20080868 Ver 2_I-67 2015 Porter Ponar Upstream Raw Data Table_20160708

Table 1-67. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Porter
Creek upstream station in May 2015.
Species/taxon
Porter Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
0
0
2
4
0
1.2
Polychaeta
Amphicteis floridus
100
100
100
100
84
96.8
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
2
2
2
0
1.2
Cladopelma sp.
0
2
10
2
1
3.0
Dicrotendipes nervosus
0
6
0
0
0
1.2
Psectrocladius sp.
0
0
0
4
0
0.8
Tanypus neopunctipennis
0
4
6
2
1
2.6
Tanytarsus sp.
0
0
0
2
0
0.4
Odonata
Libellulidae sp.
0
2
4
0
0
1.2
Malacostraca
Amphipoda
Apocorophium lacustre
0
4
0
6
1
2.2
Apocorophium louisianum
0
2
0
0
0
0.4
Apocorophium sp.
3
12
6
20
0
8.2
Gammarus tigrinus
3
24
22
100
28
35.4
Isopoda
Cassidinidea lunifrons
0
0
0
2
0
0.4
Cyathura polita
0
0
0
6
0
1.2
Ostracoda
Cyprideis littoralis
0
6
0
0
0
1.2
Mollusca
Bivalvia
Mytilopsis leucophaeata
0
28
0
0
1
5.8
Gastropoda
Littoridinops sp.
0
6
2
4
1
2.6
Nematoda
Nematoda sp.
6
0
0
10
2
3.6
Total taxa by sample
1 112
1 198
1 154
1 264
1 119
Total abundance = 847
Total taxa present = 18
Shannon -Wiener diversity = 1.53
1-75