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  • 1
    Book
    Book
    Selected works of Gordon A. Riley (1982)
    [Halifax] : Dalhousie Univ.
    Details Availability
    Type of Medium: Book
    Pages: XXI, 489 S , graph. Darst.
    Language: English
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    GEOMAR CATALOGUE
    Link to Library Catalog
    get availability status
  • 2
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    Unknown
    The interaction between benthic diatom films and sediment transport (1986)
    In:  EPIC3Estuarine Coastal and Shelf Science, 23, pp. 225-238
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Viral Infections Predisposing to Bacterial Infections (1984)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Medicine 35 (1984), S. 469-479 
    Details
    ISSN: 0066-4219
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.me.35.020184.002345
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Fish production and the marine ecosystems of the Scotian Shelf, eastern Canada (1979)
    Springer
    Marine biology 54 (1979), S. 101-108 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Fishery production and food webs have been studied on the Scotian Shelf and upper continental slope along a transect running 270 km SE of Halifax, Canada. The area (TCNAF Division 4W) supports a fishery of roughly 0.15x106 metric tons. Overall primary production of the shelf waters is 102 g C m-2 year-1 and of the slope wacers about 128 g C m-2 year-1. Demersal fish production (average 4.1 kcal m-2 year-1) is highest over the shelf and declines in an offshore direction, while pelagic fish production (average 16 kcal m-2 year-1) is highest over the slope and declines in an inshore direction. Hypothetical food webs of these two intergrading ecosystems have been constructed, based on data for primary production, fish catches, and the biomasses of zooplankton and macrobenthos. These lead us to suggest that there are basic differences in food chains and efficiencies between the two ecosystems that account for their differences in production. Although primary production is 17% higher on an average on the Nova Scotian transect than in the North Sea, the apparent zooplankton and macrobenthos production is 31% lower and macrobenthos production may also be lower. Overall fish catch from the Scotian Shelf and slope is about 47% lower per unit area than the catch in the North Sea, despite the fact that the demersal catches are identical. This is accounted for by a much lower overall pelagic catch from the Nova Scotian area, centered in a region that is small compared to the total area. Fish production in different regions cannot be predicted merely on the basis of differences in level of primary production, but must take into account differences in the structure of the ecosystems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00386589
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    The St. Lawrence River in winter: population structure, biomass, and pattern of its primary and secondary food web components (1981)
    Springer
    Hydrobiologia 79 (1981), S. 65-75 
    Details
    ISSN: 1573-5117
    Keywords: rivers ; phytoplankton ; zooplankton ; benthic invertebrates ; winter ecology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Plankton and benthic invertebrate populations were examined along a 160 km section of the St. Lawrence River between Lake Ontario and Waddington, New York during a period of ice cover. Algal biomass was low in winter with diatoms and cryptomonads the most prominent forms. Zooplankton biomass was about one-tenth the algal standing crop and cyclopoid copepods predominated. Phytoplankton and zooplankton biomass declined downriver providing evidence that most plankton was imported from Lake Ontario. Benthic invertebrate standing crop was greatest near Lake Ontario where molluscs were abundant. The downriver macroinvertebrate community shifted to coarse particle feeders, namely annelids and chironomids. Beds of accumulated detrital material derived primarily from dieback of macrophytes were particularly rich in benthic invertebrates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00005820
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Effect of influenza viras on phagocytic cells (1982)
    Springer
    European journal of clinical microbiology & infectious diseases 1 (1982), S. 171-177 
    Details
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Many viral infections predispose to bacterial superinfection, and it has been suggested that the increased susceptibility to bacterial infections is at least in part due to the effect of virus on the phagocytic cell function. Since the mechanisms by which the viruses affect neutrophil function are not well understood, we studied the function of polymorphonuclear leukocytes (PMNs) after incubation with influenza virus. Phagocytosis was assayed by incubating influenza virus (strain type A-Texas-77 [H2N2]) treated leukocytes with3H-thymidine-labelled staphylococci. The oxidative metabolism of the PMNs was studied by measuring the chemiluminescence generated by virus-treated PMNs after incubation with zymosan. Chemotaxis was measured under agarose. After incubation with 107 EID50 units of influenza virus, PMNs ingested only 35 % of the bacteria, whereas control leukocytes ingested over 80 %. Influenza virus also reduced the mobility of the PMNs and markedly suppressed the generation of chemiluminiscence. UV-killed virus with intact neuraminidase produced similar effects but virus with heat-inactivated neuraminidase did not. Virus envelope-neuraminidase may be responsible for some of the effects of the virus on the PMNs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02019619
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    Paper (German National Licenses)
    Fulltext
  • 7
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    Unknown
    Food web interactions in lakes : proceedings of a workshop held at the University of Notre Dame, March 21 - 26, 1987 (1988)
    Springer
    In:  In: Complex interactions in Lake Communities. Springer, New York, USA, pp. 141-160. ISBN 0-387-96684-6
    Details
    Publication Date: 2012-03-22
    Type: Book chapter , PeerReviewed
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    OceanRep: Book chapter
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