Table Bc10: Summary of riffle habitat benthic invertebrate collections
Table Bc10. Summary of riffle habitat benthic invertebrate collections from the (1 of 13) Eleven Point Watershed; Numbers beside taxa indicate total number collected with the average number/ft2 in parentheses. (*) indicates none found (MDC 1995b).
| - |
11pt River Mile 5 1974 |
Frederick Mile 7 1983 |
Frederick Mile 1 1974 |
| No. Samples |
4 |
1 |
4 |
| Total No. Organisms |
8042 |
921 |
7664 |
| Avg. Number Organisms/ft2 |
136 |
154 |
213 |
| Trichoptera |
2119 (36.5) |
349 (58.1) |
1060 (29.5) |
| Ephemeroptera |
1302 (22.4) |
432 (72.0) |
3686 (102.4) |
| Odonata |
6 (<1.0) |
1 (<1.0) |
13 (<1.0) |
| Plecoptera |
10 (<1.0) |
1 (<1.0) |
296 (8.2) |
| Lepidoptera |
2 (<1.0) |
* |
10 (<1.0) |
| Coleoptera |
1251 (21.6) |
95 (15.8) |
490 (13.6) |
| Diptera |
273 (4.7) |
12 (2) |
1689 (46.9) |
| Arachnoidea |
7 (<1.0) |
* |
2 (<1.0) |
| Gastropoda |
2567 (44.3) |
* |
37 (1.03) |
| Annelida |
227 (3.9) |
* |
128 (3.6) |
| Isopoda |
28 (<1.0) |
5 (<1.0) |
17 (1.0) |
| Amphipoda |
231 (3.9) |
* |
* |
| Decapoda |
6 (<1.0) |
* |
3 (<1.0) |
| Platyhelminthes |
10 (<1.0) |
3 (<1.0) |
71 (1.9) |
| Megaloptera |
* |
23 (3.8) |
22 (<1.0) |
| Nemato |
* |
* |
4 (<1.0) |
| Hemiptera |
* |
* |
1 (<1.0) |
| Pelecypoda |
* |
* |
130 (3.6) |
| Nematomorpha |
* |
* |
* |
| - |
11pt River Mile 14 1974 |
11pt River Mile 14 1979 |
11pt River Mile 14 1981 |
| No. Samples |
4 |
1 |
2 |
| Total No. Organisms |
15,810 |
6776 |
5874 |
| Avg. Number Organisms/ft |
256 |
565 |
196 |
| Trichoptera |
5432 (87.6) |
2698 (224.8) |
842 (28.1) |
| Ephemeroptera |
4623 (74.6) |
1441 (120) |
2071 (69.0) |
| Odonata |
1 (<1.0) |
* |
5 (<1.0) |
| Plecoptera |
18 (<1.0) |
8 (<1.0) |
2 (<1.0) |
| Lepidoptera |
10 (<1.0) |
8 (<1.0) |
5 (<1.0) |
| Coleoptera |
3018 (48.7) |
1141 (18.4) |
1670 (55.7) |
| Diptera |
1093 (17.6) |
352 (29.3) |
116 (3.9) |
| Arachnoidea |
28 (<1.0) |
14 (1.2) |
7 (<1.0) |
| Gastropoda |
1191 (19.2) |
755 (62.9) |
781 (26.0) |
| Annelida |
94 (1.5) |
233 (19.4) |
213 (7.1) |
| Isopoda |
7 (<1.0) |
* |
2 (<1.0) |
| Amphipoda |
63 (1.0) |
15 (1.3) |
69 (2.3) |
| Decapoda |
7 (<1.0) |
2 (<1.0) |
25 (<1.0) |
| Platyhelminthes |
213 (3.4) |
101 (8.4) |
55 (<1.8) |
| Megaloptera |
7 (<1.0) |
2 (<1.0) |
* |
| Nematoda |
5 (<1.0) |
5 (<1.0) |
* |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
