Chaetoceros similis P.T. Cleve, 1896

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Chaetoceros similis

Photographer/artist Helena Höglander

Additional image information

Title
Chaetoceros similis
Photographer/artist
Helena Höglander
Copyright holder
Helena Höglander
Institute
Department of Ecology, Environment and Plant Sciences, Stockholm University
Contributing organisation
HELCOM-PEG
Contributor
Helena Höglander
Sampling date
2012-06-15
Geographic area
Baltic Sea - Central Baltic proper
Location
BY15 - BMPJ1
Latitude, degree
57
Latitude, minute
20
Longitude, degree
20
Longitude, minute
03
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
HELCOM-PEG

Description

IDs in other systems
Tropic type
A
Morphology
Apertures narrow and divided in two parts. Mostly two chloroplasts.
Other remarks
Solitary specimens can be confused with solitary living species as e.g. Chaetoceros tenuissimus Meunier.
Distribution: Northern Atlantic and Northern Pacific.
Life form
Cells united in short chains or solitary.
Size
Diameter = 5 - 17 µm, Pervalvar axis = 11-15 µm, Transapical axis = 7 µm
Resting spore
+
Literature
Cleve, P. T. 1896b. Redog&ouml,relse f&ouml,r de svenska hydrografiska unders&ouml,kningarne februari 1896. V. Planktonunders&ouml,kningar: Vegetabilskt plankton. Bih. Kongl. Svensk. Vet.-Akad. Handl. 22(III, 5): 1-33.
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.

Biovolumes

Species Chaetoceros similis
Author P.T. Cleve 1896
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
Unit cell cell cell cell cell cell cell
Size range 8-10x10-12 8-10x12-15 8-10x15-17 10-13x12-17 13-15x9-13 15-17x15-20 17-21x15-20
Height(h), µm 11.0 14.0 16.0 14.5 9.7 17.5 18.0
Diameter(d1), µm 9.0 9.0 9.0 11.5 13.5 16.0 20.0
Diameter(d2), µm 6.3 6.3 6.3 8.1 9.5 11.2 14.0
No. of cells/counting unit 1 1 1 1 1 1 1
Calculated volume, µm3 490 623 712 1 054 966 2 462 3 956
Comment HD fac.=0.7 HD fac.=0.7 HD fac.=0.7 HD fac.=0.7 HD fac.=0.7 HD fac.=0.7 HD fac.=0.7
Calculated Carbon pg/counting unit 44 53 59 81 76 162 238

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

  • 2014-03-26 09:08:15 Susanne Busch - Updated media metadata for Chaetoceros similis_10.jpg
  • 2014-03-26 09:06:43 Susanne Busch - Added media: Chaetoceros similis_10.jpg
  • 2014-03-26 09:05:54 Susanne Busch - Updated media metadata for Chaetoceros similis_9.jpg
  • 2014-03-26 09:03:45 Susanne Busch - Added media: Chaetoceros similis_9.jpg
  • 2014-01-27 13:22:06 Helena_Hoglander_PEG - Updated media metadata for Chaetoceros similis_8.jpg
  • 2014-01-27 13:19:17 Helena_Hoglander_PEG - Added media: Chaetoceros similis_8.jpg
  • 2014-01-27 13:18:54 Helena_Hoglander_PEG - Updated media metadata for Chaetoceros similis_7.jpg
  • 2014-01-27 13:14:30 Helena_Hoglander_PEG - Added media: Chaetoceros similis_7.jpg
  • 2013-05-14 07:13:46 Regina Hansen - Updated media metadata for Chaetoceros similis_6.jpg
  • 2013-05-14 07:13:14 Regina Hansen - Added media: Chaetoceros similis_6.jpg
  • 2012-10-04 10:47:35 Ann-Turi Skjevik - Updated media metadata for Chaetoceros similis_5.jpg
  • 2012-10-04 10:47:15 Ann-Turi Skjevik - Added media: Chaetoceros similis_5.jpg
  • 2012-09-10 05:59:57 Malin Mohlin - Deleted media: Chaetoceros similis_5.jpg
  • 2012-09-10 05:59:19 Malin Mohlin - Added media: Chaetoceros similis_5.jpg
  • 2012-09-04 11:58:44 Malin Mohlin - Updated media metadata for Chaetoceros similis_4.jpg
  • 2012-09-04 11:58:16 Malin Mohlin - Added media: Chaetoceros similis_4.jpg
  • 2012-02-21 15:16:19 Ann-Turi Skjevik - Updated media metadata for Chaetoceros similis_3.jpg
  • 2012-02-21 15:15:39 Ann-Turi Skjevik - Added media: Chaetoceros similis_3.jpg
  • 2011-10-13 13:27:22 Malin Mohlin - Updated media metadata for Chaetoceros similis_2.JPG
  • 2011-10-13 13:26:54 Malin Mohlin - Added media: Chaetoceros similis_2.JPG