Guinardia flaccida (Castracane) H. Peragallo, 1892

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Guinardia flaccida

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Guinardia flaccida
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Morphology
Valves flat or slightly concave. Chloroplasts star-like each with a prominent pyrenoid
Other remarks

Distribution: Worldwide
Life form
Cells united in chains
Size
Diameter = 25 - 90 µm
Literature
Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
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.
Hendey, N. I. 1964. An introductory account of the smaller algae of British coastal waters. Part 5: Bacillariophyceae (Diatoms). HSMO, London. 317 pp.

Biovolumes

Species Guinardia flaccida
Author (Castracane) H. Peragallo 1892
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
Unit cell cell cell cell cell cell cell cell cell
Size range 15x60-80 20x60-80 25x80-100 30x110-130 35x70-80 35x100-150 35x200-300 40x100-200 50x100-150
Height(h), µm 69.0 70.0 90.0 120.0 75.0 125.0 250.0 150.0 125.0
Diameter(d1), µm 15.0 20.0 25.0 30.0 35.0 35.0 35.0 40.0 50.0
No. of cells/counting unit 1 1 1 1 1 1 1 1 1
Calculated volume, µm3 12 187 21 980 44 156 84 780 72 122 120 203 240 406 188 400 245 313
Calculated Carbon pg/counting unit 593 957 1 685 2 859 2 508 3 795 6 658 5 464 6 768

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

  • 2012-11-15 11:51:00 Ann-Turi Skjevik - Updated media metadata for Guinardia flaccida_5.jpg
  • 2012-11-15 11:47:34 Ann-Turi Skjevik - Added media: Guinardia flaccida_5.jpg
  • 2012-11-01 09:05:16 Bengt Karlson - Updated media metadata for Guinardia flaccida_4.jpg
  • 2012-10-30 07:57:22 Malin Mohlin - Updated media metadata for Guinardia flaccida_4.jpg
  • 2012-10-30 07:56:35 Malin Mohlin - Updated media metadata for Guinardia flaccida_4.jpg
  • 2012-10-30 07:54:50 Malin Mohlin - Added media: Guinardia flaccida_4.jpg
  • 2012-09-24 14:31:29 Ann-Turi Skjevik - Updated media metadata for Guinardia flaccida_3.jpg
  • 2012-09-24 14:31:20 Ann-Turi Skjevik - Added media: Guinardia flaccida_3.jpg
  • 2012-06-19 19:57:50 Bengt Karlson - Updated media metadata for Guinardia flaccida_2.jpg
  • 2012-06-19 19:57:01 Bengt Karlson - Added media: Guinardia flaccida_2.jpg