20080868 Ver 2_I-61 2015 Muddy Ponar Downstream Raw Data Table_20160708

Table 1-61. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Muddy
Creek downstream station in May 2015.
Species/taxon
Muddy Creek Downstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
3
4
19
4
10
8.0
Tubificoides heterochaetus
0
0
9
4
8
4.2
Polychaeta
Amphicteis floridus
0
1
11
3
3
3.6
Eteone heteropoda
2
1
0
2
0
1.0
Marenzelleria virids
1
1
2
1
0
1.0
Mediomastus ambiseta
0
0
0
1
2
0.6
Streblospio benedicti
1
4
19
5
20
9.8
Arthropoda
Insecta
Diptera
Chironomus decorus
100
47
91
57
72
73.4
Parachironomus sp.
0
0
0
1
0
0.2
Tanypus neopunctipennis
1
0
0
0
0
0.2
Tanytarsus sp.
0
0
0
1
0
0.2
Malacostraca
Amphipoda
Apocorophium sp.
1
0
1
1
0
0.6
Gammarus mucronatus
0
0
1
0
0
0.2
Gammarus tigrinus
0
0
2
0
0
0.4
Isopoda
Edotia montosa
0
1
2
1
0
0.8
Mysida
Americamysis almyra
0
2
0
2
3
1.4
Ostracoda
Candonidae sp.
0
0
2
0
1
0.6
Cyprideis littoralis
1
0
2
1
1
1.0
Mollusca
Bivalvia
Macoma balthica
4
2
2
3
5
3.2
Macoma tenta
2
8
11
4
6
6.2
Gastropoda
Littoridinops sp.
2
3
2
1
1
1.8
Total taxa by sample
118
74
176
92
132
Total abundance = 592
Total taxa present = 20
Shannon -Wiener diversity = 1.58
.a