Attheya septentrionalis (Østrup) Crawford in Crawford, Gardner & Medlin

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Attheya cf. septentrionalis

Photographer/artist Ann-Turi Skjevik

Additional image information

Title
Attheya cf. septentrionalis
Photographer/artist
Ann-Turi Skjevik
Copyright holder
Ann-Turi Skjevik
Institute
SMHI
Contributor
Malin Mohlin
Geographic area
Skagerrak - Swedish coast
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
DIC/Nomarski
Stain
No stain
Image galleries
Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
A

Biovolumes

Species Attheya septentrionalis
Author (Østrup) Crawford in Crawford, Gardner & Medlin 1994
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order EUPODISCALES (BIDDULPHIALES, CENTRALES)
Trophy AU
Geometric shape oval cylinder
Formula p/4*d1*d2*h
Size class 1 2
Unit cell cell
Size range 4-5x7-8 3-4x8-10
Height(h), µm 8.0 9.0
Diameter(d1), µm 4.0 3.0
Diameter(d2), µm 4.0 3.0
No. of cells/counting unit 1 1
Calculated volume, µm3 100 64
Calculated Carbon pg/counting unit 12 8

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

  • 2014-01-06 12:22:55 Susanne Busch - Updated media metadata for Attheya septentrionalis_4.jpg
  • 2014-01-06 12:22:14 Susanne Busch - Added media: Attheya septentrionalis_4.jpg
  • 2012-10-04 10:28:28 Ann-Turi Skjevik - Updated media metadata for Attheya septentrionalis_3.jpg
  • 2012-10-04 10:28:01 Ann-Turi Skjevik - Added media: Attheya septentrionalis_3.jpg
  • 2012-09-17 15:31:51 Ann-Turi Skjevik - Updated media metadata for Attheya septentrionalis_1.JPG
  • 2012-09-17 15:31:40 Ann-Turi Skjevik - Updated media metadata for Attheya septentrionalis_2.jpg
  • 2012-09-17 15:25:12 Ann-Turi Skjevik - Added media: Attheya septentrionalis_2.jpg
  • 2012-09-17 15:22:46 Ann-Turi Skjevik - Deleted media: Attheya septentrionalis_3.JPG
  • 2011-10-14 06:08:34 Malin Mohlin - Deleted media: Attheya septentrionalis_2.JPG
  • 2011-10-03 08:32:30 Malin Mohlin - Updated media metadata for Attheya septentrionalis_1.JPG
  • 2011-10-03 08:32:19 Malin Mohlin - Added media: Attheya septentrionalis_1.JPG
  • 2011-10-03 08:32:06 Malin Mohlin - Deleted media: Attheya septentrionalis_1.jpg
  • 2011-10-03 08:31:41 Malin Mohlin - Updated media metadata for Attheya septentrionalis_3.JPG
  • 2011-10-03 08:31:32 Malin Mohlin - Added media: Attheya septentrionalis_3.JPG
  • 2011-10-03 08:30:46 Malin Mohlin - Updated media metadata for Attheya septentrionalis_2.JPG
  • 2011-10-03 08:30:16 Malin Mohlin - Added media: Attheya septentrionalis_2.JPG
  • 2011-10-03 08:28:33 Malin Mohlin - Updated media metadata for Attheya septentrionalis_1.jpg
  • 2011-10-03 08:28:02 Malin Mohlin - Added media: Attheya septentrionalis_1.jpg