* |
1 (<1.0) |
3 (<1.0) |
| Nematomorpha |
* |
* |
* |
| - |
11pt River Mile 14 1983 |
Boze Mill Mile 1 1979 |
Boze Mill Mile 1 1981 |
| No. Samples |
1 |
1 |
1 |
| Total No. Organisms |
1192 |
931 |
1745 |
| Avg. Number Organisms/ft |
119 |
116 |
175 |
| Trichoptera |
430 (43) |
14 (1.8) |
27 (2.7) |
| Ephemeroptera |
378 (37.8) |
197 (24.6) |
282 (28.2) |
| Odonata |
* |
* |
* |
| Plecoptera |
* |
2 (<1.0) |
* |
| Lepidoptera |
* |
* |
* |
| Coleoptera |
317 (31.7) |
5 (<1.0) |
4 (<1.0) |
| Diptera |
22 (2.2) |
59 (7.4) |
62 (6.2) |
| Arachnoidea |
* |
16 (2.0) |
1 (<1.0) |
| Gastropoda |
* |
428 (53.5) |
1078 (107.8) |
| Annelida |
2 (<1.0) |
8 (1.0) |
17 (1.7) |
| Isopoda |
1 (<1.0) |
154 (19.3) |
9 (<1.0) |
| Amphipoda |
4 (<1.0) |
41 (5.1) |
111 (11.1) |
| Decapoda |
9 (<1.0) |
2 (<1.0) |
3 (<1.0) |
| Platyhelminthes |
26 (2.6) |
5 (<1.0) |
151 (15.1) |
| Megaloptera |
8 (<1.0) |
* |
* |
| Nematoda |
* |
* |
* |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
* |
* |
* |
| Nematomorpha |
* |
* |
* |
| - |
Boze Mill Mile 1 1983 |
11pt River Mile 28 1981 |
11pt River Mile 28 1985 |
| No. Samples |
1 |
2 |
1 |
| Total No. Organisms |
427 |
2917 |
2406 |
| Avg. Number Organisms/ft |
71 |
365 |
301 |
| Trichoptera |
65 (10.8) |
439 (54.9) |
896 (112) |
| Ephemeroptera |
18 (3.0) |
1009 (126.0) |
1194 (149.3) |
| Odonata |
* |
* |
* |
| Plecoptera |
* |
* |
* |
| Lepidoptera |
* |
18 (2.3) |
* |
| Coleoptera |
* |
731 (91.4) |
* |
| Diptera |
6 (1.0) |
169 (21.1) |
180 (22.5) |
| Arachnoidea |
* |
2 (<1.0) |
46 (5.8) |
| Gastropoda |
* |
94 (11.8) |
1 (<1.0) |
| Annelida |
12 (2.0) |
90 (11.3) |
23 (2.9) |
| Isopoda |
118 (19.7) |
* |
52 (6.5) |
| Amphipoda |
141 (23.5) |
243 (30.4) |
* |
| Decapoda |
* |
6 (<1.0) |
* |
| Platyhelminthes |
67 (11.2) |
108 (13.5) |
9 (1.1) |
| Megaloptera |
* |
* |
2 (<1.0) |
| Nematoda |
* |
1 (<1.0) |
2 (<1.0) |
| Hemiptera |
* |
* |
1 (<1.0) |
| Pelecypoda |
* |
* |
* |
| Nematomorpha |
* |
* |
* |
| - |
Turner Mill Mile 0 1981 |
Turner Mill Mile 0 1983 |
11pt River Mile 33 1974 |
| No. Samples |
1 |
1 |
4 |
| Total No. Organisms |
1439 |
434 |
14,389 |
| Avg. Number Organisms/ft |
192 |
72 |
313 |
| Trichoptera |
402 (50.3) |
113 (18.8) |
4976 (108.2) |
| Ephemeroptera |
41 (5.1) |
* |
4710 (102.4) |
| Odonata |
* |
* |
1 (<1.0) |
| Plecoptera |
* |
* |
232 (5.1) |
| Lepidoptera |
