20080868 Ver 2_I-35 2015 Jacobs Ponar Upstream Raw Data Table_20160708

Table 1-35. Numbers of benthic m acroi nverte b rates collected in each ponar grab sample at the
Jacobs Creek upstream station in May 2015.
Species/taxon
Jacobs Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
4
0
0
2
0
1.2
Polychaeta
Amphicteis floridus
62
22
46
62
12
40.8
Eteone heteropoda
2
0
2
0
0
0.8
Streblospio benedicti
0
8
4
4
0
3.2
Arthropoda
Crustacea
Zoea sp.
2
0
0
0
0
0.4
Insecta
Coleoptera
Berosus sp.
0
0
0
0
3
0.6
Diptera
Bezzia/Palmonyia complex
4
2
10
2
2
4.0
Chironomus decorus
4
6
4
2
0
3.2
Goeldichironomus devineyae
0
0
6
0
0
1.2
Parachironomus sp.
2
0
0
0
0
0.4
Tanypus neopunctipennis
20
14
26
16
18
18.8
Tanytarsus sp.
32
4
32
14
21
20.6
Malacostraca
Amphipoda
Apocorophium louisianum
2
4
0
4
0
2.0
Apocorophium sp.
70
18
46
100
15
49.8
Gammarus tigrinus
100
2
40
100
27
53.8
Decapoda
Rhithropanopeus harisii
2
0
0
0
0
0.4
Maxillopoda
Harpacticoida sp.
0
0
0
2
0
0.4
Ostracoda
Candonidae sp.
0
0
2
8
12
4.4
Cyprideis littoralis
0
0
2
4
0
1.2
Mollusca
Bivalvia
Macoma balthica
0
0
0
2
0
0.4
Macoma tenta
0
0
0
0
3
0.6
Mytilopsis leucophaeta
4
0
0
0
0
0.8
Gastropoda
Littoridinops sp.
34
2
48
20
12
23.2
Nematoda
Nematoda sp.
0
0
0
2
0
0.4
Total taxa by sample
344
82
268
344
125
Total abundance = 1,163
Total taxa present = 23
1-43

Shannon -Wiener diversitv = 2.14
1-43