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  • AL573; AL573_0_Underway-1; Alkor (1990); Calculated from internal temperature and conductivity; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; Quality flag, salinity; Quality flag, water temperature; Salinity; SALINO; Salinometer; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT; TSG  (1)
  • Abundance per volume; Biovolume; Bottle number; Calculated; Cell biovolume; Chaetoceros affinis; Chaetoceros affinis, biovolume; Chaetoceros affinis, cell biovolume; Description; Emiliania huxleyi; Emiliania huxleyi, biovolume; Emiliania huxleyi, cell biovolume; Mean values; Number percentage; Process; Treatment  (1)
  • Laminaria
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  • 1
    ISSN: 1573-5117
    Keywords: biological interaction ; depth distribution ; Laminaria ; light ; seaweed ; Streblonema ; upper limit ; UV
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The kelp Laminaria saccharina dominates soft bottoms in 4–10 m depth in Kiel Bay. Experimental sporophytes transplanted to 2 and 5 m depth showed the typical annual growth pattern of Laminaria species. Surprisingly, 2 m plants died after the first resting phase, whereas 5 m plants survived and showed outgrowth of a new blade generation. Thalli at both depths were infected with the brown algal endophyte Streblonema aecidioides, with host deformations being significantly stronger in 2 m plants. Growth rates of infected sporophytes were reduced. Exclusion of UV light in 2 m depth resulted in less infected thalli. Discs excised from L. saccharina and cultivated in different photon fluence rates from 10–600 µmol m−2 s−1 did not differ in growth rate, photosynthesis or dark respiration. Hence, an exclusion of L. saccharina from shallow depths caused by high light cannot be concluded. We suggest the biological interaction with the endophyte S. aecidioides, amplified by UV light, to be most important for the exclusion of L. saccharina from shallow depths in the western Baltic.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2023-07-10
    Keywords: Abundance per volume; Biovolume; Bottle number; Calculated; Cell biovolume; Chaetoceros affinis; Chaetoceros affinis, biovolume; Chaetoceros affinis, cell biovolume; Description; Emiliania huxleyi; Emiliania huxleyi, biovolume; Emiliania huxleyi, cell biovolume; Mean values; Number percentage; Process; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 754 data points
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  • 3
    Publication Date: 2024-04-11
    Description: Underway temperature and salinity data was collected along the cruise track with a thermosalinograph (TSG) together with a SBE38 Thermometer. Both systems worked throughout the cruise. While temperature is taken at the water inlet in about 4 m depth, salinity is estimated within the interior TSG from conductivity and interior temperature. No temperature calibration was performed. Salinity was calibrated with independent water samples taken at the water inlet. For details to all processing steps see Data Processing Report.
    Keywords: AL573; AL573_0_Underway-1; Alkor (1990); Calculated from internal temperature and conductivity; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; Quality flag, salinity; Quality flag, water temperature; Salinity; SALINO; Salinometer; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT; TSG
    Type: Dataset
    Format: text/tab-separated-values, 113456 data points
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