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

TABLE 8 continued.
2 SEPTEMBER 1971
DC-6 DC-5 DC-2
Species #/m3 c.v. Z #/m c.v. Z% /m3 c.v. Z

Copepod nauplii
Cyclopoid copepods
Immature copepodids
Cyclops bicuspidatus thomasi
Cyclops vernalis
Tropocyc lops prasinue mexicanus
Total Cyclopoids
Calanoid copepods
Immature copepodids
Diaptomus ashlandi
Diaptomus minutus
Diaptomus oregonensis
Diaptomus sicilis
Total Diaptomids
Epiechura lacustris
Eurytemora affinis
Limnoca lanus macrurue
Harpacticoid copepods
Canthocamptus sp.
Cladocerans
Bosmina longirostris
Eubosmina coregoni
Total Bosminidae
Ceriodaphnia quadrangula
Chydorus sphaericus
Daphnia galeata mendotae
Daphnia retrocurva
Diaphanosoma leuchtenbergianum
Holopedium gibberum
Leptodora kindtii
Po lyphemus pediculus
Rotifers
Asp lanchna sp.

2,067 16 2.3 3,243 24 3.9 3,421 2 6.7

26,057
9,327
24
2,163
37,571
12,355
2,284
337
481
0
15,457
48
120
0

3 29.0
0 10.4
142 0.0
16 2.4
161
4 13.8
7 2.5
61 0.4
42 0.5
-- 0.0
141 0.1
85 0.1
-- 0.0

16,683
2,517
21
4,480
23,701
11,968
341
405
299
0
13,013
21
85
0

1 19.9
26 3.0
141 0.0
12 5.3
6 14,2
53 0.4
37 0.5
20 0.4
-- 0.0
141 0.0
71 0.1
-- 0.0
-- 0.0

2,375
242
0
2,375
4,991
5,353
0
564
0
0
5,917
20
81
0

22
141
2

4.6
0.5
0.0
4.6

14 10.4
-- 0.0
10 1.1
-- 0.0
-- 0.0
142 0.0
0 0.2
-- 0.0
-- 0.0

0 -- 0.0

0

0

18,269
120
18,389
72
0
337
14,423
24
577
0
24

0 20.3 25,109
28 0.1 896
26,005
141 0.1 85
-- 0.0 21
20 0.4 320
7 16.1 14,613
142 0.0 107
0 0.6 1,131
-- 0.0 43
142 0.0 85

6
20
141
141
47
8
85
3
0
141

29.9
1.1
0.1
0.0
0.4
17.4
0.1
1.3
0.1
0.1

9,057
725
9,782
604
20
161
14,209
181
5,353
161
201

12
16
9
142
141
5
16
5
35
85

17.7
1.4
1.2
0.0
0.3
27.7
0.4
10.4
0.3
0.4

673 20 0.7 1,515 2 1.8 6,158 8 12.0

TOTAL
TOTAL w/o nauplii
Diversity index

89,780
87,713

83,989
80,746

51,260
47,839
2.63

2.01 2.17