Guinardia delicatula (Cleve) Hasle, 1996

View image in original size

Guinardia delicatula

Photographer/artist Lars Edler

Additional image information

Title
Guinardia delicatula
Photographer/artist
Lars Edler
Copyright holder
Lars Edler
Institute
WEAQ AB
Contributor
Ann-Turi Skjevik
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Not described
Contrast enhancement
DIC/Nomarski
Stain
No stain
Image galleries
Skagerrak-Kattegat

Description

IDs in other systems
Morphology
Flat valve with thin process and cell with 2-8 large chloroplasts each with a large pyrenoid
Other remarks

Distribution: Widely
Life form
Solitary or united in chains
Size
Diameter = 9 - 22(49) µm, Pervalvar axis 27-110 µm
Literature
Cleve, P. 1900. The plankton of the North Sea, the English Channel, and the Skagerak in 1898. Kongl. Svensk. Vet.-Akad. Handl. 32(8): 1-53.
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.
Sundström, B. G. 1986. The marine genus Rhizosolenia. Doctoral Dissertation, Lund University, Lund, Sweden. 117 pp.

Biovolumes

Species Guinardia delicatula
Author (P.T. Cleve) Hasle 1996
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
Unit cell cell cell
Size range 10x30 10x50 15x50
Height(h), µm 30.0 50.0 50.0
Diameter(d1), µm 10.0 10.0 15.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 2 355 3 925 8 831
Calculated Carbon pg/counting unit 156 237 457

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

  • 2018-09-27 07:49:58 Johanne Arff - Updated media metadata for Guinardia delicatula_6.jpg
  • 2018-09-27 07:47:18 Johanne Arff - Added media: Guinardia delicatula_6.jpg
  • 2013-05-14 07:32:57 Regina Hansen - Updated media metadata for Guinardia delicatula_5.jpg
  • 2013-05-14 07:31:24 Regina Hansen - Added media: Guinardia delicatula_5.jpg
  • 2012-11-14 14:21:12 Ann-Turi Skjevik - Updated media metadata for Guinardia delicatula_4.jpg
  • 2012-11-14 14:20:12 Ann-Turi Skjevik - Added media: Guinardia delicatula_4.jpg
  • 2012-09-24 14:29:42 Ann-Turi Skjevik - Updated media metadata for Guinardia delicatula_3.jpg
  • 2012-09-24 14:29:31 Ann-Turi Skjevik - Added media: Guinardia delicatula_3.jpg
  • 2012-09-24 12:40:47 Ann-Turi Skjevik - Updated media metadata for Guinardia delicatula_2.jpg
  • 2012-09-24 12:30:04 Ann-Turi Skjevik - Added media: Guinardia delicatula_2.jpg