The seasonal biological surveys of 1971 / John C. Ayers, Samuel C. Mozley, John A. Stewart.

the dominant species. When the challenging species or group closely approached the cell numbers of the dominant species, the less abundant species
or group was recorded as "codominant" and listed in the dominant species
column of Table 3. In Table 4, those species or groups which were numerically dominant in the samples of the 1971 Cook Plant surveys are presented.
TABLE 4. Dominant and codominant phytoplankters in the surveys of 1971.
Survey Species or group Dominant or codominant
occurrences

15 April
9 July

Ochromonas sp. (flagellate)
Melosira sp. (diatom)
Chlamydomonas sp. (flagellate)
TabelZaria fenestrata (diatom)
Stephanodiscus sp. (diatom)
Fragilaria crotonensis (diatom)
Cyclotella sp. (diatom)
Fragilaria sp. (diatom)
GZoeocystis sp. (green alga)
Oocystis sp. (green alga)
Glenodinium sp. (flagellate)
Dinobryon divergens (flagellate)
TabelZaria fenestrata (diatom)
CycZotelZa sp. (diatom)
FragiZaria crotonensis (diatom)
Scenedesmus sp. ("other" alga)
Crucigenia sp. ("other" alga)
Fragilaria sp. (diatom)
WesteZZa Zinearis (green alga)
Gloeocystis sp. (green alga)
TabeZlaria fenestrata (diatom)
Melosira sp. (diatom)
Ochromonas sp. (flagellate)
TabelZaria fenestrata (diatom)
Fragilaria crotonensis (diatom)
GZoeocystis sp. (green alga)
ChZamydomonas sp. (flagellate)
Cryptomonas sp. (flagellate)
Aphanothece sp. (coccoid blue-green)
Oocystis sp. (green alga)
FragiZaria sp. (diatom)

24
15
15
14
13
9
6
1
47
18
12
10
8
4
3
1
1
1
1
51
3
1
20
17
7
6
4
3
2
1
1

2 September
8 November

28