Skeletonema costatum (Grév.) Cleve, 1878

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Skeletonema costatum

A = Chain (BF); B = Chain at different focus (DIC); C = Frustules (SEM)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Skeletonema costatum
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A = Chain (BF); B = Chain at different focus (DIC); C = Frustules (SEM)
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
A
Morphology
Small cells linked firmly with long external tubes of the marginal strutted processes
Other remarks

Distribution: Worldwide
Life form
Cells united in long chains
Size
Diameter = 2 - 21 µm, pervalvaraxis 2-61 µm
Resting spore
?
Culture collections
SCCAP
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at http://www.sccap.dk.
Strains: K-0669
Literature
Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
Hasle, G. R. 1973b. Morphology and taxonomy of Skeletonema costatum. (Bacillariophyceae). Norw. J. Bot. 20: 109-137.
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385.
Medlin, L. K., Elwood, H. J., Stickel, S. & Sogin, M. L. 1991. Morphological and genetic variation within the diatom Skeletonema costatum (Bacillariophyta): evidence for a new species, Skeletonema pseudocostatum. J. Phycol. 27: 514-524.

Biovolumes

Species Skeletonema costatum
Author (Greville) P.T. Cleve 1878
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order EUPODISCALES (BIDDULPHIALES, CENTRALES)
Trophy AU
Geometric shape cylinder
Formula p/4*d^2*h
Size class 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Unit cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell cell
Size range 2x3-5 3x3-5 3x6-8 4x7-8 5x7-10 6x7-10 7x7-10 10x5 2x14 3x9-14 3x15-25 4x9-14 4x15-25 5x9-14 5x15-25 6x9-14 6x15-25 7x9-14 7x15-25 8x9-14 8x15-25 10x9-14 10x15-25
Height(h), µm 4.0 4.0 7.0 7.5 8.5 8.0 8.5 5.0 14.0 11.0 19.0 11.0 21.0 11.0 19.0 11.0 19.0 11.0 19.0 11.0 19.0 11.0 21.0
Diameter(d1), µm 2.0 3.0 3.0 4.0 5.0 6.0 7.0 10.0 2.0 3.0 3.0 4.0 4.0 5.0 5.0 6.0 6.0 7.0 7.0 8.0 8.0 10.0 10.0
No. of cells/counting unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Calculated volume, µm3 13 28 49 94 167 226 327 393 44 78 134 138 264 216 373 311 537 423 731 553 955 864 1 649
Calculated Carbon pg/counting unit 2 4 7 11 18 23 32 37 6 10 15 16 26 23 35 30 47 39 61 48 75 69 117

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

  • 2012-10-05 14:45:25 Ann-Turi Skjevik - Deleted media: Skeletonema costatum_1197322826.jpg
  • 2011-10-18 16:38:47 Bengt Karlson - Deleted media: Skeletonema costatum_2.JPG
  • 2011-10-17 09:20:33 Bengt Karlson - Added media: Skeletonema costatum_2.JPG