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  • Other Sources  (13)
  • Cambridge University Press  (9)
  • American Association for the Advancement of Science (AAAS)
  • American Geophysical Union
  • 2005-2009
  • 1995-1999
  • 1990-1994  (13)
  • 1970-1974
  • 1990  (13)
  • 1
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    Geology of the USSR: A Plate-Tectonic Synthesis (1990)
    American Geophysical Union
    In:  Washington, D.C., American Geophysical Union, vol. 6, no. 1, pp. 1-40, (ISBN: 0-444-51340-X)
    Details
    Publication Date: 1990
    Keywords: EUROPROBE (Geol. and Geophys. in eastern Europe) ; Handbook of geology ; Geol. aspects ; Plate tectonics
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Vincit Veritas: A Portrait of the Life and Work of Norman Abraham Haskell, 1905-1970 (1990)
    American Geophysical Union
    In:  Washington, D.C., American Geophysical Union, vol. 96, pp. 225, (ISBN 0-471-95596-5)
    Details
    Publication Date: 1990
    Keywords: Nuclear explosion ; Textbook of geophysics ; Review article
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Chaotic Dynamics: An Introduction (1990)
    Cambridge University Press
    In:  Cambridge, Cambridge University Press, vol. 3, pp. 6322, (ISBN 0-521-79203-7)
    Details
    Publication Date: 1990
    Keywords: Textbook of physics ; Chaotic behaviour ; FractureT
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Sandeels in the diets of seals: application of novel and conventional methods of analysis to faeces from seals in the Moray Firth area of Scotland (1990)
    Cambridge University Press
    In:  Journal of the Marine Biological Association of the United Kingdom, 70 (04). pp. 829-840.
    Details
    Publication Date: 2020-07-16
    Description: Serological methods for prey identification have been applied to detection of residues ofsandeel (Ammodytidae) protein in faeces of common seals (Phoca vitulina) and grey seals(Halichoerus grypus) from the Moray Firth, north-east Scotland. Antisera raised to muscleprotein from Ammodytes marinus were evaluated by testing their reactions with proteinextracts made from a range of North Sea fish species and protein residues in in vitro digestates,seal digestive tracts and seal faeces. It was concluded that, using fused rocketimmuno-electrophoresis, linkage of precipitin peaks from unknown samples with peaksfrom standard sandeel extract was a reliable indicator of the presence of sandeel in theunknown sample. Seasonal variation in the incidence of sandeels in common seal diet in theMoray Firth was examined by identifying otoliths, bones, and proteins, and all threemethods indicated that sandeels occurred in the majority of samples tested in the summer,but were less important during the winter. Proteins were detected in fewer samples thanotoliths, particularly in February and March. Possible reasons for this difference arediscussed. Serological identification of sandeel proteins is potentially applicable to dietarystudies on all marine predators.
    Type: Article , PeerReviewed
    Format: text
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    PAPER (OCEANREP)
  • 5
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    Some observations on the behaviour of adult squids, Loligo forbesi, in captivity (1990)
    Cambridge University Press
    In:  Journal of the Marine Biological Association of the United Kingdom, 70 (02). p. 459.
    Details
    Publication Date: 2020-07-16
    Description: Thirty-four adult individuals of Loligo forbesi (males and females with dorsal mantle lengths from 27–77 cm) were observed in captivity in a 3 m diameter closed sea-water system on Faial Island, Azores. Squids were caught by jigging and were fed with horse mackerel (Trachurus picturatus) and chub mackerel (Scomber japonicus), either alive or dead. The maximum survival was 73 days. Feeding behaviour was dependent upon both the size of prey and its state of preservation;e.g. the squid would eat the head of small fish (〈 about 15 cm), reject the head of medium-sized fish (about 15–35 cm) and would eat only the dorsal part of a big fish (〉 about 35 cm) or a fish poorly preserved. Seventeen chromatic, 9 postural and 6 movement components of body patterns were observed and described. Conspecific interactions considered to be aggression and dominance were observed among males; no such interactions occurred when one male and two females were kept together. Body patterns in relation to relaxation, stress, shock, feeding, locomotion and aggression are also described.
    Type: Article , PeerReviewed
    Format: text
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  • 6
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    Global Climate Change and Intensification of Coastal Ocean Upwelling (1990)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 247 (4939). pp. 198-201.
