20080868 Ver 2_I-49 2014 Little Ponar Downstream Raw Data Table_20150717

Table 1 -49. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the Little
Creek downstream station in May of 2014.
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Little C�eek Downstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
1
1
3
0
0
1.0
Polychaeta
Amphicteis floridus
30
13
29
16
10
19.6
Eteone heteropda
6
2
0
0
1
1.8
Laeonereis culveri
1
1
0
0
0
0.4
Marenzellaria vindis
0
1
0
0
0
0.2
Mediomastus ambiseta
29
8
22
12
13
16.8
Polydora cornuta
3
0
2
1
0
1.2
Streblospio benedicti
33
8
41
22
12
23.2
Arthropoda
Insecta
Diptera
Bezzia/Palmonyia complex
0
0
1
0
1
0.4
Chironomus decorus
94
52
100
82
100
85.6
Parachironomus sp.
0
0
0
2
0
0.4
Tanypus neopunctipennis
4
5
0
8
14
6.2
Malacostraca
Amphipoda
Apocorophium louisianum
1
0
0
1
0
0.4
Apocorophium sp.
3
0
2
1
0
1.2
Gammarus mucronatus
4
0
0
3
0
1.4
Gammarus tigrinus
6
0
4
4
0
2.8
Ostracoda
Cyprideis littoralis
1
0
2
3
2
1.6
Mollusca
Bivalvia
Macoma balthica
4
3
4
3
5
3.8
Macoma tenta
13
1
5
12
15
9.2
Gastropoda
Littoridinops tenuipes
0
0
0
3
0
0.6
Total taxa by sample
233
95
215
173
173
Total abundance = 889
Total taxa present = 19
Shannon - Wiener diversity = 1.81
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