Pediastrum tetras (Ehrenb.) Ralfs, 1844

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Pediastrum tetras

Photographer/artist Justyna Kobos

Additional image information

Title
Pediastrum tetras
Photographer/artist
Justyna Kobos
Copyright holder
Justyna Kobos
Institute
University of Gdańsk, Institute of Oceanography
Contributing organisation
HELCOM-PEG
Contributor
Janina Kownacka
Geographic area
Baltic Sea - The Gulf of Gdansk
Location
Polska
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Stain
No stain

Synonym names

  • Stauridium tetras

Description

IDs in other systems
Tropic type
A

Biovolumes

Species Pediastrum tetras
Author (Ehrenberg) Ralfs 1844
Division CHLOROPHYTA
Class Chlorophyceae
Order CHLOROCOCCALES
Trophy AU
Geometric shape cylinder
Formula p/4*d^2*h
Size class 1 2 3 4 5 6
Unit coenobium coenobium coenobium coenobium coenobium coenobium
Size range coen.: 4-6x15-20 coen.: 4-6x20-35 coen.: 4-6x35-50 coen.: 6-10x15-20 coen.: 6-10x20-35 coen.: 10-12x20-35
Height(h), µm 5.0 5.0 5.0 8.0 8.0 11.0
Diameter(d1), µm 17.5 27.5 42.5 17.5 27.5 27.5
No. of cells/counting unit 8 8 16 8 8 8
Calculated volume, µm3 1 202 2 968 7 090 1 923 4 749 6 530
Calculated Carbon pg/counting unit 191 447 1 056 297 695 937

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

  • 2012-06-08 08:22:56 Janina Kownacka - Updated media metadata for Pediastrum tetras_3.jpg
  • 2012-06-08 08:20:17 Janina Kownacka - Added media: Pediastrum tetras_3.jpg
  • 2012-06-08 08:19:23 Janina Kownacka - Updated media metadata for Pediastrum tetras_2.jpg
  • 2012-06-08 08:11:44 Janina Kownacka - Added media: Pediastrum tetras_2.jpg
  • 2012-06-06 11:26:20 Irina Olenina - Updated media metadata for Pediastrum tetras_1.jpg
  • 2012-06-06 11:25:28 Irina Olenina - Added media: Pediastrum tetras_1.jpg