Alexandrium tamarense (Lebour) Balech
Alexandrium tamarense
A = Cell with nucleus; B =1'-plate with ventral pore (=arrow); C = Sulcus and part of cingulum; D=Sulcus with fins; E =1' with pore and apical pore complex with pore (comma) and connecting pore (=arrowhead); F=A living cyst (BF) (courtesy of Anna Godhe). A-D = Living cells.(DIC)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Alexandrium tamarense
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = Cell with nucleus; B =1'-plate with ventral pore (=arrow); C = Sulcus and part of cingulum; D=Sulcus with fins; E =1' with pore and apical pore complex with pore (comma) and connecting pore (=arrowhead); F=A living cyst (BF) (courtesy of Anna Godhe). A-D = Living cells.(DIC)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 238226
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 40299
More info at http://algaebase.org
- Dyntaxa ID: 238226
- Tropic type
- A
- Morphology
- 1'-plate with small ventral pore, apical pore complex
- Other remarks
- Can be confused with other Alexandrium spp. and Fragilidium spp. Toxic and non toxic strains
Distribution: Widely - Harmfulness, IOC
- This species is included in the IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae.
- Life form
- Solitary or in pairs
- Size
- Length 25-46 µm
- Resting spore
- +
- Culture collections
-
SCCAP
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at http://www.sccap.dk.
Strains: K-1471 - Literature
- Balech, E. & Tangen, K. 1985. Morphology and taxonomy of toxic species in the Tamarensis group (Dinophyceae): Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii (Paulsen) comb. nov. Sarsia. 70: 333-343.
Dale, B.1977b. Cysts of the toxic red-tide dinoflagellate Gonyaulax excavata (Braarud) Balech from Oslofjorden, Norway. Sarsia. 63: 29-34.
Steidinger, K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.
Biovolumes
| Species | Alexandrium tamarense |
|---|---|
| Author | (Lebour) Balech 1995 |
| Division | DINOPHYTA (PYRROPHYTA) |
| Class | Dinophyceae |
| Order | GONYAULACALES |
| Trophy | AU |
| Geometric shape |  |
| Formula | p/6*d^2*l |
| Size class | 1 | 2 | 3 |
|---|---|---|---|
| Unit | cell | cell | cell |
| Size range | 25-27 | 28-30 | 31-32 |
| Length(l1), µm | 25.0 | 35.0 | 33.0 |
| Diameter(d1), µm | 26.0 | 30.0 | 32.0 |
| No. of cells/counting unit | 1 | 1 | 1 |
| Calculated volume, µm3 | 8 844 | 16 485 | 17 684 |
| Comment | 6 | 6 | 6 |
| Calculated Carbon pg/counting unit | 1 097 | 1 969 | 2 104 |
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
