Pseudo-nitzschia pungens (Grunow ex P.T. Cleve) Hasle, 1993
Pseudo-nitzschia pungens
A&B = Valve (DIC), arrowhead in B=two rows of poroids; C = Part of valve (inside view, SEM). All dry preparations
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Pseudo-nitzschia pungens
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A&B = Valve (DIC), arrowhead in B=two rows of poroids; C = Part of valve (inside view, SEM). All dry preparations
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237684
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 39547
More info at http://algaebase.org
- Dyntaxa ID: 237684
- Tropic type
- A
- Morphology
- Two rows of poroids in the striae are discernible with the LM. No central interspace and approximately equal numbers of fibulae and interstriae. Structure of girdle unique (Hasle et al. 1996).
- Other remarks
- Can produce domoic acid (Rhodes et al. 1998, Trainer et al. 1998)
Distribution: Worldwide - Harmfulness, IOC
- This species is included in the IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae.
- Life form
- Cells united in chains
- Size
- Apical axis = 74-142 µm, transapical axis 3-4.5 µm
- Literature
- Hasle, G. R., Lange, C. B. & Syvertsen, E. E. 1996. A review of Pseudo-nitzschia, with special reference to the Skagerrak, North Atlantic, and adjacent waters. Helgoländer Meersunters. 50: 131-175.
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.
Rhodes, L., Scholin, C., Garthwaite, I., Haywood, A. & Thomas, A. 1998. Domoic acid producing Pseudo-nitzschia species educed bt whole cell DNA probe-based and immunochemical assays. In: Harmful Algae VIII (Reguera, B., Blanco, J., Fernández, M.L. & Wyatt, T. eds). Xunta de Galicia and Intergovernmental Oceanographie Commission of UNESCO 1998. pp. 274-277
Trainer, V. L., Wekell, J. C., Horner, R., Hatfield, C. L. & Stein, J. E.1998. Domoic acid producing Pseudo-nitzschia pungens. In: Harmful Algae VIII (Reguera, B., Blanco, J., Fernández, M.L. & Wyatt, T. eds). Xunta de Galicia and Intergovernmental Oceanographie Commission of UNESCO 1998, pp. 337-
Biovolumes
Species | Pseudo-nitzschia pungens |
---|---|
Author | (Grunow ex P.T. Cleve) Hasle 1993 |
Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
Class | Diatomophyceae (Bacillariophyceae) |
Order | BACILLARIALES (PENNALES) |
Trophy | AU |
Geometric shape | |
Formula | l*w*h*0.8 |
Size class | 1 | 2 | 3 | 4 |
---|---|---|---|---|
Unit | cell | cell | cell | cell |
Size range | 3x100-120 | 4x85-130 | 5-6x120-130 | 8x130-150 |
Length(l1), µm | 110.0 | 120.0 | 120.0 | 140.0 |
Width(w), µm | 3 | 4 | 5.5 | 8 |
Height(h), µm | 3.0 | 3.0 | 5.0 | 5.0 |
No. of cells/counting unit | 1 | 1 | 1 | 1 |
Calculated volume, µm3 | 792 | 1 152 | 2 640 | 4 480 |
Calculated Carbon pg/counting unit | 65 | 88 | 172 | 263 |
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
- 2013-05-14 08:59:49 Regina Hansen - Updated media metadata for Pseudo-nitzschia pungens_3.jpg
- 2013-05-14 08:59:14 Regina Hansen - Added media: Pseudo-nitzschia pungens_3.jpg
- 2011-10-28 10:14:51 Wenche Eikrem - Updated media metadata for Pseudo-nitzschia pungens_2.jpg
- 2011-10-28 10:12:10 Wenche Eikrem - Added media: Pseudo-nitzschia pungens_2.jpg