20080868 Ver 2_I-79 2017 DCUT11 Ponar Upstream Raw Data Table_20180629

Table 1-79. Numbers of benthic macro inverte brates collected in each ponar grab sample at the
DCUT11 upstream station in May 2017.
Species/taxon
DCUT11
Upstream Samples
1
2
3
4
5
Average
Annelida
Polychaeta
Amphicteis floridus
8
2
6
0
10
5.2
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
0
2
0
0
0.4
Dicrotendipes nervosus
2
0
0
0
0
0.4
Polypedilum sp.
0
2
0
0
0
0.4
Tanytarsus sp.
2
0
2
0
0
0.8
Malacostraca
Amphipoda
Apocorophium sp.
0
0
2
0
0
0.4
Gammarus tigrinus
90
100
28
80
0
59.6
Ostracoda
Candonidae sp.
2
0
0
0
0
0.4
Cyprideis littoralis
16
14
22
8
8
13.6
Mollusca
Bivalvia
Mytilopsis leucophaeta
2
0
0
0
0
0.4
Gastropoda
Littoridinops sp.
4
4
8
12
0
5.6
Nematoda
Nematoda sp.
4
0
2
0
4
2.0
Total taxa by sample
130
122
72
100
22
Total abundance = 446
Total taxa present = 12
Shannon -Wiener diversity = 1.17
IM