20080868 Ver 2_I-35 2014 Jacobs Ponar Upstream Raw Data Table_20150717

Table 1 -35. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the
Jacobs Creek upstream station in May 2014.
1 -41
Jacobs Creek Upstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Oligochaeta
Nais sp.
0
0
0
3
0
0.6
Tubificidae sp. w/o hair
6
0
0
0
2
1.6
Arthropoda
Insecta
Diptera
Chironomus decorus
78
40
44
48
12
44.4
Cricotopus sp.
0
4
0
0
0
0.8
Goeldichironomus devineyae
0
0
0
15
0
3.0
Parachironomus sp.
6
4
8
9
28
11.0
Tanypus neopunctipennis
3
4
4
0
0
2.2
Tanytarsus sp.
9
8
0
3
0
4.0
Hemiptera
Corixidae sp.
0
0
4
0
0
0.8
Malacostraca
Amphipoda
Apocorophium sp.
3
0
4
3
0
2.0
Gammarus tigrinus
6
0
0
3
0
1.8
Ostracoda
Candonidae sp.
18
32
52
18
6
25.2
Mollusca
Bivalvia
Macoma tenta
0
0
4
0
2
1.2
Gastropoda
Littoridinops tenuipes
15
4
4
24
2
9.8
Nematoda
Nematoda sp.
9
0
8
0
0
3.4
Total taxa by sample
153
96
132
126
52
Total abundance = 559
Total taxa present = 15
Shannon - Wiener diversity = 1.89
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