Table Bc04. Summary of riffle habitat benthic invertebrate collections from the Spring River Tributaries Watershed (Missouri). Numbers beside taxa indicate total number collected with the average number/ft2 in parentheses. (*) indicates none found(MDC 1998d).
|
Location 8 22 Jan. 1974 |
Location 8 17 Apr. 1974 |
Location 8 13 Aug. 1974 |
| Total No. Organisms |
214 (35.7) |
2251 (187.6) |
782 (97.7) |
| Amphipoda |
* |
* |
* |
| Coleoptera |
3 (<1.0) |
40 (3.3) |
24 (3.0) |
| Decapoda |
* |
* |
* |
| Diptera |
16 (2.7) |
310 (25.8) |
59 (7.4) |
| Ephemeroptera |
80 (13.3) |
1019 (84.9) |
408 (51.0) |
| Hemiptera |
* |
* |
* |
| Hydracarina |
* |
4 (<1.0) |
* |
| Isopoda |
* |
* |
* |
| Lepidoptera |
* |
* |
* |
| Lymnophila |
3 (<1.0) |
6 (<1.0) |
1 (<1.0) |
| Megagastropoda |
54 (9.0) |
54 (4.5) |
2 (<1.0) |
| Megaloptera |
* |
* |
8 (1.0) |
| Odonata |
* |
* |
* |
| Plecoptera |
5 (<1.0) |
24 (2.0) |
2 (<1.0) |
| Trichoptera |
50 (8.3) |
661 (55.1) |
256 (32.0) |
| Tricladida |
* |
6 (<1.0) |
4 (<1.0) |
| Unionoida |
2 (<1.0) |
* |
* |
| Veneroida |
* |
2 (<1.0) |
* |
| Oligochaeta (species) |
1 (<1.0) |
124 (10.3) |
12 (1.5) |
| Gordiida (species) |
* |
1 (<1.0) |
* |
| Nemata (species) |
* |
* |
6 (<1.0) |
| Branchiobdellidae (species) |
* |
* |
* |
|
Location 8 24 Oct. 1974 |
Location 9 22 Jan. 1974 |
Location 9 17 Apr. 1974 |
| Total No. Organisms |
892 (111.5) |
461 (57.6) |
1268 (158.5) |
| Amphipoda |
1 (<1.0) |
1 (<1.0) |
1 (<1.0) |
| Coleoptera |
51 (6.4) |
10 (1.3) |
42 (5.2) |
| Decapoda |
2 (<1.0) |
1 (1.0) |
* |
| Diptera |
110 (13.7) |
51 (6.4) |
217 (27.1) |
| Ephemeroptera |
307 (38.4) |
323 (40.4) |
713 (89.1) |
| Hemiptera |
* |
* |
* |
| Hydracarina |
7 (<1.0) |
* |
* |
| Isopoda |
* |
1 (<1.0) |
8 (1.0) |
| Lepidoptera |
1 (<1.0) |
* |
* |
| Lymnophila |
3 (<1.0) |
3 (<1.0) |
4 (<1.0) |
| Megagastropoda |
84 (10.5) |
19 (2.4) |
15 (1.9) |
| Megaloptera |
5 (<1.0) |
2 (<1.0) |
3 (<1.0) |
| Odonata |
* |
* |
1 (<1.0) |
| Plecoptera |
1 (<1.0) |
5 (<1.0) |
18 (2.3) |
| Trichoptera |
290 (36.3) |
38 (4.7) |
212 (26.5) |
| Tricladida |
20 (2.5) |
5 (<1.0) |
8 (1.0) |
| Unionoida |
* |
* |
* |
| Veneroida |
* |
* |
* |
| Oligochaeta (species) |
8 (1.0) |
2 (<1.0) |
26 (3.3) |
| Gordiida (species) |
* |
* |
* |
| Nemata (species) |
2 (<1.0) |
* |
* |
| Branchiobdellidae (species) |
* |
* |
* |
|
Location 9 13 Aug. 1974 |
Location 9 24 Oct. 1974 |
|
| Total No. Organisms |
1304 (108.7) |
791 (98.9) |
|
| Amphipoda |
* |
* |
|
| Coleoptera |
89 (7.4) |
36 (4.5) |
|
| Decapoda |
7 (<1.0) |
2 (<1.0) |
|
| Diptera |
119 (9.9) |
101 (12.6) |
|
| Ephemeroptera |
693 (57.7) |
450 (562) |
|
| Hemiptera |
2 (<1.0) |
* |
|
| Hydracarina |
2 (<1.0) |
8 (1.0) |
|
| Isopoda |
3 (<1.0) |
1 (<1.0) |
|
| Lepidoptera |
* |
* |
|
| Lymnophila |
61 (5.1) |
22 (2.7) |
|
| Megagastropoda |
39 (3.3) |
22 (2.7) |
|
| Megaloptera |
7 (<1.0) |
6 (<1.0) |
|
| Odonata |
1 (<1.0) |
* |
|
| Plecoptera |
8 (1.0) |
1 (<1.0) |
|
| Trichoptera |
255 (21.3) |
124 (15.5) |
|
| Tricladida |
4 (<1.0) |
15 (1.9) |
|
| Unionoida |
* |
* |
|
| Veneroida |
* |
* |
|
| Oligochaeta (species) |
13 (1.1) |
3 (<1.0) |
|
| Gordiida (species) |
* |
* |
|
| Nemata (species) |
* |
* |
|
| Branchiobdellidae (species) |
1 (<1.0) |
* |
|