Desmodesmus communis (Hegewald) Hegewald, 2000

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Desmodesmus communis

OCCURRENCE: autumn LIFE FORM: colonies of 2-4 (8) cells, dense, linear; cells elongated cylindrical with widely or cone-like rounded ends, with 4 spines, each at the apices of terminal cells; cell wall smooth; cell size: 8-25(36) x 2-7(12)           

Photographer/artist Janina Kownacka

Additional image information

Title
Desmodesmus communis
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: autumn LIFE FORM: colonies of 2-4 (8) cells, dense, linear; cells elongated cylindrical with widely or cone-like rounded ends, with 4 spines, each at the apices of terminal cells; cell wall smooth; cell size: 8-25(36) x 2-7(12)           
Sampling date
September 2009
Geographic area
Baltic Sea - The Gulf of Gdansk
Location
Sopot pier
Latitude, degree
54
Latitude, minute
26.8
Longitude, degree
18
Longitude, minute
34.4
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
DIC/Nomarski
Stain
No stain
Image galleries
HELCOM-PEG

Description

IDs in other systems
Tropic type
A

Biovolumes

Species Desmodesmus communis
Author (Hegewald) Hegewald 2000
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 colony colony colony colony
Size range 3-4x10-12 4-6x10-13 4-6x13-17 7x17-20
Length(l1), µm 11.0 12.0 15.0 18.5
Diameter(d1), µm 3.5 5.0 5.0 7.0
No. of cells/counting unit 4 4 4 4
Calculated volume, µm3 282 628 785 1 898
Calculated Carbon pg/counting unit 47.0 99.6 122.9 281.5

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

  • 2012-06-06 10:31:54 Irina Olenina - Updated media metadata for Desmodesmus communis_2.jpg
  • 2012-06-06 10:29:49 Irina Olenina - Added media: Desmodesmus communis_2.jpg
  • 2012-06-04 11:37:40 Janina Kownacka - Updated media metadata for Desmodesmus communis_1.jpg
  • 2012-06-04 11:31:30 Janina Kownacka - Added media: Desmodesmus communis_1.jpg