BIOLOGIST REPORT

Cedar Run


Cedar Run in Lycoming and Tioga counties was surveyed by Fish and Boat Commission biologists to evaluate the fishery under Trophy Trout regulations.  Two historical sites are electrofished annually to document the fishery under a time-series basis.  The lower site is located approximately 500 yards below Mine Hole Run and proceeds upstream to Mine Hole Run.  Trout abundance estimates since 1997 are summarized below.

Mine Hole site - Brown Trout

 

1997

1998

1999

2000

Size (N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

02

2387

7.16

3839

7.68

2619

6.02

808

2.42

03

187

0.75

95

0.36

10

0.04

15

0.06

04

55

0.88

25

0.35

120

1.99

85

1.36

05

289

6.64

326

8.80

318

7.19

231

6.24

06

187

6.72

268

12.08

108

4.29

97

3.78

07

134

8.02

86

6.25

121

7.35

41

2.54

08

155

13.06

104

10.68

77

6.78

54

4.86

09

87

11.01

140

19.24

69

8.57

36

4.79

10

31

5.18

101

18.52

48

8.23

49

8.33

11

20

4.64

49

11.80

38

9.34

10

2.42

12

12

3.50

39

12.44

23

7.25

3

0.91

13

10

3.65

8

3.09

8

3.17

15

5.39

14

2

1.31

15

8.22

13

6.55

15

8.22

15

15

9.26

35

20.90

13

7.10

10

6.08

16

15

10.22

5

3.80

10

7.54

13

9.14

17

7

6.18

8

7.82

 

 

10

7.74

18

10

9.95

8

10.50

 

 

10

8.67

19

5

6.46

 

 

5

6.15

3

3.73

20

 

 

 

 

 

 

5

7.00

Total 3608

114.54

5151

162.55

3601

97.57

1510

93.68

Mine Hole site - Brook Trout

 

1997

1998

1999

2000

Size

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

02

10

0.03

474

0.95

775

1.94

146

0.44

03

27

0.13

871

3.48

139

0.66

110

0.44

04

2

0.03

3

0.05

22

0.34

3

0.04

05

32

0.82

10

0.32

107

2.61

33

0.83

06

10

0.41

5

0.26

31

1.14

21

0.90

07

15

0.91

31

2.11

23

1.68

21

1.22

08

15

1.26

18

1.75

17

1.73

8

0.70

09

2

0.33

3

0.33

13

1.44

 

 

10

 

 

 

 

 

 

5

0.90

Total 113

3.92

1415

9.25

1127

11.54

347

5.47

The upper site began just upstream of Fahenstock Run and proceeds upstream for approximately 480 yards to just above the next upstream bridge.  Trout abundance estimates since 1997 are summarized below:

Fahnestock site - Brown Trout

 

1997

1998

1999

2000

Size

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

02

2968

8.90

1678

3.36

2357

5.42

712

2.14

03

357

1.79

245

0.98

23

0.09

74

0.30

04

15

0.25

55

0.76

212

3.52

3

0.05

05

286

7.73

367

9.91

485

10.95

160

4.32

06

175

7.54

156

7.02

90

3.57

89

3.47

07

150

9.30

75

5.46

115

7.00

110

6.82

08

124

11.13

129

13.28

52

4.57

64

5.76

09

101

13.33

109

14.95

55

6.86

58

7.71

10

69

12.12

88

16.11

80

13.59

37

6.29

11

27

6.76

27

6.60

15

3.74

28

6.78

12

8

2.26

15

4.86

8

2.42

12

3.64

13

 

 

3

1.25

8

3.17

3

1.07

14

4

1.85

 

 

8

3.93

9

4.93

15

 

 

 

 

 

 

9

5.47

16

4

2.79

 

 

 

 

9

6.60

17

 

 

 

 

 

 

3

2.32

18

 

 

3

4.24

 

 

 

 

Totals 4288

85.75

2950

88.81

3507

68.84

1380

67.67

Fahnestock site - Brook Trout

 

1997

1998

1999

2000

Size

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

(N/ha)

(kg/ha)

02

4

0.01

27

0.06

180

0.45

9

0.03

03

 

 

15

0.06

12

0.05

12

0.05

04

 

 

6

0.11

23

0.37

 

 

05

4

0.10

3

0.10

31

0.75

6

0.15

06

28

1.44

 

 

6

0.26

 

 

07

23

1.55

9

0.61

 

 

3

0.17

08

4

0.33

3

0.30

 

 

15

1.32

09

8

0.99

6

0.80

 

 

 

 

Totals 71

4.42

69

2.02

253

1.91

51

1.98

Cedar Run continues to support an excellent wild trout population.  Slightly reduced biomass in 1999 and 2000 may be attributed to low water conditions from the summer and fall of 1999.  However, good numbers of legal trout continue to be found at both sites and young-of-year size trout are adequate to support this fine fishery.

-- Coldwater Unit

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