20080868 Ver 2_I-51 2017 Long Ponar Upstream Raw Data Table_20180629

Table 1-51. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Long
Creek upstream station in May 2017.
Species/taxon
Long Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Hirudinea
Myzobdella lugubris
0
1
0
0
0
0.2
Polychaeta
Amphicteis floridus
5
4
4
1
0
2.8
Eteone heteropoda
1
0
0
1
1
0.6
Marenzellaria viridis
45
22
33
18
16
26.8
Streblospio benedicti
4
2
0
0
9
3.0
Arthropoda
Arachnida
Acari sp.
0
0
1
0
0
0.2
Insecta
Diptera
Bezzia/Palpomyia complex
1
0
0
0
0
0.2
Chironomus decorus
24
8
22
15
40
21.8
Tanypus neopunctipennis
2
1
4
1
3
2.2
Tanytarsus sp.
0
1
0
0
0
0.2
Ephemeroptera
Callibaetis sp.
1
0
0
0
0
0.2
Hemiptera
Abedus/Belostoma complex
0
0
1
0
0
0.2
Odonata
Enallagma sp.
0
0
2
0
0
0.4
Malacostraca
Amphipoda
Apocorophium lacustre
0
0
12
0
4
3.2
Apocorophium louisianum
0
9
1
0
3
2.6
Apocorophium sp.
6
21
54
1
8
18.0
Gammarus mucronatus
4
3
3
1
0
2.2
Gammarus tigrinus
14
64
100
1
30
41.8
Isopoda
Cassidinidea lunifrons
0
0
1
0
0
0.2
Edotia montosa
1
0
0
0
0
0.2
Mysida
Americamysis almyra
0
6
1
0
10
3.4
Ostracoda
Cyprideis littoralis
6
7
7
1
3
4.8
Mollusca
Bivalvia
Macoma balthica
5
3
2
0
1
2.2
Rangia cuneata
0
0
0
3
0
0.6
Gastropoda
Littoridinops sp.
10
16
76
4
9
23.0
Nematoda
Nematoda sp.
4
5
3
3
2
3.4
Total taxa by sample
133
173
327
50
139
Total abundance = 822
Total taxa present = 25
Shannon -Wiener diversity = 2.27
1-57