Dinophysis dens Pavillard, 1915

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Dinophysis dens

Photographer/artist Ann-Turi Skjevik

Additional image information

Title
Dinophysis dens
Photographer/artist
Ann-Turi Skjevik
Copyright holder
Ann-Turi Skjevik
Institute
SMHI
Contributing organisation
SMHI
Contributor
Ann-Turi Skjevik
Sampling date
2011-09
Geographic area
Skagerrak - Swedish coast
Location
Släggö
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Contrast enhancement
DIC/Nomarski
Stain
No stain
Image galleries
Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
A/H
Morphology
The shape of hypocone
Other remarks
Probably part in the life history of D. acuta (Mackenzie 1992)
Distribution: Worldwide
Life form
Solitary
Size
Length 45-59 µm, width 30 µm
Literature
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her Majesty’s Stationery Office, London. 303 pp.
Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande. In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.
MacKenzie, L. 1992. Does Dinophysis (Dinophyceae) have a sexual life cycle. Journal of Phycology. 28: 399-406.
Steidinger, K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.

Biovolumes

Species Dinophysis dens
Author Pavillard 1915
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order DINOPHYSALES
Trophy MX
Geometric shape flattened ellipsoid
Formula p/6*l*d1*d2
Size class 1
Unit cell
Size range 45-50
Length(l1), µm 48.0
Diameter(d1), µm 28.0
Diameter(d2), µm 19.6
No. of cells/counting unit 1
Calculated volume, µm3 13 786
Comment HD fact.=0.7
Calculated Carbon pg/counting unit 1 665

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

  • 2012-02-21 15:52:05 Ann-Turi Skjevik - Updated media metadata for Dinophysis dens_2.jpg
  • 2012-02-21 15:51:48 Ann-Turi Skjevik - Added media: Dinophysis dens_2.jpg