Fragilidium subglobosum (von Stosch) Loeblich III
Fragilidium subglobosum
A = Vegative cells with loose theca and with food vacuoles; B = Division cyst; C = APC; D = 1''-plate with pore. All (DIC)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Fragilidium subglobosum
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = Vegative cells with loose theca and with food vacuoles; B = Division cyst; C = APC; D = 1''-plate with pore. All (DIC)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 238287
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 52287
More info at http://algaebase.org
- Dyntaxa ID: 238287
- Tropic type
- A
- Morphology
- 1''-plate
- Other remarks
- It has been shown to be a facultative mixotroph and able to engulf Ceratium spp (Skovgaard 1996a,b). F. subglobosum was common in Gullmarsfjorden during summer.
- Life form
- Solitary
- Size
- Diameter=35-45 µm, division cyst =22-56(70?) µm
- Resting spore
- +
- Literature
- Skovgaard, A. 1996a. Engulfment ofCeratium spp. (Dinophyceae) by the thecate photosynthetic dinoflagellate Fragilidium subglobosum. Phycologia. 35: 490-499.
Skovgaard, A. 1996b. Mixotrophy in Fragilidium subglobosum (Dinophyceae): growth and grazing responses as functions of light intensity. Mar Ecol Prog Ser. 143: 247-253.
von Stosch, H. 1969. Dinoflagellaten aus der Nordsee II. Helgolandinium subglobosum gen. et spec. nov. Helgoländer Wiss. Meeresunters. 19: 569-577.
Biovolumes
Species | Fragilidium subglobosum |
---|---|
Author | (von Stosch) Loeblich III |
Division | DINOPHYTA (PYRROPHYTA) |
Class | Dinophyceae |
Order | GONYAULACALES |
Trophy | AU |
Geometric shape | |
Formula | p/6*d^2*l |
Size class | 1 | 2 |
---|---|---|
Unit | cell | cell |
Size range | 35-45 | 25-35 |
Length(l1), µm | 40.0 | 30.0 |
Diameter(d1), µm | 35.0 | 25.0 |
No. of cells/counting unit | 1 | 1 |
Calculated volume, µm3 | 25643 | 9 813 |
Calculated Carbon pg/counting unit | 2981.8 | 1 210 |
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