TABLE 2. Percent abundance (% A), standard error (Error), tests per cc and sum of thecamoebians observed for each month of study.
 
  Sample
May
July
Aug
Sept
March
  Sum
692
677
365
440
468
  Individuals/cc
35
34
24
29
23
 
% A
Error
% A
Error
% A
Error
% A
Error
% A
Error
  Arcella vulgaris (Av)
0.14
0.28
-
-
-
-
0.45
0.63
-
-
  Centropyxis aculeate (Ca)
0.43
0.49
0.74
0.64
0.55
0.76
0.68
0.77
-
-
  Centorpyxis aculeata "discoides" (Cad)
5.64
1.72
3.25
1.34
7.40
2.69
6.14
2.24
1.50
1.10
  Centropyxis constricta "aerophila"(Caa)
11.85
2.41
7.98
2.04
9.86
3.06
7.27
2.43
1.92
1.24
  Centropyxis constricta "constricta" (Ccc)
0.29
0.40
1.92
1.03
0.82
0.93
-
-
-
-
  Centropyxis constricta "spinosa" (Ccs)
0.58
0.56
0.15
0.29
-
-
-
-
-
-
  Lesquereusia spiralis (Ls)
0.43
0.49
-
-
-
-
1.59
1.17
0.43
0.59
  Pontigulasia compressa (Pc)
8.53
2.08
4.87
1.62
17.81
3.92
29.55
4.26
2.35
1.37
  Cucurbitella tricuspis (Ct)
21.97
3.08
14.77
2.67
10.41
3.13
5.45
2.12
6.20
2.18
  Lagenodifflugia vas (Lv)
0.43
0.49
-
-
-
-
-
-
-
-
  Difflugia protaeiformis "claviformis"(Dpc)
4.91
1.61
7.53
1.99
2.19
1.50
5.68
2.16
0.64
0.72
  Difflugia protaeiformis "acuminata" (Dpa)
6.65
1.86
12.56
2.50
-
-
2.05
1.32
0.21
0.42
  Difflugia bidens (Db)
1.01
0.75
1.18
0.81
0.82
0.93
2.27
1.39
-
-
  Difflugia corona (Dc)
0.43
0.49
1.18
0.81
6.58
2.54
3.64
1.75
0.43
0.59
  Difflugia bacillaliarum (Db2)
0.58
0.56
0.30
0.41
-
-
-
-
1.07
0.93
  Difflugia urens (Du)
-
-
-
-
-
-
0.23
0.44
0.43
0.59
  Difflugia urceolata "urceolata" (Duu)
-
-
0.15
0.29
1.37
1.19
-
-
0.21
0.42
  Difflugia urceloata "elongata" (Due)
9.10
2.14
0.30
0.41
1.92
1.41
14.77
3.32
3.63
1.70
  Difflugia globula (Dg)
-
-
3.10
1.31
0.82
0.93
0.45
0.63
0.85
0.83
  Difflugia oblonga "glans" (Dog)
8.67
2.10
18.76
2.94
23.84
4.37
9.77
2.77
5.13
2.00
  Difflugia oblonga "lanceolata" (Dol)
3.18
1.31
0.74
0.64
6.03
2.44
0.45
0.63
2.78
1.49
  Difflugia oblonga "bryophila" (Dob)
1.01
0.75
0.15
0.29
2.19
1.50
-
-
0.21
0.42
  Difflugia oblonga "tenuis" (Dot)
5.49
1.70
4.43
1.55
-
-
3.18
1.64
0.43
0.59
  Difflugia amphora (Da)
8.67
2.10
15.95
2.76
7.40
2.69%
6.36
2.28
-
-
  Thecamoebian cysts
-
-
-
-
-
-
-
-
71.58
4.09