20080868 Ver 2_I-43 2014 Drinkwater Ponar Upstream Raw Data Table_20150717

Table 1 -43. Numbers of benthic macroinvertebrates collected in each ponar grab sample at the
Drinkwater Creek upstream station in May 2014.
1 -49
Drinkwater Creek Upstream Samples
Species /taxon
1
2
3
4
5
Average
Annelida
Oligochaeta
Tubificidae sp. w/o hair
15
24
12
12
6
13.8
Polychaeta
Amphicteis floridus
15
6
0
63
12
19.2
Laeonereis culveri
3
6
3
3
6
4.2
Streblospio benedicti
0
0
0
0
3
0.6
Arthropoda
Insecta
Diptera
Bezzia/Palpomyia complex
0
6
6
6
3
4.2
Chironomus decorus
90
66
39
100
63
71.6
Cricotopus sp.
3
9
0
0
15
5.4
Dicrotendipes nervosus
0
0
0
6
0
1.2
Goeldichironomus devineyae
3
6
15
27
3
10.8
Parachironomus sp.
6
0
39
0
3
9.6
Tanypus neopunctipennis
0
3
0
0
0
0.6
Tanytarsus sp.
3
0
0
12
12
5.4
Malacostraca
Amphipoda
Apocorophium sp.
9
3
12
6
0
6.0
Gammarus mucronatus
21
9
6
3
3
8.4
Gammarus tigrinus
18
0
21
0
24
12.6
Isopoda
Cassidinidea lunifrons
3
0
0
0
0
0.6
Tanaidacea
Hargeria rapax
3
0
0
0
0
0.6
Maxillopoda
Sessilia
Balanus sp.
0
0
0
0
3
0.6
Ostracoda
Candonidae sp.
0
9
0
6
12
5.4
Cyprideis littoralis
0
3
0
0
0
0.6
Mollusca
Bivalvia
Mytilopsis leucophaeata
0
0
6
0
0
1.2
Gastropoda
Littoridinops tenuipes
27
12
15
6
0
12.0
Total taxa by sample
219
162
174
250
168
Total abundance = 973
Total taxa present = 22
Shannon - Wiener diversity = 2.32
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