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  • Inter Research  (1)
  • PANGAEA  (1)
  • 2000-2004  (2)
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  • Inter Research  (1)
  • PANGAEA  (1)
  • Springer  (1)
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  • 1
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    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2023-03-16
    Keywords: ARK-VII/2; AWI_BioOce; Biological Oceanography @ AWI; Chlorophyll a; Date/Time of event; DEPTH, water; Elevation of event; Event label; Fluorometry; Greenland Sea; Latitude of event; Longitude of event; MULT; Multiple investigations; Polarstern; PS17; PS17/098; PS17/099; PS17/100; PS17/102; PS17/103; PS17/104; PS17/105; PS17/106; PS17/107; PS17/108; PS17/109; PS17/110; PS17/111; PS17/112; PS17/113; PS17/114; PS17/115; PS17/116; PS17/117; PS17/118; PS17/119; PS17/120; PS17/121; PS17/122; PS17/123; PS17/124; PS17/125; PS17/126; PS17/127; PS17/128; PS17/129; PS17/130; PS17/131; PS17/132; PS17/134; PS17/135; PS17/136; PS17/137; PS17/138; PS17/139; PS17/140; PS17/141; PS17/142; PS17/143; PS17/144; PS17/145; PS17/146; PS17/147; PS17/148; PS17/149; PS17/151; PS17/152; PS17/153; PS17/161; PS17/162; PS17/163; PS17/164; PS17/165; PS17/166; PS17/167; PS17/168; PS17/169; PS17/170; PS17/171; PS17/172; PS17/173; PS17/174; PS17/175; PS17/176; PS17/177; PS17/178; PS17/179; PS17/180; PS17/181; PS17/182; PS17/183; PS17/184; PS17/185; PS17/186; PS17/187; PS17/188; PS17/189; PS17/190; PS17/191; PS17/192; PS17/193; PS17/194; PS17/195; PS17/196; PS17/197; PS17/198; PS17/199; PS17/200; PS17/201; PS17/202; PS17/203; PS17/204; PS17/205; PS17/206; PS17/207; PS17/208; PS17/209; PS17/210; PS17/211; PS17/212; PS17/213; PS17/214; PS17/215; PS17/216; PS17/217; PS17/218; PS17/219
    Type: Dataset
    Format: text/tab-separated-values, 1303 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2018-05-28
    Description: Zooplankton grazing on bacterio- and phytoplankton was studied in the Gulf of Aqaba and the Northern Red Sea during Meteor Cruise Me 44-2 in February-March 1999. Protozoan grazing on bacterioplankton and autotrophic ultraplankton was studied by the Landry dilution method. Microzooplankton grazing on phytoplankton 〉6 µm was studied by incubation experiments in the presence and absence of microzooplankton. Mesozooplankton grazing was studied by measuring per capita clearance rates of individual zooplankton with radioactively labelled food organisms and estimating in situ rates from abundance values. Protozoan grazing rates on heterotrophic bacteria and on algae 〈6 µm were high (bacteria: 0.7 to 1.1 d-1, ultraphytoplankton: 0.7 to 1.3 d-1), while grazing rates on Synechococcus spp. were surprisingly low and undetectable in some experiments. Mesozooplankton grazing was weak, cumulative grazing rates being ca. 2 orders of magnitude smaller than the grazing rates by protozoans. Among mesozooplankton, appendicularians specialised on smaller food items and calanoid copepods on larger ones.
    Type: Article , PeerReviewed
    Format: text
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