Gyrosigma attenuatum (Kütz.) Rabenh.
Gyrosigma attenuatum
Ref: The Baltic Marine Biologists Publication No. 16b
Photographer/artist Sirje Vilbaste
Additional image information
- Title
- Gyrosigma attenuatum
- Photographer/artist
- Sirje Vilbaste
- Copyright holder
- Sirje Vilbaste
- Institute
- Institute of Zoology and Botany, University of Tartu
- Contributor
- Ann-Turi Skjevik
- Caption
- Ref: The Baltic Marine Biologists Publication No. 16b
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Technique
- Light microscopy
Synonym names
- Gyrosigma attenuatum
Description
- IDs in other systems
- Dyntaxa ID: 237635
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 134445
More info at http://algaebase.org - OMNIDIA code: GYAT
Used by many freshwater diatomists. See http://omnidia.free.fr/omnidia_english.htmand http://www.norbaf.net - REBECCA code: R0274
More info at http://www.freshwaterecology.info
- Dyntaxa ID: 237635
- Tropic type
- A
Biovolumes
| Species | Gyrosigma attenuatum |
|---|---|
| Author | (Kützing) Rabenhorst 1853 |
| Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
| Class | Diatomophyceae (Bacillariophyceae) |
| Order | BACILLARIALES (PENNALES) |
| Trophy | AU |
| Geometric shape |  |
| Formula | l*w*h*0.7 |
| Size class | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Unit | cell | cell | cell | cell | cell | cell |
| Size range | 15-17x100-120 | 17-20x120-150 | 20-25x150-200 | 25-30x200-250 | 30-35x250-300 | 35-40x250-300 |
| Length(l1), µm | 110.0 | 135.0 | 196.0 | 224.0 | 275.0 | 282.0 |
| Width(w), µm | 16 | 18.5 | 22.5 | 27.5 | 33 | 38 |
| Height(h), µm | 9.6 | 11.1 | 13.5 | 16.5 | 19.8 | 22.8 |
| No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 |
| Calculated volume, µm3 | 11 827 | 19 406 | 41 675 | 71 148 | 125 780 | 171 027 |
| Comment | HD fac.=0.6 | HD fac.=0.6 | HD fac.=0.6 | HD fac.=0.6 | HD fac.=0.6 | HD fac.=0.6 |
| Calculated Carbon pg/counting unit | 579 | 865 | 1 607 | 2 480 | 3 937 | 5 051 |
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
- 2012-10-04 12:58:49 Ann-Turi Skjevik - Updated media metadata for Gyrosigma attenuatum_1.jpg
- 2012-10-04 12:58:23 Ann-Turi Skjevik - Added media: Gyrosigma attenuatum_1.jpg
