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Algae count event

Phycology Section: ecology and taxonomy of freshwater algae, particularly diatoms

 


Diatom Count Report
 
C O U N T E V E N T

GSN93957 DT1 A, official count
 
count method: 600 Valves (300 Cells)
slide: GSN93957 DT1 A
    from subsample: GSN93957 DT1
        from sample: GSN93957
 
View results for COUNT EVENT MEASURED ATTRIBUTE(S): 1

   valves (cema_id: 83183 ma_id: 2)

count_event_id: 17868
taxonomy: NAWQA 1997-Starts
person: William Cody ... person_id=127
 
started_on: 12/13/2002 12:00:00 AM
finished_on: 12/13/2002 12:00:00 AM
estimated_hours: 3.000000000
microscope_optivar_lens_id: 141
scan_length_mm: 7100.000000000
source_data_form: NA
source_table: dtm source_table_id: 12026
institution_address_id: 45
 
added on: 10/26/2005 6:07:00 PM, added by: dbo
modified on: 1/5/2010 3:44:00 PM, modified by: dbo
 
1 QUALIFIER:

  Qualifier Code: TaxaNote
  Description: Notes taken about the taxa for a count; older data typically includes information such as beginning and end scan coordinates, unusual taxa, etc.
  Comments: 74.5x96.6 end 103.7=7.1mm Gomp & Cocconeis centered Small Navicula seminulum /minima problem in this sample. they are mixed with taxa that look close to Na cf minima. I split them on basis of striae count. N seminulum 18-22/10u w/ 1-2 striae in central area and N minima 25-30/10u w/ 3 striae in central area.
 

 


 
Counts version 3.2 - last revision 6/17/2017
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