    Details
    Publication Date: 2017-01-04
    Description: A mechanism exists whereby global greenhouse warning could, by intensifying the alongshore wind stress on the ocean surface, lead to acceleration of coastal upwelling. Evidence from several different regions suggests that the major coastal upwelling systems of the world have been growing in upwelling intensity as greenhouse gases have accumulated in the earth's atmosphere. Thus the cool foggy summer conditions that typify the coastlands of northern California and other similar upwelling regions might, under global warming, become even more pronounced. Effects of enhanced upwelling on the marine ecosystem are uncertain but potentially dramatic.
    Type: Article , PeerReviewed
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  • 7
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    Cephalopodologie (1990)
    American Association for the Advancement of Science (AAAS)
    In:  Science, 248 . pp. 898-899.
    Details
    Publication Date: 2017-02-15
    Type: Article , PeerReviewed
    Format: text
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  • 8
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    The role of bacterial mats in phosphate mineralization with particular reference to the Monterey Formation (1990)
    Cambridge University Press
    In:  In: Phosphate Deposits of the World Vol. 3: Neogene to modern phosphorites. , ed. by Burnett, W. C. and Riggs, S. R. Cambridge University Press, Camridge, England, pp. 300-311.
    Details
    Publication Date: 2020-05-04
    Description: Organic-rich shales sampled from the aples Beach section of the Monterey Formation. Califomia. contain authigenic phosphorite phases which apparently formed within bacterial mat laminations. Light and scanning electron microscope observations show that the fossilized remains ofthese mats are similar to communities of filamentous sulfur-oxidizing bacteria found today at slope-depth, sediment, oxic anoxic interfaces. The crystal size and habits ofthe phosphatic minerals resemble contemporaf) prec1pitates in contact with pore water solutions. Mineralogical and chemical analyses ofthe most phosphatic layers show that some are a nearly pure carbonate fluorapatite (or francolite). These la)ers are lightly colored and are sandwiched between black siliceous muds with 〈0.2% CaCOJ . and organic carbon contents that excecd 25%. In othcr phosphatic intcrvals of thc Naplcs Beach section. ca leite is a major diluent oflight and dark layers. The C:P ratio of a single modern bacterial mat sample shows that these benthic communities are more enriched in phosphorus than planktonic organic matter. Thus, the generally believed premise that authigenic phosphorite formation results from organic matter diagenesis in near-surface anoxic sediments is hcre modified by the contention that such transformations are more highly favored in sediments supporting massive microbial communities.
    Type: Book chapter , NonPeerReviewed
    Format: text
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  • 9
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    The impact of photoperiodicity on hatching of Loligo vulgaris and Loligo forbesi (1990)
    Cambridge University Press
    In:  Journal of the Marine Biological Association of the United Kingdom, 70 . pp. 597-610.
    Details
    Publication Date: 2020-11-16
    Description: The influence of photoperiodicity on hatching of Loligo forbesi and Loligo vulgaris embryos was investigated under different experimental light-dark (LD) conditions. The transition from light to dark stimulated hatching and functions as a "Zeitgeber" or synchronizer. Independent of the timing and duration of the dark period most embryos hatched soon after termination of the light period. Embyros which had developed in constant light, showed no hatching rhythm at all. If these embryos were exposed to a dark shock most embryos hatched soon after the onset of darkness. A twilight shock, in which the light was reduced by 50% (i.e. 50 µE s -1m-²), could not simulate hatching. Embryos which were kept from stage X on in an artifically controlled LD cycle, preferentially hatch in a period which coincides with the period at which darkness usually occured when placed in constant illumination from stage XX onwards.
    Type: Article , PeerReviewed
    Format: text
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  • 10
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    Photoreception in squid (1990)
    Cambridge University Press
    In:  In: Light and life in the sea. , ed. by Herring, P. J. Cambridge University Press, Cambridge, pp. 199-207. ISBN 0-521-39207-1
    Details
    Publication Date: 2021-05-04
    Description: Light absorbed by the photoreceptor membranes of the retina is transformed by a series of biochemical steps into changes in receptor potential. The visual pigment, rhodopsin, and associated enzymes which relay the visual signal belong to a widespread family of receptorenzyme complexes which transmit sensory, hormonal and neurotransmitter signals into cells. In the invertebrate visual system, rhodopsin activates enzymes which increase cytoplasmic calcium. The highly specialised and structurally ordered photoreceptors of the squid retina provide a favourable system for studying the mechanisms of these enzyme pathways.
    Type: Book chapter , NonPeerReviewed
    Format: text
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