Asterionella formosa Hassall

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Asterionella formosa

Photographer/artist Birger Skjelbred

Additional image information

Title
Asterionella formosa
Photographer/artist
Birger Skjelbred
Copyright holder
Birger Skjelbred
Copyright stamp
Birger Skjelbred
Institute
NIVA
Contributing organisation
NIVA
Contributor
Birger Skjelbred
Sampling date
18.06.2013
Geographic area
Lake - Norway
Location
Årungen
Latitude, degree
59.6860457818266
Longitude, degree
10.7494366176457
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
Freshwater

Description

IDs in other systems

Subordinate taxa

Illustration Taxon name
Asterionella formosa var. ralfsii

Biovolumes

Species Asterionella formosa
Author Hassall 1850
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order BACILLARIALES (PENNALES)
Trophy AU
Geometric shape parallelepiped
Formula l*w*h
Size class 1 2 3
Unit cell cell cell
Size range 3-4x40-60 3-4x60-80 3-4x80-100
Length(l1), µm 50.0 70.0 90.0
Width(w), µm 3.5 3.5 3.5
Height(h), µm 3.5 3.5 3.5
No. of cells/counting unit 1 1 1
Calculated volume, µm3 613 858 1 103
Calculated Carbon pg/counting unit 52 69 84

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

  • 2015-01-29 05:26:36 Aimar Rakko - Updated media metadata for Asterionella formosa_6.jpg
  • 2015-01-29 05:25:46 Aimar Rakko - Added media: Asterionella formosa_6.jpg
  • 2015-01-29 05:25:13 Aimar Rakko - Updated media metadata for Asterionella formosa_5.jpg
  • 2015-01-29 05:23:37 Aimar Rakko - Added media: Asterionella formosa_5.jpg
  • 2014-08-01 12:39:11 Birger Skjelbred - Updated media metadata for Asterionella formosa_4.jpg
  • 2014-08-01 12:36:37 Birger Skjelbred - Added media: Asterionella formosa_4.jpg
  • 2013-11-01 14:31:31 Ann-Turi Skjevik - Updated media metadata for Asterionella formosa_3.jpg
  • 2013-11-01 14:30:36 Ann-Turi Skjevik - Added media: Asterionella formosa_3.jpg
  • 2013-04-26 10:33:36 Janina Kownacka - Updated media metadata for Asterionella formosa_2.jpg
  • 2013-04-26 10:31:16 Janina Kownacka - Added media: Asterionella formosa_2.jpg
  • 2012-10-03 07:43:08 Ann-Turi Skjevik - Updated media metadata for Asterionella formosa_1.jpg
  • 2012-10-03 07:40:43 Ann-Turi Skjevik - Added media: Asterionella formosa_1.jpg