Coelastrum astroideum De Not.

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Coelastrum astroideum

OCCURRENCE: summer; T=13÷14°C; S=3÷7 PSU LIFE FORM: coenobium, cells are ovoid, with thickening in the apical part and without connecting processes; CELL SIZE: 5-7 µm diameter

Photographer/artist Janina Kownacka

Additional image information

Title
Coelastrum astroideum
Photographer/artist
Janina Kownacka
Copyright holder
Janina Kownacka
Copyright stamp
jmkownacka
Institute
National Marine Fisheries Research Institute
Contributing organisation
HELCOM-PEG
Contributor
Janina Kownacka
Caption
OCCURRENCE: summer; T=13÷14°C; S=3÷7 PSU LIFE FORM: coenobium, cells are ovoid, with thickening in the apical part and without connecting processes; CELL SIZE: 5-7 µm diameter
Sampling date
June 2005
Geographic area
Baltic Sea - The Gulf of Gdansk
Location
near the Vistula river outlet
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Stain
No stain
Image galleries
HELCOM-PEG

Description

IDs in other systems
Tropic type
A

Biovolumes

Species Coelastrum astroideum
Author De Notaris 1867
Division CHLOROPHYTA
Class Chlorophyceae
Order CHLOROCOCCALES
Trophy AU
Geometric shape sphere
Formula p/6*d^3
Size class 1 2 3
Unit cell cell cell
Size range 5 6 8
Diameter(d1), µm 5.0 6.0 8.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 65 113 268
Calculated Carbon pg/counting unit 11 18 41

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

  • 2012-06-04 07:52:54 Janina Kownacka - Updated media metadata for Coelastrum astroideum_1.jpg
  • 2012-06-04 07:46:06 Janina Kownacka - Added media: Coelastrum astroideum_1.jpg