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  • 1
    Electronic Resource
    Electronic Resource
    Beginning of pollen flight information in the former German Democratic Republic (1991)
    Springer
    International journal of biometeorology 35 (1991), S. 61-62 
    Details
    ISSN: 1432-1254
    Keywords: Airborne pollen ; Volumetric pollen sampling ; Pollen flight information service ; GDR
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Volumetric air sampling via the Burkard pollen and spore trap is described. The influence of meteorological factors on the occurrence of airborne pollen was investigated; the concentration of pollen grains is increased in strata of reduced vertical air exchange. A pollen flight information service has been developed since 1989 for Erfurt and other areas in the former German Democratic Republic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01040965
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Microhabitat selection of ostracods in relation to predation and food (1991)
    Springer
    Hydrobiologia 222 (1991), S. 115-119 
    Details
    ISSN: 1573-5117
    Keywords: Ostracoda ; predation risk ; habitat selection ; Cyprinids ; prey selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Experiments with the cyprinid fishVimba vimba as predator and the ostracodsCypridopsis vidua, Darwinula stevensoni andCytherissa lacustris as prey show that conspicuous coloration enhances predation risk for the ostracods. When the ostracods are allowed to retreat into sediment, risk is markedly reduced. ostracods show clear microhabitat preferences which are influenced by habitat structure and food supply. Exposed plant surfaces are visited only if they bear food and if the ostracods are not satiated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00006099
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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