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MERC ER02-10
20
Live Organisms > 50
µ
m
T0 Avg(sd)
#/m
3
TF Avg(sd)
#/m
3
Control
160,500 (9,750)
112,500 (5,000)
Treated
17 (7)
1.2 (2)
* Up to four top taxa listed in order of abundance.
Live Organisms 10 - 50
µ
m
Vital Stain Results
-
It is important to note that the specific approach used underestimates
the abundances of live organisms in this size class because it has been found that not all live
organisms reliably take up these stains.
T0 #/ml
TF #/ml
Control
4,593 (823)
3,355 (149)
Treatment
0 (0)
0 (0)
Dominant species
Type
Other
Prorocentrum minimum
Dinoflagellate
Thalassiosira sp.
Diatom
chain-forming
Gyrodinium estuarale
Dinoflagellate
Cyclotella glomerata
Diatom
chain-forming
Skeletonema costatum
Diatom
chain-forming
Heterocapsa triquerta
Dinoflagellate
Navicula sp.
Diatom
Nitzschia sp.
Diatom
Active Chlorophyll-a
- Chlorophyll is used as ancillary data and as a general
presence/absence indicator of viable photosynthetic organisms.
T0 µg/l
TF µg/l
RG µg/l
Control
12.33 (0.77)
9.66 (0.16)
NA
Treated
0.04 (0.01)
0.01 (0.00)
NA
RG = after re-growth assay
MDL = 0.56 µg/l
*TF Control
*TF Treated
Copepod nauplii
Copepoda
Bivalve larvae
Polychaeta (Spionidae)
Spionidae
Calanoida (
Eurytemora sp
.)