20080868 Ver 2_I-51 2015 Long Ponar Upstream Raw Data Table_20160708

Table 1-51. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Long
Creek upstream station in May 2015.
Species/taxon
Long Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
2
7
1
3
3
3.2
Tubificoides heterochaetus
0
0
0
1
0
0.2
Polychaeta
Amphicteis floridus
0
2
10
1
4
3.4
Eteone heteropoda
1
3
5
2
0
2.2
Mediomastus ambiseta
0
1
0
0
0
0.2
Streblospio benedicti
3
27
3
6
9
9.6
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
1
0
0
1
0
0.4
Chironomus decorus
60
76
91
32
61
64.0
Tanypus neopunctipennis
8
3
18
2
2
6.6
Tanytarsus sp.
5
1
1
1
2
2.0
Malacostraca
Amphipoda
Apocorophium louisianum
0
0
4
1
3
1.6
Apocorophium sp.
5
1
30
7
15
11.6
Gammarus mucronatus
0
0
14
5
0
3.8
Gammarus tigrinus
4
0
27
6
12
9.8
Mysida
Americamysis almyra
2
0
0
0
0
0.4
Ostracoda
Candonidae sp.
0
0
0
1
0
0.2
Cyprideis littoralis
6
2
0
1
8
3.4
Mollusca
Bivalvia
Macoma balthica
1
0
1
0
0
0.4
Macoma tenta
2
0
3
1
1
1.4
Gastropoda
Littoridinops sp.
3
0
1
0
6
2.0
Nematoda
Nematoda sp.
0
0
0
0
1
0.2
Total taxa by sample
103
123
209
71
127
Total abundance = 633
Total taxa present = 19
Shannon -Wiener diversity= 1.91
1-59