Chaetoceros brevis Schütt, 1895

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Chaetoceros cf. brevis

A = Vegetative cells ( BF); B = Vegetative cells (PC); C = Vegetative cells (BF); D and E = Resting spores at two focal planes (arrow = spines) (BF), A - B and D - E living cells and C Lugolfixation

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Chaetoceros cf. brevis
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Copyright stamp
Maria Kuylenstierna
Institute
Dept. of Marine botany, University of Gothenburg
Contributor
Bengt Karlson
Caption
A = Vegetative cells ( BF); B = Vegetative cells (PC); C = Vegetative cells (BF); D and E = Resting spores at two focal planes (arrow = spines) (BF), A - B and D - E living cells and C Lugolfixation
Geographic area
Skagerrak - Swedish coast
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Not described
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Other remarks
What have been referred to C. brevis could possibly belong to several species according to Rines & Hargraves (1988). In the material from Skagerrak the outer valve of the resting spores had spine like extensions.
Life form
Cells united in chains
Size
Diameter = 12-40 µm
Resting spore
+
Literature
Gran, H. H. 1908. Diatomeen. In: Brandt, K. & Apstein, C. (eds), Nordisches Plankton 19: 1-146.
Jensen, K. G. & Moestrup, Ø. 1998. The genus Chaetoceros (Bacillariophyceae) in inner Danish coastal waters. Opera Botanica. 133: 1-68.
Rines, J. E. B. & Hargraves, P. E. 1988. The Chaetoceros Ehrenberg (Bacillariophyceae) flora of Narragansett Bay, Rhode Island, USA. Bibliotheca Phycologica 79: 1-196
Sundström, B. 1973. Chaetoceros arter i Öresund. MSc. Thesis Univ. of Lund. 77 pp.

External links

Biovolumes

Species Chaetoceros brevis
Author Schütt 1895
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order EUPODISCALES (BIDDULPHIALES, CENTRALES)
Trophy AU
Geometric shape oval cylinder
Formula p/4*d1*d2*h
Size class 1 2 3 4 5 6 7 8
Unit cell cell cell cell cell cell cell cell
Size range 18-22x8 18-22x11 18-22x14 18-22x16 18-22x19 10-14x10 14-18x8-15 22-30x20
Height(h), µm 8.0 11.0 14.0 16.0 19.0 10.0 11.0 20.0
Diameter(d1), µm 22.0 22.0 22.0 22.0 22.0 12.0 16.0 25.0
Diameter(d2), µm 18.0 18.0 18.0 18.0 18.0 10.0 14.0 20.0
No. of cells/counting unit 1 1 1 1 1 1 1 1
Calculated volume, µm3 2 487 3 419 4 352 4 974 5 906 942 1 934 7 850
Calculated Carbon pg/counting unit 163 212 257 287 330 74 133 415

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

  • 2013-11-01 14:49:56 Ann-Turi Skjevik - Updated media metadata for Chaetoceros brevis_5.jpg
  • 2013-11-01 14:49:44 Ann-Turi Skjevik - Added media: Chaetoceros brevis_5.jpg
  • 2013-11-01 14:48:43 Ann-Turi Skjevik - Updated media metadata for Chaetoceros brevis_4.jpg
  • 2013-11-01 14:47:29 Ann-Turi Skjevik - Added media: Chaetoceros brevis_4.jpg
  • 2013-05-14 07:03:55 Regina Hansen - Updated media metadata for Chaetoceros brevis_3.jpg
  • 2013-05-14 07:03:10 Regina Hansen - Added media: Chaetoceros brevis_3.jpg
  • 2012-10-04 10:41:45 Ann-Turi Skjevik - Updated media metadata for Chaetoceros brevis_2.jpg
  • 2012-10-04 10:40:40 Ann-Turi Skjevik - Added media: Chaetoceros brevis_2.jpg
  • 2011-10-03 20:40:35 Bengt Karlson - Updated media metadata for Chaetoceros brevis_1.gif
  • 2011-10-03 20:39:12 Bengt Karlson - Added media: Chaetoceros brevis_1.gif