* |
* |
9 (<1.0) |
| Coleoptera |
8 (1.0) |
1 (<1.0) |
1579 (34.3) |
| Diptera |
152 (19.0) |
1 (<1.0) |
2151 (46.8) |
| Arachnoidea |
* |
* |
26 (<1.0) |
| Gastropoda |
472 (59.0) |
* |
113 (2.5) |
| Annelida |
89 (11.1) |
6 (1.0) |
141 (3.1) |
| Isopoda |
1 (<1.0) |
* |
46 (1.0) |
| Amphipoda |
165 (20.6) |
279 (46.5) |
* |
| Decapoda |
4 (<1.0) |
9 (1.5) |
8 (<1.0) |
| Platyhelminthes |
101 (12.6) |
25 (4.2) |
359 (7.8) |
| Megaloptera |
4 (<1.0) |
* |
17 (<1.0) |
| Nematoda |
* |
* |
2 (<1.0) |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
* |
* |
* |
| Nematomorpha |
* |
* |
* |
| - |
11pt River Mile 33 1981 |
11pt River Mile 33 1983 |
11pt River Mile 33 1985 |
| No. Samples |
2 |
1 |
1 |
| Total No.Organisms |
7462 |
3838 |
3989 |
| Avg. Number Organisms/ft |
249 |
384 |
499 |
| Trichoptera |
4292 (143.1) |
2178 (217.8) |
1733 (216.6) |
| Ephemeroptera |
1534 (51.1) |
774 (77.4) |
1848 (231.0) |
| Odonata |
1 (<1.0) |
* |
* |
| Plecoptera |
27 (<1.0) |
14 (1.4) |
10 (1.3) |
| Lepidoptera |
22 (<1.0) |
* |
2 (<1.0) |
| Coleoptera |
685 (22.8) |
103 (10.3) |
75 (9.4) |
| Diptera |
159 (5.3) |
173 (17.3) |
66 (8.3) |
| Arachnoidea |
* |
* |
4 (<1.0) |
| Gastropoda |
92 (3.1) |
* |
23 (2.9) |
| Annelida |
93 (3.1) |
2 (<1.0) |
8 (1.0) |
| Isopoda |
167 (5.6) |
331 (33.1) |
100 (12.5) |
| Amphipoda |
7 (<1.0) |
* |
9 (1.1) |
| Decapoda |
35 (1.2) |
3 (<1.0) |
11 (1.4) |
| Platyhelminthes |
336 (11.2) |
259 (25.9) |
97 (12.1) |
| Megaloptera |
10 (<1.0) |
1 (<1.0) |
3 (<1.0) |
| Nematoda |
2 (<1.0) |
* |
* |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
* |
* |
* |
| Nematomorpha |
* |
* |
* |
| - |
11pt River Mile 34 1985 |
11pt River Mile 36 1974 |
11pt River Mile 36 1983 |
| No. Samples |
1 |
4 |
1 |
| Total No.Organisms |
1977 |
5568 |
1927 |
| Avg. Number Organisms/ft |
247 |
139 |
193 |
| Trichoptera |
916 (114.5) |
1440 (36.0) |
811 (81.1) |
| Ephemeroptera |
761 (95.1) |
2475 (61.9) |
876 (87.6) |
| Odonata |
* |
3 (<1.0) |
* |
| Plecoptera |
10 (1.3) |
27 (<1.0) |
2 (<1.0) |
| Lepidoptera |
6 (<1.0) |
4 (<1.0) |
* |
| Coleoptera |
97 (12.1) |
718 (18.0) |
164 (16.4) |
| Diptera |
62 (7.2) |
585 (14.6) |
28 (2.8) |
| Arachnoidea |
1 (<1.0) |
12 (<1.0) |
* |
| Gastropoda |
46 (5.8) |
85 (3.2) |
* |
| Annelida |
46 (5.8) |
160 (4.0) |
* |
| Isopoda |
* |
* |
* |
| Amphipoda |
* |
* |
* |
| Decapoda |
9 (1.1) |
