Dinophysis acuta Ehrenb.

Dinophysis acuta
Living cells (BF)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Dinophysis acuta
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- Living cells (BF)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 238460
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 52218
More info at http://algaebase.org
- Dyntaxa ID: 238460
- Note on taxonomy
- Testar
- Tropic type
- A/H
- Morphology
- The cells are widest below the middle
- Other remarks
- Width here = dorso-ventral depth. Dimorphic cells have been observed (Hansen 1993a). This species has been associated with DSP outbreaks (Larsen & Moestrup 1992)
Distribution: Worldwide - Harmful
- Test test
- Harmfulness, IOC
- This species is included in the IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae.
- Life form
- Solitary
- Size
- Length 54-94 µm, width 43-60 µm
- Literature
- Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
Hansen, G. 1993a. Dimorphic individuals of Dinophysis acuta and D. norvegica (Dinophyceae) from Danish waters. Phycologia. 32: 73-75.
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.
Larsen, J. & Moestrup, Ø. 1992. Potentially toxic phytoplankton. 2. Genus Dinophysis (Dinophyceae). In: Lindley, J. A. (ed.) ICES Identification leaflets for plankton. International Council for the exploration of the sea, Copenhagen, p. 1-12.
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 acuta |
---|---|
Author | Ehrenberg 1839 |
Division | DINOPHYTA (PYRROPHYTA) |
Class | Dinophyceae |
Order | DINOPHYSALES |
Trophy | MX |
Geometric shape | ![]() |
Formula | p/6*l*d1*d2 |
Size class | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
Unit | cell | cell | cell | cell | cell |
Size range | 55-57 | 58-60 | 61-65 | 75 | 85 |
Length(l1), µm | 56.0 | 59.0 | 63.0 | 75.0 | 85.0 |
Diameter(d1), µm | 41.0 | 43.0 | 46.0 | 55.0 | 62.0 |
Diameter(d2), µm | 28.0 | 29.5 | 31.5 | 37.5 | 42.5 |
No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 |
Calculated volume, µm3 | 33 644 | 39 167 | 47 774 | 80 953 | 117 214 |
Comment | HD fact.=0.5 | HD fact.=0.5 | HD fact.=0.5 | HD fact.=0.5 | HD fact.=0.5 |
Calculated Carbon pg/counting unit | 3 848 | 4 438 | 5 348 | 8 776 | 12 423 |
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
- 2019-06-05 13:08:00 Bengt Karlson - Updated media metadata for Dinophysis acuta_9.jpg
- 2019-06-05 13:04:07 Bengt Karlson - Added media: Dinophysis acuta_9.jpg
- 2015-04-08 11:38:30 Susanne Busch - Updated media metadata for Dinophysis acuta_8.JPG
- 2015-04-08 11:37:53 Susanne Busch - Added media: Dinophysis acuta_8.JPG
- 2015-04-08 11:37:03 Susanne Busch - Updated media metadata for Dinophysis acuta_7.JPG
- 2015-04-08 11:34:45 Susanne Busch - Added media: Dinophysis acuta_7.JPG
- 2014-06-02 10:47:58 Regina Hansen - Updated media metadata for Dinophysis acuta_6.png
- 2014-06-02 10:35:11 Regina Hansen - Updated media metadata for Dinophysis acuta_6.png
- 2014-06-02 10:33:44 Regina Hansen - Deleted media: Dinophysis acuta_7.png
- 2014-06-02 10:31:49 Regina Hansen - Added media: Dinophysis acuta_7.png
- 2014-06-02 10:30:28 Regina Hansen - Added media: Dinophysis acuta_6.png
- 2012-11-15 11:41:12 Ann-Turi Skjevik - Deleted media: Dinophysis acuta_6.jpg
- 2012-10-28 13:26:58 Bengt Karlson - Updated media metadata for Dinophysis acuta_6.jpg
- 2012-10-28 13:24:27 Bengt Karlson - Added media: Dinophysis acuta_6.jpg
- 2012-09-14 11:32:27 Ann-Turi Skjevik - Updated media metadata for Dinophysis acuta_5.gif
- 2012-09-14 11:32:17 Ann-Turi Skjevik - Added media: Dinophysis acuta_5.gif
- 2012-05-14 21:03:21 Bengt Karlson - Updated media metadata for Dinophysis acuta_4.jpg
- 2012-05-14 21:02:39 Bengt Karlson - Added media: Dinophysis acuta_4.jpg
- 2012-05-14 20:47:36 Bengt Karlson - Updated media metadata for Dinophysis acuta_3.jpg
- 2012-05-14 20:45:32 Bengt Karlson - Added media: Dinophysis acuta_3.jpg
- 2012-02-21 15:51:19 Ann-Turi Skjevik - Updated media metadata for Dinophysis acuta_2.jpg
- 2012-02-21 15:50:29 Ann-Turi Skjevik - Added media: Dinophysis acuta_2.jpg
- 2011-09-26 11:20:28 Bengt Karlson - Updated media metadata for Dinophysis acuta_1194529726.jpg
- 2011-09-14 14:28:36 Bengt Karlson - Deleted media: Dinophysis acuta_1194335475.jpg
- 2011-09-14 14:28:31 Bengt Karlson - Deleted media: Dinophysis acuta_1193610341.mp4