The phytoplankton of the Cook Plant monthly minimal surveys during the preoperational years 1972, 1973, and 1974 / by John C. Ayers.

TABLE 2 continued.

NDC-.5-1 SDC-.5-1 DC-0 DC-1 DC-2 DC-3 DC-4 DC-5 DC-6
Synedra ulna v. chaseana

Apr
May
Jun
Jul
Aug
Sep
Oct

2
0
4
28
0
0
0

2
0
6
24
0
0
0

15
11
9
0
0

Synedra spp. (unidentified)

Apr
May
Jun
Jul
Aug
Sep
Oct

2
30
6
0
0
0
0

Tabellaria fenestrata

13
2
7
0
0
0
2
0
0
0
0
0
0
20
O

15
0
0
0
0
O
--

6
4
0
11
0
0
0
17
9
7
4
0
0
0
46
0
0
0
0
0
2
0
7
15
167
0
0
13

Apr
May
Jun
Jul
Aug
Sep
Oct

0
0
0
0
0
0
0

0
0
0
0
0
0

2
0
11
1
0
0
2
11
4
6
0
0
0
0
56
0
0
0
0
0
2
0
4
26
19
0
4
9
0
19
58
26
0
0
13

7
2
4
0
0
0
0
6
9
2
0
0
0
4
0
0
0
0
0
0
0

0
2
9
0
0
0
0
2
9
0
0
0
0
0

15
0
0
0
0
0
0
0
11
4
0
0
0
0

6
4
6
0
0
0
0
0
0
0
0
0
0
0

Tabellaria fenestrata v. intermedia

Apr
May
Jun
Jul
Aug
Sep
Oct

20
6
6
4
0
0
0

32
22
9
208
0
7
24

43
0
11
256
0
4
11

26
41
126
4
45

Thalassiosira pseudonana

76
11
4
32
0
0
13
0
19
19
4
0
0
6

41
0
0
0
0
0
2
0
4
0
33
0
1
13
0
0
7
20
2
0
6

22
30
6
4
0
1
37

0
0
0
0
0
0
0

52
11
19
11
0
0
9

Apr
May
Jun
Jul
Aug
Sep
Oct

0
89
9
43
6
0
4

0
0
69
0
0
0
4

33
37
6
2
0

0
4
33
43
2
0
4

6
0
7
130
0
0
9

2
0
2
378
0
0
0

26