20080868 Ver 2_I-71 2017 Duck Ponar Upstream Raw Data Table_20180629

Table 1-71. Numbers of benthic macro inverte brates collected in each ponar grab sample at the Duck
Creek upstream station in May 2017.
Species/taxon
Duck Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Naididae sp. w/o hair
28
0
0
8
28
12.8
Polychaeta
Amphicteis floridus
100
4
14
36
100
50.8
Mediomastus ambiseta
0
0
0
0
4
0.8
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
0
0
0
4
0.8
Procladius sp.
20
0
2
0
4
5.2
Tanytarsus sp.
0
4
0
0
0
0.8
Malacostraca
Amphipoda
Gammarus tigrinus
4
32
10
20
4
14.0
Ostracoda
Candonidae sp.
12
8
6
28
20
14.8
Cyprideis littoralis
0
8
2
4
4
3.6
Mollusca
Gastropoda
Littoridinops sp.
32
0
10
4
8
10.8
Nematoda
Nematoda sp.
4
0
0
0
4
1.6
Total taxa by sample
200
56
44
100
180
Total abundance = 580
Total taxa present = 11
Shannon -Wiener diversitv = 1.75
1-77