20080868 Ver 2_I-31 2015 Jacks Ponar Upstream Raw Data Table_20160708

Table 1-31. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Jacks
Creek upstream station in May 2015.
Species/taxon
Jacks Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
2
0
0
1
0
0.6
Polychaeta
Amphicteis floridus
30
10
28
12
4
16.8
Eteone heteropoda
0
1
2
0
0
0.6
Laeonereis culveri
4
2
0
2
2
2.0
Streblospio benedicti
2
0
0
0
0
0.4
Arthropoda
Insecta
Diptera
Bezzia/Palmonyia complex
4
1
0
1
0
1.2
Chironomus decorus
2
1
0
1
4
1.6
Dicrotendipes nervosus
0
1
2
0
6
1.8
Goeldichironomus devineyae
6
5
8
0
0
3.8
Tanypus neopunctipennis
0
12
4
0
0
3.2
Tanytarsus sp.
12
2
0
0
0
2.8
Malacostraca
Amphipoda
Apocorophium louisianum
0
0
0
0
2
0.4
Apocorophium sp.
8
1
0
0
10
3.8
Gammarus tigrinus
42
23
10
6
16
19.4
Isopoda
Cyathura polita
2
0
0
0
0
0.4
Mysida
Americamysis almyra
0
0
0
0
2
0.4
Ostracoda
Cyprideis littoralis
4
0
0
0
0
0.8
Mollusca
Gastropoda
Littoridinops sp.
40
8
0
0
2
10.0
Nematoda
Nematoda sp.
2
1
0
0
0
0.6
Total taxa by sample
160
68
54
23
48
Total abundance = 353
Total taxa present = 18
Shannon -Wiener diversity = 2.20
1-39