20080868 Ver 2_I-55 2017 Tooley Ponar Upstream Raw Data Table_20180629

Table 1-55. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Tooley
Creek upstream station in May 2017.
Species/taxon
Toole Creek Upstream Samples
1
2
3
4
5
Average
Annelida
Oligochaeta
Naididae sp. w/o hair
1
0
0
0
0
0.2
Polychaeta
Amphiceis floridus
0
3
0
0
0
0.6
Eteone heteropoda
2
1
0
1
1
1.0
Marenzellaria viridis
6
6
14
12
10
9.6
Streblospio benedicti
7
0
1
1
0
1.8
Arthropoda
Insecta
Diptera
Bezzia/Palmonyia complex
0
1
1
0
0
0.4
Chironomus decorus
8
1
6
6
6
5.4
Tanypus neopunctipennis
0
0
0
2
1
0.6
Tanytarsus sp.
1
1
1
3
0
1.2
Malacostraca
Amphipoda
Apocorophium lacustre
1
1
0
0
0
0.4
Apocorophium sp.
2
6
1
0
0
1.8
Gammarus tigrinus
11
9
17
1
3
8.2
Isopoda
Edotia montosa
0
0
0
2
1
0.6
Mysida
Americamysis almyra
1
0
0
4
1
1.2
Ostracoda
Candonidae sp.
0
0
0
3
0
0.6
Cyprideis littoralis
4
1
0
4
3
2.4
Mollusca
Bivalvia
Macoma balthica
1
0
1
1
2
1.0
Rangia cuneata
0
0
3
2
1
1.2
Gastropoda
Littoridinops sp.
32
2
8
9
4
11.0
Nematoda
Nematoda sp.
2
0
1
0
3
1.2
Total taxa by sample
79
32
54
51
36
Total abundance = 252
Total taxa present = 19
Shannon -Wiener diversitv = 2.39
1-61