14 (<1.0) |
10 (1.0) |
| Platyhelminthes |
* |
7 (<1.0) |
2 (<1.0) |
| Megaloptera |
18 (2.3) |
26 (<1.0) |
34 (3.4) |
| Nematoda |
* |
* |
* |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
5 (<1.0) |
9 (<1.0) |
* |
| Nematomorpha |
* |
* |
* |
| - |
Hurricane Mile 1 1974 |
Hurricane Mile 1 1981 |
Hurricane Mile 1 1983 |
| No. Samples |
4 |
1 |
1 |
| Total No. Organisms |
8312 |
1449 |
2070 |
| Avg. Number Organisms/ft |
260 |
145 |
345 |
| Trichoptera |
3532 (110.4) |
67 (6.7) |
941 (156.8) |
| Ephemeroptera |
3038 (94.9) |
247 (24.7) |
910 (151.7) |
| Odonata |
21 (<1.0) |
* |
1 (<1.0) |
| Plecoptera |
151 (4.7) |
73 (7.3) |
1 (<1.0) |
| Lepidoptera |
26 (<1.0) |
* |
* |
| Coleoptera |
338 (10.6) |
48 (4.8) |
71 (11.8) |
| Diptera |
635 (19.8) |
982 (98.2) |
55 (9.2) |
| Arachnoidea |
26 (<1.0) |
* |
* |
| Gastropoda |
277 (<1.0) |
3 (<1.0) |
* |
| Annelida |
52 (1.6) |
11 (1.6) |
1 (<1.0) |
| Isopoda |
1 (<1.0) |
* |
* |
| Amphipoda |
73 (2.3) |
* |
2 (<1.0) |
| Decapoda |
6 (<1.0) |
2 (<1.0) |
4 (<1.0) |
| Platyhelminthes |
7 (<1.0) |
* |
35 (5.8) |
| Megaloptera |
124 (3.9) |
14 (1.4) |
46 (7.7) |
| Nematoda |
* |
1 (<1.0) |
* |
| Hemiptera |
* |
* |
3 (<1.0) |
| Pelecypoda |
3 (<1.0) |
* |
* |
| Nematomorpha |
2 (<1.0) |
1 (<1.0) |
* |
| - |
Hurricane Mile 1 1985 |
Greer SP Mile 1 1974 |
Greer SP Mile 1 1979 |
| No. Samples |
1 |
4 |
1 |
| Total No. Organisms |
3435 |
2198 |
1134 |
| Avg. Number Organisms/ft |
573 |
73 |
142 |
| Trichoptera |
1648 (274.7) |
754 (25.1) |
852 (106.5) |
| Ephemeroptera |
558 (9.3) |
937 (31.2) |
86 (10.8) |
| Odonata |
8 (1.3) |
* |
* |
| Plecoptera |
26 (4.3) |
155 (5.2) |
16 (2.0) |
| Lepidoptera |
2 (<1.0) |
* |
2 (<1.0) |
| Coleoptera |
253 (42.2) |
152 (5.1) |
46 (5.8) |
| Diptera |
86 (14.3) |
115 (3.8) |
* |
| Arachnoidea |
8 (1.3) |
4 (<1.0) |
* |
| Gastropoda |
741 (123.5) |
8 (<1.0) |
* |
| Annelida |
17 (2.8) |
4 (<1.0) |
19 (2.4) |
| Isopoda |
* |
* |
* |
| Amphipoda |
7 (1.2) |
37 (1.2) |
16 (2.0) |
| Decapoda |
3 (<1.0) |
21 (<1.0) |
4 (<1.0) |
| Platyhelminthes |
28 (4.7) |
3 (<1.0) |
2 (<1.0) |
| Megaloptera |
49 (8.2) |
* |
* |
| Nematoda |
* |
5 (<1.0) |
2 (<1.0) |
| Hemiptera |
1 (<1.0) |
* |
* |
| Pelecypoda |
* |
* |
* |
| Nematomorpha |
* |
* |
* |
| - |
McCormack Mile 0 1985 |
McCormack Mile 0 1985 |
11pt River Mile 40 1983 |
| No. Samples |
1 |
1 |
1 |
