Porosira glacialis (Grunow) E. Jørgensen, 1905
Porosira glacialis
A = Chain at two focal planes; B = Valve view. (A&B DIC); C = Frustule, valve view (arrowheads=strutted processes, arrow=labiate process. (PC)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Porosira glacialis
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = Chain at two focal planes; B = Valve view. (A&B DIC); C = Frustule, valve view (arrowheads=strutted processes, arrow=labiate process. (PC)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237247
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 39524
More info at http://algaebase.org
- Dyntaxa ID: 237247
- Tropic type
- A
- Morphology
- Loose chains, one large labiate process, many strutted processes
- Other remarks
Distribution: In cold water in the northern and southern hemispheres- Life form
- Solitary or cells united in chains
- Literature
- Hasle, G. R. 1973a. Some marine plankton genera of the diatom family Thalassiosiraceae. Beiheft zur Nova Hedwigia. 45: 1-49.
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.
Takano, H. 1990. Diatoms. In “Red tide organisms in Japan-An illustrated taxonomic guide”. (Y. Fukuyo, H. Takano, M. Chihara & K. Matsuoka eds) . Uchida Rokakuho, Tokyo, p. 162-331.
Biovolumes
| Species | Porosira glacialis |
|---|---|
| Author | (Grunow) E. Jørgensen 1905 |
| 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 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Unit | cell | cell | cell | cell | cell | cell | cell | cell | cell | cell | cell |
| Size range | 30-35 | 35-40 | 40-45 | 45-50 | 50-55 | 55-60 | 60-65 | 65-70 | 70-75 | 75-80 | 80-85 |
| Height(h), µm | 19.8 | 22.2 | 25.8 | 28.2 | 31.8 | 34.2 | 37.8 | 40.2 | 43.8 | 46.2 | 49.8 |
| Diameter(d1), µm | 33.0 | 37.0 | 43.0 | 47.0 | 53.0 | 57.0 | 63.0 | 67.0 | 73.0 | 77.0 | 83.0 |
| No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calculated volume, µm3 | 16 926 | 23 858 | 37 448 | 48 901 | 70 121 | 87 226 | 117 772 | 141 659 | 183 227 | 215 027 | 269 312 |
| Comment | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 | 6; HD fac.=0.6 |
| Calculated Carbon pg/counting unit | 774 | 1 022 | 1 474 | 1 830 | 2 451 | 2 926 | 3 733 | 4 336 | 5 342 | 6 082 | 7 300 |
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
- 2014-03-27 13:16:28 Susanne Busch - Updated media metadata for Porosira glacialis_5.jpg
- 2014-03-27 13:15:41 Susanne Busch - Added media: Porosira glacialis_5.jpg
- 2014-03-27 12:51:10 Susanne Busch - Updated media metadata for Porosira glacialis_4.jpg
- 2014-03-27 12:50:34 Susanne Busch - Added media: Porosira glacialis_4.jpg
- 2013-05-14 07:37:02 Regina Hansen - Updated media metadata for Porosira glacialis_3.jpg
- 2013-05-14 07:36:32 Regina Hansen - Added media: Porosira glacialis_3.jpg
- 2012-10-05 14:01:40 Ann-Turi Skjevik - Updated media metadata for Porosira glacialis_2.jpg
- 2012-10-05 14:00:58 Ann-Turi Skjevik - Added media: Porosira glacialis_2.jpg
