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MERC ER02-09
5
Total Counts
This approach commonly overestimates the abundances of live organisms in this size
class because all individuals in fixed samples are counted unless obviously dead (significant
damage to organism).
T0 Ave
#/ml
T0 StDev
#/ml
TF Ave
#/ml
TF StDev
#/ml
Control
Diatom
7,734
1,280
3,063
457
Dinoflagellate
578
223
134
49
Treated
Diatom
*
149
52
Dinoflagellate
*
6
8
* Not yet analyzed
Note: 454/ml = Average counts for T-Final-Treated, for picoplankton <10µm.
Dominant species
Type
Leptocylindrus minimum
Diatom
Gyrodinium estuariale
Dino
Eutreptia veridis
Euglenid Flagellate
Thalassiosira
sp.
Diatom
Amphora
sp.
Diatom
Gonyaulux
sp. (danicum?)
Dino
Gyrodinium spirale
Dino
Amphidinium sphenoides
Dino
misc. Tinntinnids
Ciliates
Active Chlorophyll-a
Chlorophyll is used as ancillary data and as a general presence/ absence indicator of
viable photosynthetic organism. MDL = 0.56
µg
T0 Ave
µg/l
T0 StDev
µg/l
TF Ave
µg/l
TF StDev
µg/l
Control
23.70
5.39
3.45
2.19
Treated
*
-
0.46
0.05
Regrowth Control
-
-
11.37
5.33
Regrowth Treated
-
-
0.04
0.01
*No initial treated data collected
Live Indicator Pathogens
CFU = colony forming units
E. coli
T0 Ave
cfu/100ml
T0 StDev
cfu/100ml
TF Ave
cfu/100ml
TF StDev
cfu/100ml
Control
19.4
12.7
0.6
0.89
Treated
*
-
0
0
*No initial treated data collected