Raw Biological
Data for the South Fork of the THORNTON RIVER
at Routes 211/522
at confluence with the North Fork (R-5)
|
Cycle |
Avg. Width (ft) |
Avg. Depth (in) |
Flow Rate |
Temp (°F) |
Collection Time (sec) |
Worms |
Flatworms |
Leeches |
Crayfishes |
Sowbugs |
Scuds |
Stoneflies |
Mayflies |
Dragonflies Damselflies |
Hellgrammites Fishflies Alderflies |
Net-spinning Caddisflies |
Most Caddisflies |
Beetles |
Midges |
Black Flies |
Most True Flies |
Gilled Snails |
Lunged Snails |
Clams |
Other |
Total |
Index Value |
|
Spring 01 |
20 |
6 |
normal |
62.5 |
40 |
6 |
1 |
0 |
3 |
0 |
0 |
14 |
133 |
3 |
2 |
19 |
7 |
42 |
22 |
0 |
14 |
0 |
0 |
0 |
0 |
266 |
12 |
|
Summer 01 |
15 |
3 |
low |
64 |
80 |
9 |
2 |
0 |
1 |
0 |
0 |
17 |
40 |
2 |
2 |
19 |
20 |
88 |
10 |
0 |
7 |
0 |
0 |
0 |
0 |
217 |
11 |
|
Fall 01 |
10 |
3 |
low |
46.5 |
70 |
10 |
0 |
0 |
0 |
0 |
0 |
17 |
104 |
0 |
7 |
33 |
15 |
31 |
11 |
0 |
1 |
0 |
0 |
0 |
0 |
229 |
12 |
|
Winter 02 |
25 |
10 |
normal |
38 |
20 |
4 |
0 |
0 |
0 |
0 |
0 |
67 |
38 |
0 |
2 |
53 |
41 |
75 |
24 |
7 |
5 |
0 |
0 |
0 |
0 |
316 |
12 |
|
Spring 02 |
15 |
4 |
low |
50 |
40 |
3 |
1 |
0 |
1 |
1 |
0 |
11 |
123 |
0 |
3 |
15 |
4 |
16 |
25 |
0 |
0 |
0 |
0 |
0 |
0 |
203 |
12 |
|
Summer 02 |
10 |
2 |
low |
76 |
70 |
13 |
4 |
0 |
0 |
0 |
0 |
16 |
83 |
1 |
2 |
10 |
12 |
56 |
22 |
0 |
4 |
0 |
0 |
0 |
0 |
223 |
11 |
|
Fall 02 |
n/d |
|
no flow |
|
| Spring 03 |
15 |
9 |
normal |
n/d |
65 |
5 |
2 |
0 |
0 |
0 |
0 |
3 |
78 |
1 |
1 |
14 |
8 |
43 |
38 |
0 |
42 |
0 |
0 |
0 |
2 |
237 |
12 |
| Summer 03 |
15 |
4 |
normal |
68 |
75 |
7 |
15 |
0 |
0 |
0 |
0 |
10 |
49 |
0 |
1 |
22 |
14 |
37 |
42 |
1 |
21 |
0 |
0 |
0 |
0 |
219 |
11 |
| Fall 03 |
25 |
10 |
normal |
56 |
30 |
1 |
0 |
0 |
2 |
0 |
0 |
31 |
25 |
0 |
0 |
54 |
55 |
22 |
20 |
0 |
2 |
0 |
0 |
0 |
0 |
212 |
11 |
| Spring 04 |
15 |
10 to 12 |
normal |
51 |
20 |
4 |
0 |
0 |
0 |
0 |
0 |
14 |
161 |
35 |
14 |
0 |
2 |
16 |
7 |
4 |
0 |
0 |
0 |
0 |
0 |
289 |
11 |
| Summer 07 |
10 |
6 |
low |
63.5 |
20 |
6 |
0 |
0 |
1 |
0 |
0 |
17 |
23 |
1 |
0 |
8 |
31 |
73 |
12 |
1 |
4 |
0 |
0 |
0 |
0 |
177 |
12 |
| Fall 07 |
12 |
8 |
low |
46.4 |
30 |
1 |
1 |
0 |
0 |
0 |
0 |
50 |
12 |
0 |
1 |
61 |
38 |
76 |
58 |
9 |
8 |
0 |
0 |
0 |
0 |
315 |
11 |
| Summer 08 |
15 |
12 |
high |
62.6 |
20 |
4 |
0 |
1 |
0 |
0 |
0 |
55 |
133 |
9 |
2 |
13 |
23 |
60 |
24 |
1 |
1 |
1 |
3 |
0 |
1 |
331 |
11 |
|
 Return
to R-5 |