Phytoplankton of the seasonal surveys of 1976, of September 1970, and pre- vs. post-operational comparisons at Cook Nuclear Plant / John C. Ayers.

survey ot September 25, 1970, continued.

25 SEP 70

SDC 2-4

Number of forms = 23
Counted by: E.K.

Diversity= 3. 36

Taxon
Ankistrodesmus talcatus
Apbanocaj~sa Sp.
Blue-green unkncwn colony
Ceratium hirund inella
Chlamydomonas sp.
Chroococcus limncticus
Chroococcus Sp.
Chroococcus turgidus
Crucigenia guadrata
Dinobryon divergens
Gloeocystis sp.
Golenkinia radiata

C;ells ml Percent

0. 9
8. B
2. 8
0. 9
3 1. 8
24. 9
1 2. 0
0. 9
0.5
13. 4
9. 2
0. 5

0.6 1
5. 81
1.863
0.6 1
2 1. 10
16.5 1
7. 95
0.6 1
0.3 1
8. 87
6. 12
0.3 1

Gomphospbaeria lacustris
Lagerheiiuia longiseta
Nougeotia Sp.
Oocystis Sp.
Oscillatoria sp.
Perlidinium sp.
Quadrigula lacustris
Scenedesmus sp.
Schroederia sp.
Spores
Tabellaria fenestrata

Cells/mil Percent
0. 9 0.61
0.5 0.31
0.5 0.31
2 7. 6 18.35
2.3 1.53
7.8 5.20
1.8 1.22
0.5 0.31
0. 9 0.61
0.5 0.31
0. 9 0.61

Total

00

-150. 6 Thoo.o
Diversity = 3.90
Cells/ml Percent

25 SEP 70

SDC 4-0

Taxon
kchnanthes exigua
Amphora sp.
Ankistrodesmus talcatus
AphanocaEsa sp.
Asterionella formosa
Blue-green unknown colony
Centric diatom, unknown
Chlamydomonas sp.
Chroococcus limneticus
Coelastrum sp.
Cryptomonas Sp.
Cymbella sp.
Dinobryon divergens
Fragilaria brevistriata
Fragilaria capucina
Fragilaria crotonensis
Fragilaria intermedia
Gloeocystis sp.
Melosica granulata

Cell~ZmL Percent

0. 5
1. 8
0. 9
1. 4
0. 9
1. 4
2 2. 1
4 1. 0
7. 8
0. 5
2 1. 2
0.5
11. 1
1. 8
2 7. 6
81I. 1
1.8
3. 2
29. 5

0. 14
0. 54
0. 27
0.14 1
0. 27
0. 41
b. 4 9
1 2. 03
2.3 0
0. 14
6. 22
0. 14
3. 24
0. 514
8.1 1
2 3. 78
0. 54
0. 95
8. 65

Number of forms = 37
Counted by: E.K.
Taxon
Melosira granulata v. angustissima
Melosira varians
Mougeotia sp.
Navicula sp.
Nitzschia sp.
Oestrupia zachariasi
Oocystis Sp.
Pediastrum sp.
Peridinium sp.
Quadrigula lacustris
Scenedesmus, abundans
Scenedesmus quadricauda
Scenedesmus sp.
Spores
Synedra acus
Synedra ulna v. danica
Tabellaria fenestrata
Tetraedron minimum

9. 2
1.8a
1. 4
6. 9
2. 8
0.9
10. 6
0. 5
17. 5
2. 3
0. 9
1. 4
1.14
1.8
1.14
0. 5
20. 7
2. 8

2. 70
0.514
0. 41
2. 03
0.8 1
0. 27
3. 11
0. 14
5. 14
0. 68
0. 27
0. 41
0. 41
0.514
0. 41
0.114
6. 08
0. 81

Tota 1

T tl 340. 8 100. 0