20080868 Ver 2_I-47 2015 Little Ponar Upstream Raw Data Table_20160708

Table 1-47. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Little
Creek upstream station in May 2015.
Species/taxon
Little Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
12
14
30
14
8
15.6
Polychaeta
Amphicteis floridus
10
14
18
12
6
12.0
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
0
2
0
0
0.4
Chironomus decorus
0
2
2
0
0
0.8
Dicrotendipes nervosus
0
2
0
0
0
0.4
Glyptotendipes sp.
6
10
2
6
6
6.0
Tanypus neopunctipennis
0
0
0
0
2
0.4
Tanytarsus sp.
0
0
4
0
2
1.2
Malacostraca
Amphipoda
Gammarus tigrinus
100
100
20
8
56
56.8
Ostracoda
Cyprideis littoralis
2
2
14
2
0
4.0
Mollusca
Gastropoda
Littoridinops sp.
4
6
12
0
8
6.0
Physidae sp. (physalphysella)
2
0
0
2
0
0.8
Total taxa by sample
136
150
104
44
88
Total abundance = 522
Total taxa present = 12
Shannon -Wiener diversity = 1.51
1-55