20080868 Ver 2_I-59 2017 Muddy Ponar Upstream Raw Data Table_20180629

Table 1-59. Numbers of benthic macro inverte brates collected in each ponar grab sample at the
Muddy Creek upstream station in May 2017.
Species/taxon
Muddy Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Polychaeta
Eteone heteropoda
16
2
6
2
2
5.6
Marenzellaria viridis
0
2
4
4
4
2.8
Streblospio benedecti
6
0
2
4
0
2.4
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
4
0
0
2
1.2
Cricotopus sp.
0
0
2
0
0
0.4
Tanytarsus sp.
0
0
4
2
0
1.2
Malacostraca
Amphipoda
Apocorophium louisianum
6
0
4
0
0
2.0
Apocorophium sp.
36
8
32
16
8
20.0
Gammarus tigrinus
16
20
4
2
0
8.4
Isopoda
Cyathura polita
0
0
2
0
0
0.4
Mysida
Americamysis almyra
0
0
0
0
2
0.4
Ostracoda
Candonidae sp.
2
0
10
4
6
4.4
Mollusca
Bivalvia
Macoma balthica
2
0
0
4
2
1.6
Mytilopsis leucophaeta
2
0
0
2
0
0.8
Rangia cuneata
2
2
4
4
0
2.4
Gastropoda
Littoridinops sp.
4
2
6
2
0
2.8
Total taxa by sample
92
40
80
46
26
Total abundance = 284
Total taxa present = 15
Shannon -Wiener diversitv = 2.19
MOR