Chaetoceros constrictus Gran, 1897
Chaetoceros constrictus
A = End of chain with part of terminal setae; B = Part of chain; C = Chain with resting spores (arrowhead=spines). All living cells (DIC)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Chaetoceros constrictus
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = End of chain with part of terminal setae; B = Part of chain; C = Chain with resting spores (arrowhead=spines). All living cells (DIC)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237311
More info at http://www.artdata.slu.se/dyntaxa
- Dyntaxa ID: 237311
- Tropic type
- A
- Morphology
- Conspicuous constriction between valve mantle and girdle, two chloroplasts, apertures lanceolate, resting spores uniequally vaulted and with spines
- Other remarks
Distribution: Northern hemisphere- Life form
- Cells united in chains
- Size
- Diameter = 12-40 µm
- Resting spore
- +
- Literature
- Cupp, E. E. 1943. Marine Plankton Diatoms of the West Coast of North America. Bulletin of the Scripps Inst. Oceanogr. of the University of California. 5: 1-237.
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.
Rines, J. E. B. & Hargraves, P. E. 1988. The Chaetoceros Ehrenberg (Bacillariophyceae) flora of Narragansett Bay, Rhode Island, USA. Bibliotheca Phycologica 79: 1-196
Sundström, B. 1973. Chaetoceros arter i Öresund. MSc. Thesis Univ. of Lund. 77 pp.
External links
Biovolumes
| Species | Chaetoceros constrictus |
|---|---|
| Author | Gran 1897 |
| Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
| Class | Diatomophyceae (Bacillariophyceae) |
| Order | EUPODISCALES (BIDDULPHIALES, CENTRALES) |
| Trophy | AU |
| Geometric shape |  |
| Formula | p/4*d1*d2*h |
| Size class | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Unit | cell | cell | cell | cell | cell |
| Size range | 14-15x15 | 16x16 | 19x19 | 30x30 | 10-14x8 |
| Height(h), µm | 15.0 | 16.0 | 19.0 | 30.0 | 8.0 |
| Diameter(d1), µm | 15.0 | 16.0 | 19.0 | 30.0 | 12.0 |
| Diameter(d2), µm | 14.0 | 16.0 | 14.0 | 15.0 | 10.0 |
| No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 |
| Calculated volume, µm3 | 2 473 | 3 215 | 3 967 | 10 598 | 754 |
| Calculated Carbon pg/counting unit | 163 | 201 | 239 | 529 | 62 |
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
- 2011-12-05 15:47:38 Malin Mohlin - Updated media metadata for Chaetoceros constrictus_3.jpg
- 2011-12-05 15:46:07 Malin Mohlin - Added media: Chaetoceros constrictus_3.jpg
- 2011-09-26 14:07:56 Bengt Karlson - Updated media metadata for Chaetoceros constrictus_2.gif
- 2011-09-26 12:45:43 Bengt Karlson - Updated media metadata for Chaetoceros constrictus_2.gif
- 2011-09-20 20:24:21 Bengt Karlson - Updated media metadata for Chaetoceros constrictus_2.gif
- 2011-09-20 20:22:44 Bengt Karlson - Added media: Chaetoceros constrictus_2.gif
