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  • American Association for the Advancement of Science (AAAS)  (14.846)
  • 1980-1984  (10.817)
  • 1975-1979  (4.029)
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  • 1
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    Bioluminescent countershading in midwater animals: evidence from living squid (1976)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 191 (4231). pp. 1046-1048.
    Details
    Publikationsdatum: 2020-05-08
    Beschreibung: Midwater squid respond to overhead illumination by turning on numerous downward-directed photophores; they turn off the photophores when overhead illumination is eliminated. The squid are invisible when the intensity of the photophores matches the intensity of the overhead illumination. These results strongly support the theory of ventral bioluminescent countershading.
    Materialart: Article , PeerReviewed
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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    ARTIKEL (OCEANREP)
  • 2
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    Strontium-Calcium Thermometry in Coral Skeletons (1979)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 204 (4391). pp. 404-407.
    Details
    Publikationsdatum: 2019-05-24
    Beschreibung: The strontium to calcium ratio of skeletal aragonite in three genera of reef-building corals varies as a simple function of temperature and the strontium to calcium ratio of the incubation water. The strontiumlcalcium distribution coefficients of coral aragonite apparently differ from the corresponding coefficient of inorganically precipitated aragonite. With some care, coral skeletons can be used as recording thermometers.
    Materialart: Article , PeerReviewed
    Format: text
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  • 3
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    Nautilus Growth and Longevity: Evidence from Marked and Recaptured Animals (1984)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 224 (4652). pp. 990-992.
    Details
    Publikationsdatum: 2019-03-19
    Beschreibung: Study of Nautilus belauensis i its natural habitat in Palau, West Caroline Islands, shows that growth is slow (0.1 millimeter of shell per day on the average) and decreases as maturity is approached and that individuals may live at least 4 years beyond maturity. Age estimates for seven animals marked and recaptured between 45 and 355 days after release range from 14.5 to 17.2 years. These data indicate that the life-span of Nautilus may exceed 20 years and that its life strategy is very different from that of other living cephalopods.
    Materialart: Article , PeerReviewed
    Format: text
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  • 4
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    Detection of Overflow Events in the Shag Rocks Passage, Scotia Ridge (1981)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 213 (4512). pp. 1113-1114.
    Details
    Publikationsdatum: 2019-01-21
    Beschreibung: During an almost yearlong period of observations made with a current meter in the fracture zone between the Falkland Islands (Islas Malvinas) and South Georgia, several overflow events were recorded at a depth of 3000 meters carrying cold bottom water from the Scotia Sea into the Argentine Basin. The outflow bursts of Scotia Sea bottom water, a mixing product of Weddell Sea and eastern Pacific bottom water, were associated with typical speeds of more than 28 centimeters per second toward the northwest and characteristic temperatures below 0.6°C. The maximum 24-hour average speed of 65 centimeters per second, together with a temperature of 0.29°C, was encountered on 14 November 1980 at a water depth of 2973 meters, 35 meters above the sea floor.
    Materialart: Article , PeerReviewed
    Format: text
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  • 5
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    Calcium Carbonate Hexahydrate from Organic-Rich Sediments of the Antarctic Shelf: Precursors of Glendonites (1982)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 216 (4550). pp. 1128-1131.
    Details
    Publikationsdatum: 2018-03-08
    Beschreibung: Large euhedral crystals of calcium carbonate hexahydrate were recovered from a shelf basin of the Bransfield Strait, Antarctic Peninsula, at a water depth of 1950 meters and sub-zero bottom water temperatures. The chemistry, mineralogy, and stable isotope composition of this hydrated calcium carbonate phase, its environment of formation, and its mode of precipitation confirm the properties variously attributed to hypothetical precursors of the glendonites and thereby greatly expand their use in paleoceanographic interpretation.
    Materialart: Article , PeerReviewed
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  • 6
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    Estimates of Cenozoic Oceanic Sedimentation Rates (1977)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 197 (4298). pp. 53-55.
    Details
    Publikationsdatum: 2018-02-07
    Beschreibung: Estimation of average Cenozoic sedimentation rates for the Atlantic, Indian, and Pacific oceans indicates global synchronous fluctuations. Paleocene-early Eocene and late Eocene-early Miocene rates are only a fraction of middle Eocene and middle Miocene-Recent rates. These changes must reflect significantly different modes of continental weathering, which may be due to alternate states of atmospheric circulation marked by reduction of global precipitation.
    Materialart: Article , PeerReviewed
    Format: text
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  • 7
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    Erratum (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1984-12-21
    Beschreibung: In the report "Growth inhibitor from BSC-1 cells closely related to platelet type beta transforming growth factor" by Ronald F. Tucker et al. (9 Nov., p. 705), figures 1 and 2 on page 706 were incorrectly interchanged. The figure captions are correct.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1984 Dec 21;226(4681):1377.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17788978" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 8
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    Daniel e. Koshland, jr., new editor of science (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1984-12-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ames, B N -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1396-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17788983" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 9
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    Allometry: scaling (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1984-12-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bennett, A F -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1412-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17788992" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 10
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    Discovery of nucler tracks in interplanetary dust (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1984-12-21
    Beschreibung: Nuclear tracks have been identified in interplanetary dust particles (IDP's) collected from the stratosphere. The presence of tracks unambiguously confirms the extraterrestrial nature of IDP's, and the high track densities (10(10) to 10(11) per square centimeter) suggest an exposure age of approximately 10(4) years within the inner solar system. Tracks also provide an upper temperature limit for the heating of IDP's during atmospheric entry, thereby making it possible to distinguish between pristine and thermally modified micrometeorites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bradley, J P -- Brownlee, D E -- Fraundorf, P -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1432-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17788999" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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