Guinardia flaccida (Castracane) H. Peragallo, 1892
Guinardia flaccida
Photographer/artist Lars Edler
Additional image information
- Title
- Guinardia flaccida
- Photographer/artist
- Lars Edler
- Copyright holder
- Lars Edler
- Institute
- WEAQ AB
- Contributor
- Ann-Turi Skjevik
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Technique
- Light microscopy
- Preservation
- Not described
- Contrast enhancement
- DIC/Nomarski
- Stain
- No stain
- Image galleries
- Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237456
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 38263
More info at http://algaebase.org
- Dyntaxa ID: 237456
- Morphology
- Valves flat or slightly concave. Chloroplasts star-like each with a prominent pyrenoid
- Other remarks
Distribution: Worldwide- Life form
- Cells united in chains
- Size
- Diameter = 25 - 90 µm
- Literature
- Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385.
Hendey, N. I. 1964. An introductory account of the smaller algae of British coastal waters. Part 5: Bacillariophyceae (Diatoms). HSMO, London. 317 pp.
Biovolumes
| Species | Guinardia flaccida |
|---|---|
| Author | (Castracane) H. Peragallo 1892 |
| Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
| Class | Diatomophyceae (Bacillariophyceae) |
| Order | EUPODISCALES (BIDDULPHIALES, CENTRALES) |
| Trophy | AU |
| Geometric shape |  |
| Formula | p/4*d^2*h |
| Size class | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
| Unit | cell | cell | cell | cell | cell | cell | cell | cell | cell |
| Size range | 15x60-80 | 20x60-80 | 25x80-100 | 30x110-130 | 35x70-80 | 35x100-150 | 35x200-300 | 40x100-200 | 50x100-150 |
| Height(h), µm | 69.0 | 70.0 | 90.0 | 120.0 | 75.0 | 125.0 | 250.0 | 150.0 | 125.0 |
| Diameter(d1), µm | 15.0 | 20.0 | 25.0 | 30.0 | 35.0 | 35.0 | 35.0 | 40.0 | 50.0 |
| No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calculated volume, µm3 | 12 187 | 21 980 | 44 156 | 84 780 | 72 122 | 120 203 | 240 406 | 188 400 | 245 313 |
| Calculated Carbon pg/counting unit | 593 | 957 | 1 685 | 2 859 | 2 508 | 3 795 | 6 658 | 5 464 | 6 768 |
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
- 2012-11-15 11:51:00 Ann-Turi Skjevik - Updated media metadata for Guinardia flaccida_5.jpg
- 2012-11-15 11:47:34 Ann-Turi Skjevik - Added media: Guinardia flaccida_5.jpg
- 2012-11-01 09:05:16 Bengt Karlson - Updated media metadata for Guinardia flaccida_4.jpg
- 2012-10-30 07:57:22 Malin Mohlin - Updated media metadata for Guinardia flaccida_4.jpg
- 2012-10-30 07:56:35 Malin Mohlin - Updated media metadata for Guinardia flaccida_4.jpg
- 2012-10-30 07:54:50 Malin Mohlin - Added media: Guinardia flaccida_4.jpg
- 2012-09-24 14:31:29 Ann-Turi Skjevik - Updated media metadata for Guinardia flaccida_3.jpg
- 2012-09-24 14:31:20 Ann-Turi Skjevik - Added media: Guinardia flaccida_3.jpg
- 2012-06-19 19:57:50 Bengt Karlson - Updated media metadata for Guinardia flaccida_2.jpg
- 2012-06-19 19:57:01 Bengt Karlson - Added media: Guinardia flaccida_2.jpg
