Phytoplankton of the seasonal surveys of 1977, and further pre- vs. post-operational comparisons at Cook Nuclear Plant / John C. Ayers, Susan J. Wiley.

designate these slightly less abundant forms "codominants" and list them
along with the dominant in the "Dominant species" column of Table 2.

TABLE 3. The dominant and codominant phytoplankters
seasonal surveys of preoperational 1970 through 1974
1975 through 1977.

in the Cook Plant
and operational

- I

-_ __

Dominant or
codominant

Survey

Species or group

occurrences

10 JULY 1970
25 SEPT 1970
12 NOV 1970

Tabellaria fenestrata (diatom)
Cyclotella sp. (diatom)
Fragilaria crotonensis (diatom)
Melosira sp. (diatom)
Dinobryon divergens (flagellate)
Flagellates
Melosira granulata (diatom)
Melosira granulata v. angustissima (diatom)
Oocystis solitaria (green alga)
Anabaena circinalis (blue-green alga)
Chlamvdomonas sp. (flagellate)
Microcystis aeruginosa (blue-green alga)
Melosira islandica (diatom)
Melosira italica (diatom)
Chlamvdomonas sp. (flagellate)
Fragilaria crotonensis (diatom)
Dinobrvon divergens (flagellate)
Oocvstis sp. (green alga)
Gloeocystis sp. (green alga)
Melosira Rranulata (diatom)
Chroococcus limneticus (blue-green alga)
Ochromonas sp. (flagellate)
Melosira granulata v. angustissima (diatom)
Peridinium sp. (flagellate)
Closteriopsis sp. ("other" alga*)
Crvytomonas sp. (flagellate)
Cyclotella sp. (diatom)
Tabellaria fenestrata (diatom)
Tetraedron minimum ("other" alga*)
Ochromonas sp. (flagellate)
Chlamvdomonas sp. (flagellate)
Crvptomonas sp. (flagellate)
Fragilaria crotonensis (diatom)
Crucigenia rectangularis ("other" alga*)
Cvclotella sp. (diatom)

40
9
7
3
2
2
2
2
2
1
1
1
1
1
28
13
10
10
7
7
4
3
2
2
1
1
1
1
1
33
19
3
3
1
1

18