| Total No. Organisms |
2092 |
1247 |
617 |
| Avg. Number Organisms/ft |
349 |
208 |
62 |
| Trichoptera |
1402 (233.7) |
308 (51.3) |
39 (3.9) |
| Ephemeroptera |
140 (23.3) |
452 (75.3) |
493 (49.3) |
| Odonata |
2 (<1.0) |
10 (1.7) |
11 (1.1) |
| Plecoptera |
6 (1.0) |
12 (2.0) |
* |
| Lepidoptera |
* |
2 (<1.0) |
* |
| Coleoptera |
2 (<1.0) |
170 (28.3) |
30 (3.0) |
| Diptera |
236 (39.3) |
168 (28.0) |
39 (3.9) |
| Arachnoidea |
5 (<1.0) |
* |
* |
| Gastropoda |
13 (2.2) |
8 (1.3) |
* |
| Annelida |
13 (2.2) |
49 (8.2) |
1 (<1.0) |
| Isopoda |
116 (19.3) |
* |
* |
| Amphipoda |
* |
* |
* |
| Decapoda |
* |
* |
* |
| Platyhelminthes |
59 (9.8) |
34 (5.7) |
1 (<1.0) |
| Megaloptera |
85 (14.2) |
32 (5.3) |
3 (<1.0) |
| Nematoda |
* |
* |
* |
| Hemiptera |
2 (<1.0) |
* |
* |
| Pelecypoda |
* |
2 (<1.0) |
* |
| Nematomorpha |
8 (<1.0) |
* |
* |
| - |
11pt River Mile 40 1985 |
11pt River Mile 47 1974 |
Spring Cr Mile 0 1974 |
| No. Samples |
2 |
4 |
4 |
| Total No. Organisms |
3985 |
3357 |
3045 |
| Avg. Number Organisms/ft |
247 |
93 |
102 |
| Trichoptera |
882 (55.1) |
865 (9.3) |
864 (39.1) |
| Ephemeroptera |
2161 (135.1) |
1897 (52.7) |
1123 (37.4) |
| Odonata |
25 (1.6) |
1 (<1.0) |
1 (<1.0) |
| Plecoptera |
130 (8.1) |
42 (1.2) |
29 (<1.0) |
| Lepidoptera |
2 (<1.0) |
2 (<1.0) |
1 (<1.0) |
| Coleoptera |
48 (3.0) |
86 (2.4) |
156 (5.2) |
| Diptera |
405 (25.3) |
340 (9.4) |
310 (10.3) |
| Arachnoidea |
1 (<1.0) |
19 (<1.0) |
7 (<1.0) |
| Gastropoda |
168 (10.5) |
67 (1.9) |
5 (<1.0) |
| Annelida |
37 (2.3) |
9 (<1.0) |
103 (3.4) |
| Isopoda |
* |
* |
* |
| Amphipoda |
* |
2 (<1.0) |
1 (<1.0) |
| Decapoda |
5 (<1.0) |
* |
1 (<1.0) |
| Platyhelminthes |
2 (<1.0) |
1 (<1.0) |
30 (1.0) |
| Megaloptera |
18 (1.1) |
25 (<1.0) |
3 (<1.0) |
| Nematoda |
* |
* |
3 (<1.0) |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
34 (2.1) |
* |
* |
| Nematomorpha |
* |
1 (<1.0) |
1 (<1.0) |
| - |
11pt River Mile 40 1985 |
11pt River Mile 47 1974 |
Spring Cr Mile 0 1974 |
| No. Samples |
2 |
4 |
4 |
| Total No. Organisms |
3985 |
3357 |
3045 |
| Avg. Number Organisms/ft |
247 |
93 |
102 |
| Trichoptera |
882 (55.1) |
865 (9.3) |
864 (39.1) |
| Ephemeroptera |
2161 (135.1) |
1897 (52.7) |
1123 (37.4) |
| Odonata |
25 (1.6) |
1 (<1.0) |
1 (<1.0) |
| Plecoptera |
130 (8.1) |
42 (1.2) |
29 (<1.0) |
| Lepidoptera |
2 (<1.0) |
2 (<1.0) |
1 (<1.0) |
| Coleoptera |
