20080868 Ver 2_I-53 2014 Long Ponar Downstream Raw Data Table_20150717

Table 1 -53. Numbers of benthic macro invertebrates collected in each ponar grab sample at the Long
Creek downstream station in May 2014.
1 -59
Long Creek Downstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
0
1
0
0
0
0.2
Polychaeta
Eteone heteropoda
0
0
1
0
0
0.2
Marenzelleria viridis
0
0
2
0
0
0.4
Mediomastus ambiseta
1
2
2
0
0
1.0
Neanthes succinea
1
3
1
0
0
1.0
Polydora cornuta
0
0
0
0
1
0.2
Streb/ospio benedicti
1
2
0
0
1
0.8
Arthropoda
Insecta
Diptera
Chironomus decorus
29
29
44
21
25
29.6
Hemiptera
Corixidae sp.
0
0
0
0
1
0.2
Malacostraca
Mysida
Americamysis almyra
1
0
0
0
0
0.2
Ostracoda
Cyprideis littoralis
0
0
0
1
0
0.2
Mollusca
Bivalvia
Macoma balthica
3
9
5
3
4
4.8
Macoma tenta
12
14
26
10
16
15.6
Gastropoda
Littoridinops tenuipes
1
0
0
0
0
0.2
Total taxa by sample
49
60
81
35
48
Total abundance = 273
Total taxa present = 14
Shannon - Wiener diversity = 1.29
1 -59