Dictyocha speculum Ehrenberg, 1839
Dictyocha speculum
Photographer/artist Lars Edler
Additional image information
- Title
- Dictyocha speculum
- Photographer/artist
- Lars Edler
- Contributing organisation
- HELCOM PEG
- Contributor
- Janina Kownacka
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Image galleries
- HELCOM-PEG
Description
- IDs in other systems
- Dyntaxa ID: 237177
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 54513
More info at http://algaebase.org
- Dyntaxa ID: 237177
- Tropic type
- A
- Morphology
- Skeleton-bearing stage usually with hexagonal skeleton. Naked stage. Both stages with many chloroplasts
- Other remarks
- Naked stages and life history (see Henriksen et al.1993)
Distribution: Widely in cold and temperate waters - Life form
- Solitary flagellate
- Size
- 19-34 µm (including spines)
- Culture collections
-
SCCAP
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at http://www.sccap.dk.
Strains: K-0036 - Literature
- Boney, A. D.1973. Observations on the silicoflagellate Dictyocha speculum Ehrenb. from the Firth of Clyde. J. Mar. Biol. Ass. U.K. 53: 263-268.
Henriksen, P., Knipschildt, F., Moestrup, Ø. & Thomsen, H. A. 1993. Autecology, life history and toxicology of the silicoflagellate Dictyocha speculum (Silicoflagellata, Dictyochophyceae). Phycologia. 32: 29-39.
Throndsen, J. 1993. The planktonic marine flagellates. In: Marine Phytoplankton: a guide to naked flagellates and coccolithophorids/edited by Carmelo R. Tomas: 7-145.
Gemeinhardt, K.1930. Silicoflagellatae. Schiller, J. Coccolithineae. Rabenhorst's Kryptogamen-Flora., 10: 1-85
Biovolumes
Species | Dictyocha speculum |
---|---|
Author | Ehrenberg 1839 |
Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
Class | Dictyochophyceae |
Order | DICTYOCHALES |
Trophy | AU |
Geometric shape | |
Formula | p/12*d^3 |
Size class | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
---|---|---|---|---|---|---|---|
Unit | cell | cell | cell | cell | cell | cell | cell |
Size range | 20 | 25 | 35 | 20 | 16 | 11-15 | 6-10 |
Diameter(d1), µm | 20.0 | 25.0 | 35.0 | 20.0 | 16.0 | 13.0 | 8.0 |
No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Calculated volume, µm3 | 2 093 | 4 089 | 11 219 | 4 187 | 2 144 | 1 150 | 268 |
Calculated Carbon pg/counting unit | 284 | 532 | 1 372 | 544 | 290 | 162 | 41 |
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
- 2022-11-11 10:23:06 Maria Karlberg - Updated media metadata for Dictyocha speculum_11.png
- 2022-11-11 10:21:24 Maria Karlberg - Added media: Dictyocha speculum_11.png
- 2021-10-01 14:58:27 Janina Kownacka - Updated media metadata for Dictyocha speculum_10.jpg
- 2021-10-01 14:57:53 Janina Kownacka - Added media: Dictyocha speculum_10.jpg
- 2018-03-25 21:42:41 Janina Kownacka - Updated media metadata for Dictyocha speculum_9.jpg
- 2018-03-25 21:37:54 Janina Kownacka - Added media: Dictyocha speculum_9.jpg
- 2017-10-12 14:04:52 Ann-Turi Skjevik - Updated media metadata for Dictyocha speculum_7.jpg
- 2016-11-16 13:06:27 Bengt Karlson - Deleted media: Dictyocha speculum_9.jpg
- 2016-11-16 13:05:32 Bengt Karlson - Updated media metadata for Dictyocha speculum_9.jpg
- 2016-11-16 12:58:23 Bengt Karlson - Added media: Dictyocha speculum_9.jpg
- 2015-04-15 14:30:47 Ann-Turi Skjevik - Updated media metadata for Dictyocha speculum_8.jpg
- 2015-04-15 14:29:28 Ann-Turi Skjevik - Added media: Dictyocha speculum_8.jpg
- 2015-04-15 13:19:48 Ann-Turi Skjevik - Updated media metadata for Dictyocha speculum_7.jpg
- 2015-04-15 13:13:15 Ann-Turi Skjevik - Added media: Dictyocha speculum_7.jpg
- 2012-09-24 14:41:31 Ann-Turi Skjevik - Updated media metadata for Dictyocha speculum_6.jpg
- 2012-09-24 14:41:21 Ann-Turi Skjevik - Added media: Dictyocha speculum_6.jpg
- 2012-09-14 11:27:20 Ann-Turi Skjevik - Updated media metadata for Dictyocha speculum_5.jpg
- 2012-09-14 11:27:10 Ann-Turi Skjevik - Added media: Dictyocha speculum_5.jpg
- 2011-12-05 16:25:35 Malin Mohlin - Updated media metadata for Dictyocha speculum_4.JPG
- 2011-12-05 16:25:08 Malin Mohlin - Added media: Dictyocha speculum_4.JPG
- 2011-12-05 16:24:54 Malin Mohlin - Deleted media: Dictyocha speculum_4.JPG
- 2011-12-05 16:24:21 Malin Mohlin - Updated media metadata for Dictyocha speculum_4.JPG
- 2011-12-05 16:23:46 Malin Mohlin - Added media: Dictyocha speculum_4.JPG
- 2011-12-05 16:23:37 Malin Mohlin - Deleted media: Dictyocha speculum_4.JPG
- 2011-12-05 16:21:49 Malin Mohlin - Updated media metadata for Dictyocha speculum_4.JPG
- 2011-12-05 16:21:14 Malin Mohlin - Added media: Dictyocha speculum_4.JPG
- 2011-09-26 18:49:17 Bengt Karlson - Updated media metadata for Dictyocha speculum_3.gif
- 2011-09-26 18:48:22 Bengt Karlson - Added media: Dictyocha speculum_3.gif