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  • 1
    Monograph available for loan
    Monograph available for loan
    Time variation of height and gravity (1983)
    Budapest : Akadémiai Kiadó
    Associated volumes
    Details Availability
    Call number: O 5843
    In: Sammlung Wichmann
    Type of Medium: Monograph available for loan
    Pages: 160 S. : graph. Darst.
    ISBN: 963053231X
    Series Statement: Sammlung Wichmann 14
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Festschrift in honour of Professor Dr. Péter Biró (2002)
    Budapest : Univ. of Technology and Economics
    Associated volumes
    Details Availability
    Call number: M 03.0354
    In: Periodica polytechnica
    Type of Medium: Series available for loan
    Pages: S. 151-242 S.
    Series Statement: Periodica polytechnica : civil engineering 46,2
    Classification:
    Geodesy
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Neogobius fluviatilis in Lake Balaton—a Ponto-Caspian goby new to the fauna of central Europe (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 4 (1972), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A new species of Ponto-Caspian Neogobius fluviatilis is reported from Lake Balaton. This is the most western occurrence in central Europe. The main taxonomic marks and the distinguishing features from the related species are discussed and the geographical ranges are summarized. The immigration into Lake Balaton, the successful acclimatization indicated by spawning and some ecological characters are also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1972.tb05671.x
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  • 4
    Electronic Resource
    Electronic Resource
    Acute effects of the sodium salt of 2,4-D on the early developmental stages of bleak, Alburnm alburnus (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 14 (1979), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The acute effects of a herbicide based on 2,4-D on embryos and larvae of bleak, Alburnus alburnus L. exposed to concentrations of 25–3200 mg 1−1 for 12–48 hours were investigated. The 2,4-D delayed or stopped the development of embryos in their early stages, caused behavioural changes and morphological alterations. The L.C.50 values for embryos varied between 12–9 and 15·9–4mg 1−1 and for larvae from 51·6 to 111·2mg 1−1 according to the time of exposure. The level of 2,4-D in Lake Balaton, or similar shallow lakes, without substantial injury of the littoral fish fauna should not surpass 0·5–1·0 mg 1−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1979.tb03499.x
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  • 5
    Electronic Resource
    Electronic Resource
    Biomass of planktonic crustaceans and the food of young cyprinids in the littoral zone of Lake Balaton (1995)
    Springer
    Hydrobiologia 303 (1995), S. 39-48 
    Details
    ISSN: 1573-5117
    Keywords: Lake Balaton ; littoral zone ; crustaceans ; feeding ; cyprinids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The littoral zone of Lake Balaton and its periphyton-zooplankton-fish communities have been investigated intensively in recent years. Total average number of crustacean plankton varied from 36 to 126 ind l−1, their biomass from 0.49 to 1.86 mg ww l−1 month−1 at different areas of the littoral zone. In general, these values for the above parameters were higher in hypertrophic areas. 23 fish species occurred in the littoral zone with cyprinids dominating. The seasonal food spectra of Y-O-Y roach (Rutilus rutilus), white bream (Blicca bjoerkna) and bream (Abramis brema) were based mainly on planktonic crustaceans and benthic/periphytic invertebrates. According to the frequency of occurrence of crustaceans and other invertebrates, the food composition of young cyprinids differed significantly in the NE and SW-basins of the lake.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00034042
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  • 6
    Electronic Resource
    Electronic Resource
    The food of bream (Abramis brama L.) in two basins of Lake Balaton of different trophic status (1991)
    Springer
    Hydrobiologia 209 (1991), S. 51-58 
    Details
    ISSN: 1573-5117
    Keywords: food composition ; food selectivity ; bream ; Lake Balaton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Contrary to earlier observations the food composition of bream (Abramis brama L.) in Lake Balaton has changed in parallel with eutrophication. These changes were probably caused by increased population density and connected with density dependent growth as well as sharpened inter- and intraspecific competition in the cyprinid community. According to the frequency of occurrence, zooplankton followed by benthic invertebrates comprised the majority of the bream's food. By weight, however, benthic food dominated in both basins. Size-related dietary changes were pronounced, but statistically not always significant, suggesting the overall importance of the most abundant and available prey types. Bream did not strongly select any of the zooplankton groups, however, seasonal changes in food composition alternated in parallel with the trophic gradient along the longitudinal axis of the lake.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00006717
