Thalassiosira constricta Gaarder, 1938
Description
- IDs in other systems
- Dyntaxa ID: 237259
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 132680
More info at http://algaebase.org
- Dyntaxa ID: 237259
- Morphology
- A central cluster of strutted processes, one ring of strutted processes, and one labiate process within this ring. Resting spore.
- Other remarks
Distribution: Arctic - subarctic, Skagerrak- Life form
- Cells in loose chains
- Size
- Diameter 12-32 µm
- Resting spore
- +
- Literature
- Gaarder, K. R. 1938. Phytoplankton studies from the Tromsø district 1930-31. Tromsø Museums Årshefter, Naturhistorisk avd. nr. 11. Vol. 55 (1932) nr.1.
Heimdal, B. R. 1971. Vegetative cells and resting spores of Thalassiosira constricta Gaarder (Bacillariophyceae). Norw. J. Bot. 18, 153-159.
Heimdal, B. R. 1974. Further observations on the resting spores of Thalassiosira constricta Gaarder (Bacillariophyceae). Norw. J. Bot. 21, 303-307.
Biovolumes
| Species | Thalassiosira constricta |
|---|---|
| Author | Gaarder 1938 |
| Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
| Class | Diatomophyceae (Bacillariophyceae) |
| Order | EUPODISCALES (BIDDULPHIALES, CENTRALES) |
| Trophy | AU |
| Geometric shape |  |
| Formula | p/4*d^2*h |
| Size class | 1 | 2 |
|---|---|---|
| Unit | cell | cell |
| Size range | 15-35 | 20x10 |
| Height(h), µm | 25.0 | 10.0 |
| Diameter(d1), µm | 25.0 | 20.0 |
| No. of cells/counting unit | 1 | 1 |
| Calculated volume, µm3 | 12 266 | 3 140 |
| Comment | HD fac.=1 | |
| Calculated Carbon pg/counting unit | 596 | 197 |
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
