20080868 Ver 2_I-41 2014 PA2 Ponar Downstream Raw Data Table_20150717

Table 1 -41. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the PA2
downstream station in May 2014.
PA2 Creek Downstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
4
42
3
9
6
12.8
Polychaeta
Heteromastus filiformis
0
1
0
0
0
0.2
Polydora cornuta
1
0
0
0
0
0.2
Arthropoda
Insecta
Diptera
Bezzia/Palmonyia complex
0
1
0
0
0
0.2
Chironomus decorus
4
9
2
6
9
6.0
Parachironomus sp.
4
3
1
0
3
2.2
Malacostraca
Amphipoda
Apocorophium louisanum
0
1
0
0
0
0.2
Apocorophium sp.
1
3
0
0
1
1.0
Gammarus mucronatus
6
18
0
4
8
7.2
Tanaidacea
Hargeria rapax
1
0
0
0
0
0.2
Mollusca
Bivalvia
Macoma tenta
0
1
0
0
0
0.2
Gastropoda
Littoridinops tenuipes
5
7
3
6
1
4.4
Total taxa by sample
26
86
9
25
28
Total abundance = 174
Total taxa present = 11
Shannon - Wiener diversity = 1.71
1 -47