktis und Antarktis sind geprägt durch das Vorkommen von Meereis, das einen eigenen Lebensraum darstellt und das auch die Ökosysteme des Freiwassers und des Meeresbodens stark beeinflusst. Die Lebensbedingungen im Nord- und Südpolarmeer unterscheiden sich deutlich als Folge der Unterschiede ihrer geographischen Lage, des jeweiligen Lichtregimes und der Meereisbedeckung. Aufgrund ihrer unterschiedlichen Vereisungs- und Besiedlungsgeschichte steht der jungen, artenarmen arktischen Fauna eine alte, artenreiche antarktische Fauna gegenüber. Der Klimawandel ist im Nordpolarmeer und auch an der Antarktischen Halbinsel besonders deutlich. Hier schrumpft die sommerliche Eisbedeckung dramatisch und auch das mehrjährige Dauereis schwindet. Dies beeinträchtigt die Meereislebensgemeinschaften und ihre assoziierte Fauna und hat weitreichende Konsequenzen für das polare Plankton und Benthos. Impacts of climate change on polar seas The polar seas in the Arctic and Antarctic are characterized by extreme cold and the prevalence of sea ice, which provides a unique polar habitat but also strongly affects the pelagic and benthic biota beneath. Life conditions for the marine fauna and flora differ considerably between the Arctic and Southern Oceans, as a result of contrasts in geography, geological history, as well as seasonal dynamics in light regime, sea ice cover and, hence, biological production. Climate change is particularly obvious in the Arctic Ocean and off the Antarctic Peninsula where warming results in a rapid shrinkage of the summer sea ice cover. Such decline threatens the sea-ice communities and their associated fauna and will also have far reaching effects for the plankton and benthos of the polar seas.
    Type: Article , NonPeerReviewed
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