Raw Biological Data for the West Fork of GREAT RUN

 at Black Snake Lane (F-10)

Cycle

Avg. Width (ft)

Avg. Depth (in)

Flow Rate

Temp (°F)

Collection Time (sec)

Worms

Flatworms

Leeches

Crayfish

Sowbugs

Scuds

Stoneflies

Mayflies

Dragonflies Damselflies

Hellgrammites Fishflies Alderflies

Net-spinning Caddisflies

Most Caddisflies

Beetles

Midges

Black Flies

Most True Flies

Gilled Snails

Lunged Snails

Clams

Other

Total

Index Value

 Ecological Condition

Spring 01

10 to 12

12

high

53.5

20

13

0

3

0

0

0

5

95

5

17

29

3

74

0

0

1

0

0

12

0

257

12

 Acceptable

Summer 01

10

6

normal

73.5

20

1

0

0

1

0

0

5

12

1

5

110

58

75

2

0

0

0

0

10

0

280

9

 Acceptable

Fall 01

6

4

normal

53.5

20

2

1

0

0

0

1

2

13

0

9

50

52

83

13

0

1

0

0

0

0

227

10

 Acceptable

Winter 02

6

4

normal

41

20

2

2

0

1

0

1

83

46

0

4

68

44

12

10

9

1

0

0

1

0

284

10

 Acceptable

Spring 02

15

8

high

59

20

3

0

0

0

0

0

17

92

1

3

52

60

62

28

0

1

0

0

1

0

320

12

 Acceptable

Summer 02

3

1.5

low

68

20

1

1

0

1

0

0

6

111

8

4

56

34

49

1

1

2

0

0

3

0

278

11

 Acceptable

Fall 02

10

8

normal

48

40

6

1

0

0

10

14

36

19

0

20

34

4

24

6

0

15

0

0

124

0

313

8

 Acceptable
Spring 03 12 8 normal 56 20 6 0 0 0 0 0 68 4 0 0 1 0 69 47 0 11 0 0 0 0 206 12 Acceptable
Summer 03 15 8 normal 64.4 100 6 0 0 2 0 0 41 72 15 8 97 21 67 1 1 5 0 0 1 0 300 9 Acceptable
Fall 03 14 10 high 51 20 9 1 0 0 0 2 9 5 7 2 145 99 32 0 0 4 0 0 1 0 316 10 Acceptable

 

Cycle Avg. width (ft) Avg. Depth (in) Flow Rate Temp (°F) Collection Time (sec) Worms Flatworms Leeches Crayfish Sowbugs Scuds Stoneflies Mayflies Dragonflies Damselflies Hellgrammites Fishflies Alderflies Net-spinning Caddisflies Most Caddisflies Beetles Midges Black Flies Most True Flies Gilled Snails Lunged Snails Clams Other Total Index Value Ecological Condition
Winter 04 12 6 to 8 n/d 53.6 20 4 4 0 0 0 0 20 8 0 1 139 28 2 10 12 1 0 0 0 0 229 7 Acceptable
Summer 04 8 4 to 6 normal 71.6 90 2 0 0 0 0 0 1 37 4 15 51 11 31 0 0 3 0 0 0 0 155 10 Acceptable
Fall 04 20 8 normal 59.9 90 1 2 0 1 3 0 0 48 0 4 33 55 48 18 29 7 0 1 2 0 252 11 Acceptable
Winter 05 15 8 to 10 normal 44.6 30 0 0 0 0 0 0 33 36 0 1 36 56 10 47 6 0 0 0 0 0 225 11 Acceptable
Spring 05 25 8 to 12 normal 55.4 40 0 0 0 0 0 0 1 27 0 4 10 20 126 10 2 8 0 0 0 0 208 11 Acceptable
Summer 05 15 n/d normal 71.6 60 0 0 0 2 0 0 5 48 0 8 74 9 79 2 0 9 0 0 0 0 236 10 Acceptable
Fall 05 n/d n/d normal 63.5 60 2 0 0 0 0 0 10 73 1 8 28 36 114 4 0 7 1 1 0 0 285 11 Acceptable
Winter 06 15 n/d normal 43.7 30 2 0 0 0 0 0 46 5 0 6 59 96 56 8 0 3 0 0 0 0 281 11 Acceptable
Spring 06 n/d n/d normal 57.2 30 0 0 2 0 0 0 2 142 0 4 29 16 45 27 7 2 0 0 0 0 276 12 Acceptable
Summer 06 12 6 normal 66.2 30 0 6 0 1 0 0 2 6 0 2 87 14 74 12 0 9 0 0 0 0 213 8 Acceptable
Fall 06 n/d n/d normal 60.8 60 7 0 1 0 0 0 2 12 2 19 50 2 161 3 2 6 0 0 1 0 268 10 Acceptable
Winter 07 n/d n/d normal 41 120 4 0 0 0 0 0 63 20 0 1 19 9 54 9 7 3 0 0 0 0 189 12 Acceptable
Spring 07 15 6 normal 45.5 50 0 0 0 2 0 0 3 99 4 3 17 2 94 24 0 7 0 0 0 0 255 12 Acceptable
Summer 07 n/d n/d low 66.2 120 0 0 0 11 0 0 0 43 5 2 2 4 55 12 0 1 0 2 0 9 146 9 Acceptable
Winter 08 6 3 to 4 low 37.4 20 0 0 0 0 0 0 129 0 0 0 0 0 30 5 0 4 0 2 0 0 170 11 Acceptable
Spring 08 15 n/d high 47.3 30 1 0 4 0 0 0 88 3 0 2 0 9 126 8 11 1 3 0 2 0 258 12 Acceptable
Summer 08 12 4 to 6 normal 68 20 4 0 1 0 0 0 1 30 1 39 74 0 54 4 1 6 1 0 0 0 216 9 Acceptable
Return to F-10        n/d = No data