48 (3.0) |
86 (2.4) |
156 (5.2) |
| Diptera |
405 (25.3) |
340 (9.4) |
310 (10.3) |
| Arachnoidea |
1 (<1.0) |
19 (<1.0) |
7 (<1.0) |
| Gastropoda |
168 (10.5) |
67 (1.9) |
5 (<1.0) |
| Annelida |
37 (2.3) |
9 (<1.0) |
103 (3.4) |
| Isopoda |
* |
* |
* |
| Amphipoda |
* |
2 (<1.0) |
1 (<1.0) |
| Decapoda |
5 (<1.0) |
* |
1 (<1.0) |
| Platyhelminthes |
2 (<1.0) |
1 (<1.0) |
30 (1.0) |
| Megaloptera |
18 (1.1) |
25 (<1.0) |
3 (<1.0) |
| Nematoda |
* |
* |
3 (<1.0) |
| Hemiptera |
* |
* |
* |
| Pelecypoda |
34 (2.1) |
* |
* |
| Nematomorpha |
* |
1 (<1.0) |
1 (<1.0) |
| - |
Tupelo Gum Mile 1 1985 |
Barren Fork Mile 2 1974 |
11pt River Mile 49 1974 |
| No. Samples |
1 |
4 |
4 |
| Total No. Organisms |
30 |
4023 |
3288 |
| Avg. Number Organisms/ft |
N/A (pond) |
118 |
110 |
| Trichoptera |
* |
846 (24.9) |
1286 (42.9) |
| Ephemeroptera |
* |
9 (<1.0) |
1 (<1.0) |
| Odonata |
8 |
9 (<1.0) |
1 (<1.0) |
| Plecoptera |
* |
265 (7.8) |
134 4.5) |
| Lepidoptera |
* |
* |
1 (<1.0) |
| Coleoptera |
4 |
152 (4.5) |
254 (8.5) |
| Diptera |
2 |
758 (22.3) |
222 (7.4) |
| Arachnoidea |
* |
8 (<1.0) |
1 (<1.0) |
| Gastropoda |
* |
* |
2 (<1.0) |
| Annelida |
* |
148 (4.4) |
5 (<1.0) |
| Isopoda |
* |
10 (<1.0) |
* |
| Amphipoda |
* |
* |
* |
| Decapoda |
* |
* |
3 (<1.0) |
| Platyhelminthes |
* |
10 (<1.0) |
184 (6.1) |
| Megaloptera |
2 |
100 (2.9) |
10 (<1.0) |
| Nematoda |
* |
* |
* |
| Hemiptera |
10 |
* |
1 (<1.0) |
| Pelecypoda |
3 |
* |
8 (<1.0) |
| Nematomorpha |
* |
5 (<1.0) |
* |
| - |
11pt River Mile 49 1985 |
Mid Fk/11 Pt Mile 1 1974 |
|
| No. Samples |
1 |
4 |
|
| Total No. Organisms |
3193 |
5395 |
|
| Avg. Number Organisms/ft |
399 |
317 |
|
| Trichoptera |
1188 (148.5) |
980 (28.8) |
|
| Ephemeroptera |
1550 (193.8) |
3096 (91.1) |
|
| Odonata |
6 (<1.0) |
4 (<1.0) |
|
| Plecoptera |
10 (1.3) |
249 (7.3) |
|
| Lepidoptera |
2 (<1.0) |
* |
|
| Coleoptera |
32 (4.0) |
25 (>1.0) |
|
| Diptera |
363 (45.4) |
918 (27.0) |
|
| Arachnoidea |
3 (<1.0) |
1 (<1.0) |
|
| Gastropoda |
4 (<1.0) |
6 (<1.0) |
|
| Annelida |
16 (2.0) |
20 (<1.0) |
|
| Isopoda |
* |
* |
|
| Amphipoda |
* |
2 (<1.0) |
|
| Decapoda |
4 (<1.0) |
3 (<1.0) |
|
| Platyhelminthes |
* |
47 (1.4) |
|
| Megaloptera |
13 (1.6) |
31 (<1.0) |
|
| Nematoda |
* |
* |
|
| Hemiptera |
* |
* |
|
| Pelecypoda |
2 (<1.0) |
* |
|
| Nematomorpha |
* |
2 (<1.0) |
|
Content tagged with