Actinastrum hantzschii Lagerh.

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Actinastrum hantzschii

OCCURRENCE: summer, T=13÷14°C; S=3 PSU LIFE FORM: star – like colonies; CELL SIZE: 14-30 x 2-2,6 µm

Photographer/artist Janina Kownacka

Additional image information

Title
Actinastrum hantzschii
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 PSU LIFE FORM: star – like colonies; CELL SIZE: 14-30 x 2-2,6 µm
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 Actinastrum hantzschii
Author Lagerheim 1882
Division CHLOROPHYTA
Class Chlorophyceae
Order CHLOROCOCCALES
Trophy AU
Geometric shape 2 cones
Formula p/12*d^2*h
Size class 1 2 3
Unit cell cell cell
Size range 2-3x10-15 2-3x15-20 2-3x20-25
Height(h), µm 12.5 17.5 22.5
Diameter(d1), µm 2.5 2.5 2.5
No. of cells/counting unit 1 1 1
Calculated volume, µm3 20 29 37
Calculated Carbon pg/counting unit 4 5 6

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 13:54:57 Irina Olenina - Updated media metadata for Actinastrum hantzschii_3.jpg
  • 2012-06-04 13:49:56 Irina Olenina - Added media: Actinastrum hantzschii_3.jpg
  • 2012-06-04 07:10:41 Janina Kownacka - Updated media metadata for Actinastrum hantzschii_2.jpg
  • 2012-06-04 07:06:48 Janina Kownacka - Added media: Actinastrum hantzschii_2.jpg
  • 2012-06-04 07:05:22 Janina Kownacka - Updated media metadata for Actinastrum hantzschii_1.jpg
  • 2012-06-04 06:42:20 Janina Kownacka - Added media: Actinastrum hantzschii_1.jpg