Pediastrum tetras (Ehrenb.) Ralfs, 1844

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Pediastrum tetras (Ehrenberg) Ralfs 1844

Photographer/artist Irina Olenina

Additional image information

Title
Pediastrum tetras (Ehrenberg) Ralfs 1844
Photographer/artist
Irina Olenina
Copyright holder
Institute
Department of Marine Research, Environmental Protection Agency
Contributing organisation
HELCOM-PEG
Contributor
Irina Olenina
Sampling date
11-08-2010
Location
South-eastern part of the Baltic Sea, Lithuanian coastal waters
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Image galleries
HELCOM-PEG

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

  • 2021-10-12 16:58:57 Janina Kownacka - Updated media metadata for Pediastrum tetras_2.jpg
  • 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