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  • Baltic Sea; Boknis_Eck; Breitgrund; Fehmarn_Belt; GIK-cruise; Hausgarten; Kieler Bucht; MON; Monitoring; Monitoring station; MONS  (1)
  • Baltic Sea; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Fehmarn_Belt; Monitoring station; MONS; Oxygen; Oxygen saturation; Phosphorus; Phosphorus in orthophosphate; Proteins; Salinity; Seston, dry mass; Temperature, water  (1)
  • Blattellidae
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Verlag/Herausgeber
Erscheinungszeitraum
  • 1
    ISSN: 1573-1561
    Schlagwort(e): Dictyoptera ; Blattellidae ; Blattella germanica ; German cockroach ; aggregation ; pheromone
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Aggregation behavior and reduced locomotory activity in the German cockroach is known to be caused by chemical compounds in the feces. The attractive and/or arrestant efficacy of three relevant substances was tested in first instars by a two-choice aggregation test and in adults with a locomotion compensator apparatus that allows quantification of taste-directed orientation and walking speed as a function of antennal stimulation. The three substances tested were a feces crude extract; a mixture of six carboxylic acids (mix G) out of a total of 29 that were identified in the feces extract and tested as single compounds and in various combinations; and a steroid glucoside denoted as blattellastanoside A, which has been suggested as an aggregation arrestant pheromone in Blattella germanica. With both of our test methods, feces extract and mix G proved to be very attractive, whereas the effects of blattellastanoside A were, if anything, very poor. Possible reasons for discrepancies are discussed.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2023-05-12
    Schlagwort(e): Baltic Sea; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Fehmarn_Belt; Monitoring station; MONS; Oxygen; Oxygen saturation; Phosphorus; Phosphorus in orthophosphate; Proteins; Salinity; Seston, dry mass; Temperature, water
    Materialart: Dataset
    Format: text/tab-separated-values, 1694 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2023-05-12
    Beschreibung: This data volume presents a series of planktological observations carried out over a 19-year-period in Kiel Bight in the Western Baltic Sea. Three fixed stations were visited at monthly intervals, and the planktion standing stock was investigated in relation to depth and environmental factors, employing a standard observation programme. This consisted in the measurements of temperature, salinity, density, oxygen, phosphorus, seston, protein and chlorophyll a. Additional measurements comprised in the caloric content of seston, particulate organic carbon and nitrogen, as well as dry weight and organic matter of plankton, sampled by vertical hauls of three plankton nets of different mesh size.
    Schlagwort(e): Baltic Sea; Boknis_Eck; Breitgrund; Fehmarn_Belt; GIK-cruise; Hausgarten; Kieler Bucht; MON; Monitoring; Monitoring station; MONS
    Materialart: Dataset
    Format: application/zip, 5 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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