Identification of taxa, counts, biomass and carbon biomass calculations for phytoplankton and ciliates from Camp Pond surface water, May and July 1998 , Arctic LTER 1998.

Abstract: 

Identification of taxa, counts, biomass and carbon biomass calculations for phytoplankton and ciliates from Camp Pond
surface water, May and July 1998.

Project Keywords: 

Data set ID: 

10340

EML revision ID: 

4
Published on EDI/LTER Data Portal

Citation Suggestion: 

Hobbie, J. 2002. Identification of taxa, counts, biomass and carbon biomass calculations for phytoplankton and ciliates from Camp Pond surface water, May and July 1998 , Arctic LTER 1998. Environmental Data Initiative. http://dx.doi.org/10.6073/pasta/1ff6d5cc65d9493256b9996442527563
People
Dates

Date Range: 

Sunday, May 17, 1998 to Tuesday, July 28, 1998

Publication Date: 

Thursday, December 12, 2002

Methods: 

Samples were preserved in Lugol's solution before shipment to Sweden.
Identification to the level of taxa was made via light microscopy from known
volumes in settling chambers.

Reference Citations: Olrik, K., P. Blomqvist, P. Brettum, G. Cronberg, P. Eloranta and E. Herlitz.
1998. Methods for Quantitative Assessment of Phytoplankton in Freshwater, parts
I and II. Naturvardsverket, Stockholm.

Sampling Description.

C= counted number of cells in all counting fields
Ae= effective filter area (mm2)
n= number of fields analyzed
v= sample volume corrected for preservative addition
As= area of counting filed (mm2)
Biomass is based on geometric formulas,
e.g., sphere volume V= p/6 x d3
cylinder V= p/4 x d2 x l
ellipsoid V= p/6 x l x a x b
(see reference)
carbon biomass is calculated from volume biomass, where
C= phytoplankton carbon (ug l-1 C)
B= phytoplankton biomass (ug l-1 wet mass)
Cyanophytes C= B x 0.22
Thecate dinoflagellates C= B x 0.13
Diatoms C= B x 0.11

Sites sampled.

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