20080868 Ver 2_I-65 2015 Huddles Ponar Downstream Raw Data Table_20160708

Table 1-65. Numbers of benthic macroi nve rte b rates collected in each ponar grab sample at the
Huddles Cut downstream station in May 2015.
Species/taxon
Huddles Cut Downstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Aulodrilus sp.
100
100
24
4
48
55.2
Polychaeta
Mediomastus ambiseta
0
0
0
4
0
0.8
Arthropoda
Insecta
Diptera
Cryptochironomus sp.
0
4
0
0
0
0.8
Malacostraca
Amphipoda
Lepidactylus dytiscus
32
20
0
8
24
16.8
Ostracoda sp.
Ostracoda sp.
0
4
20
8
92
24.8
Mollusca
Gastropoda
Littoridinops sp.
0
4
0
0
0
0.8
Nematoda
Nematoda sp.
100
100
100
100
100
100.0
Total taxa by sample
232
232
144
124
264
Total abundance = 996
Total taxa present = 7
Shannon -Wiener diversity = 1.24
1-73