Oocystis A. Braun

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Oocystis sp.

Oval cells. Cell size 6 x 11 µm. 4-celled colony surrounded by the wall of the mothercell.

Photographer/artist Helena Höglander

Additional image information

Title
Oocystis sp.
Photographer/artist
Helena Höglander
Copyright holder
Helena Höglander
Institute
Stockholm university, Department of Ecology, Environment and Plant Sciences
Contributing organisation
HELCOM-PEG
Contributor
Helena Höglander
Caption
Oval cells. Cell size 6 x 11 µm. 4-celled colony surrounded by the wall of the mothercell.
Sampling date
2017-10-11
Geographic area
Baltic Sea - Northern Baltic proper
Location
Askö, B1
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
HELCOM-PEG

Description

Biovolumes

Species Oocystis
Division CHLOROPHYTA
Class Chlorophyceae
Order CHLOROCOCCALES
Trophy AU
Geometric shape rotational ellipsoid
Formula p/6*d^2*l
Size class 1 2 3 4
Unit cell cell cell cell
Size range 3-4x7 4-5x7-8 5-6x8-12 6-8x12-17
Length(l1), µm 7.0 7.5 10.0 14.5
Diameter(d1), µm 3.5 4.5 5.5 7.0
No. of cells/counting unit 1 1 1 1
Calculated volume, µm3 45 79 158 372
Calculated Carbon pg/counting unit 8 13 25 56

Source

Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz, E. 2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),
PEG_BVOL.zip

Change History

  • 2018-12-07 14:11:10 Helena_Hoglander_PEG - Updated media metadata for Oocystis_1.jpg
  • 2018-12-07 14:08:52 Helena_Hoglander_PEG - Added media: Oocystis_1.jpg