Scenedesmus obtusus Meyen emend. Hegewald et al.

Description

IDs in other systems
Tropic type
A

Subordinate taxa

Illustration Taxon name
Scenedesmus obtusus f. alternans

Biovolumes

Species Scenedesmus obtusus
Author Meyen 1829 emend. Hegewald et al. 1988
Division CHLOROPHYTA
Class Chlorophyceae
Order CHLOROCOCCALES
Trophy AU
Geometric shape rotational ellipsoid
Formula p/6*d^2*l
Size class 1 2 3
Unit colony colony colony
Size range 4-6x8-12 6-8x12-15 8-10x15-20
Length(l1), µm 10.0 13.5 17.5
Diameter(d1), µm 5.0 7.0 9.0
No. of cells/counting unit 4 4 4
Calculated volume, µm3 523 1 385 2 967
Calculated Carbon pg/counting unit 84.0 209.4 428.3

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