20080868 Ver 2_I-47 2017 Little Ponar Upstream Raw Data Table_20180629

Table 1-47. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Little
Creek upstream station in May 2017.
Species/taxon
Little Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Limnodrilus hoffineisteri
18
8
15
0
0
8.2
Naididae sp. w/o hair
21
40
54
36
28
35.8
Paranais sp.
0
0
3
0
0
0.6
Tubificoides heterochaetus
0
0
0
32
4
7.2
Polychaeta
Amphicteis floridus
0
24
24
24
20
18.4
Arthropoda
Insecta
Diptera
Chironomus decorus
81
100
100
32
86
79.8
Clinotanypus sp.
3
0
0
0
0
0.6
Dicrotendipes nervosus
0
0
0
2
0
0.4
Procladius sp.
0
0
3
0
0
0.6
Tanypus neopuntipennis
0
0
3
6
4
2.6
Tanytarsus sp.
6
0
0
2
4
2.4
Malacostraca
Amphipoda
Apocorophium lacustre
3
0
0
0
0
0.6
Gammarus tigrinus
78
52
9
4
10
30.6
Ostracoda
Candonidae sp.
75
8
6
8
2
19.8
Cyprideis littoralis
21
20
12
0
2
11.0
Mollusca
Bivalvia
Mytilopsis leucophaeta
12
4
0
0
0
3.2
Gastropoda
Littoridinops sp.
9
0
6
2
0
3.4
Physidae sp. (physa 1physella)
3
0
0
0
0
0.6
Nematoda
Nematoda sp.
3
12
12
0
2
5.8
Total taxa by sample
333
268
247
148
162
Total abundance = 1,158
Total taxa present = 18
Shannon -Wiener diversity = 2.11
1-53