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  • 7
    Electronic Resource
    Electronic Resource
    Trophic relationships between primary producers and fish yields in Lake Balaton (1990)
    Springer
    Hydrobiologia 191 (1990), S. 213-221 
    Details
    ISSN: 1573-5117
    Keywords: chlorophyll a ; morphometry ; fish yields ; energy transfer ; Lake Balaton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Relationships between chlorophyll a content of the water, the shoreline-length: water area ratio and the annual total fish yield as catch per unit effort (CUE: kg ha−1 100 h−1 as annual mean values) have been calculated by multivariable regression. The determination coefficient (r 2 = 0.913) showed a significant dependence of fish yield on morphometry of different lake areas. Accordingly, fish carrying capacity of the open water areas, calculated from chlorophyll a content and S/A, ranged from 12 to 34%, but that of the littoral zone between 66 and 88%. These findings have also been supported by echo-sounding records of the horizontal distribution of fish. Bream (Abramis brama L.) contributes the majority (70–80%) of fish stock and yield. Its food mainly consists of zooplankton and benthic invertebrates in ratios that are widely variable with season and depend on the age of fish. Average daily food consumption of individuals (age group 3 + and over) varies between 2 and 5 g. Bream consumes two- to three-times more food in the SW basin than in the NE one. This means that the present stocks inhabiting areas from NE to SW consume annually 13249–20085 t yr−1 of food. According to estimated calorific values, the annual energy consumption of local populations along the longitudinal axis of the lake varies between 93 and 141 kJ m−2 yr−1. The efficiency of energy transfer from primary producers to fish is low and varies from 0.04 to 0.1%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026054
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  • 8
    Electronic Resource
    Electronic Resource
    Electrically amplified precordial stethoscope (1994)
    Springer
    Journal of clinical monitoring and computing 10 (1994), S. 410-412 
    Details
    ISSN: 1573-2614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01618424
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  • 9
    Electronic Resource
    Electronic Resource
    A Formula to Calculate Oxygen Uptake during Low Flow Anesthesia Based on FIO2 Measurement (1998)
    Springer
    Journal of clinical monitoring and computing 14 (1998), S. 141-144 
    Details
    ISSN: 1573-2614
    Keywords: anesthesia circle system ; low flow anesthesia ; FIO2 monitoring ; oxygen uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Notes: Abstract Monitoring of oxygen uptake during general anesthesia would have several benefits, but unfortunately, this is usually not available in the clinical routine situation. The herein proposed formula to calculate oxygen uptake (VO2) necessitates only the accurate measurement of FIO2 as well as fresh gas flow and composition. Additionally, this method is not affected by the presence of anesthetic gases. The calculation uses the difference in oxygen content between the delivered fresh gas and the resulting FIO2 in the anesthesia circle system. This gap originates from oxygen uptake (that is mainly caused by metabolic oxygen consumption) and is more pronounced if low fresh gas flows are administered. In order to obtain representative results, calculation of VO2 should be performed only after achievement of respiratory steady state conditions. Due to its simplicity and wide availability, it has the potential to become a valuable extension in anesthesia monitoring during the performance of routine general anesthesia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007413018732
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  • 10
    Electronic Resource
    Electronic Resource
    A Formula to Calculate Oxygen Uptake During Low Flow Anesthesia Based on FIO2 Measurement (1998)
    Springer
    Journal of clinical monitoring and computing 14 (1998), S. 295-295 
    Details
    ISSN: 1573-2614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009937318694
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