20080868 Ver 2_I-39 2017 PA2 Ponar Upstream Raw Data Table_20180629

Table 1-39. Numbers of benthic macro inverte brates collected in each ponar grab sample at the PA2
upstream station in May 2017.
Species/taxon
PA2 Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Naididae sp. w/o hair
1
0
0
0
0
0.2
Polychaeta
Amphicteis floridus
25
16
58
29
13
28.2
Laeonereis culveri
0
0
0
0
1
0.2
Marenzelleria viridis
0
0
1
0
0
0.2
Streblospio benedicti
0
0
0
2
0
0.4
Arthropoda
Insecta
Diptera
Apedilum sp.
3
1
5
2
3
2.8
Bezzia/Palpomyia complex
1
0
0
1
0
0.4
Chironomus decorus
1
1
0
0
0
0.4
Dicrotendipes nervosus
0
0
1
0
0
0.2
Goeldichironomus devineyae
2
1
0
0
0
0.6
Tanypus neopunctipennis
1
0
1
0
0
0.4
Hemiptera
Corixidae sp.
3
3
6
15
2
5.8
Trichocorixa sexcinta
0
1
4
0
0
1.0
Odonata
Enallagma sp.
1
0
0
0
0
0.2
Malacostraca
Amphipoda
Apocorophium sp.
1
0
3
2
0
1.2
Gammarus tigrinus
4
3
1
5
0
2.6
Ostracoda
Cyprideis Iittoralis
0
0
1
1
0
0.4
Mollusca
Bivalvia
Rangia cuneata
0
0
1
0
0
0.2
Gastropoda
Littoridinops sp.
24
35
74
16
18
33.4
Nematoda
Nematoda sp.
1
0
0
0
0
0.2
Total taxa by sample
68
61
156
73
37
Total abundance = 395
Total taxa present = 19
Shannon -Wiener diversity = 1.55
MR