WLF 448: Fish & Wildlife Population Ecology
Field Exercise #1, Fall 1996

Summary of Capture Data: Moutain Gulch (9/28/96)

Air temp - 18C
Water temp - 8C

Data for first 30 meter reach

Average width for 30 m reach = 1.4 m
Average midstream depth = 9cm

Tailed Frogs (no adults)

Tailed Frogs (tadpoles)

# Length (mm) # Length (mm) # Length (mm) # Length (mm) # Length (mm)
1 54 31 35 61 20 91 20 121 19
2 53 32 35 62 20 92 20 122 19
3 53 33 22 63 20 93 20 123 19
4 52 34 22 64 20 94 20 124 19
5 50 35 22 65 20 95 20 125 19
6 50 36 22 66 20 96 20 126 19
7 50 37 22 67 20 97 20 127 19
8 49 38 21 68 20 98 20 128 18
9 48 39 21 69 20 99 20 129 18
10 47 40 21 70 20 100 20 130 18
11 47 41 21 71 20 101 20 131 18
12 47 42 21 72 20 102 20 132 18
13 47 43 21 73 20 103 20 133 18
14 46 44 21 74 20 104 20 134 17
15 45 45 21 75 20 105 20 135 17
16 45 46 21 76 20 106 20 136 17
17 45 47 21 77 20 107 20 137 17
18 45 48 21 78 20 108 20 138 17
19 44 49 21 79 20 109 20 139 17
20 43 50 21 80 20 110 20 140 17
21 43 51 21 81 20 111 20 141 17
22 43 52 21 82 20 112 20 142 17
23 40 53 21 83 20 113 20 143 17
24 40 54 21 84 20 114 20 144 16
25 40 55 21 85 20 115 20 145 15
26 40 56 21 86 20 116 20 146 15
27 40 57 21 87 20 117 20 . .
28 40 58 21 88 20 118 19 . .
29 40 59 21 89 20 119 19 . .
30 40 60 21 90 20 120 19 . .

Idaho Giant Salamanders - First 30-meter reach

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 145 75 17.5
2 - R L 124 68 13
3 L 65 37 2

Data for second 30 meter reach

Average width for 30 m reach = 1.7 m

Tailed Frogs (adults)

Number(recap) Sex Length (mm) Weight (g)
1 M 35 8.0

Tailed frogs (tadpoles)

# Length (mm) # Length (mm)
1 54 31 40
2 54 32 39
3 53 33 39
4 52 34 39
5 52 35 38
6 52 36 37
7 50 37 37
8 46 38 35
9 46 39 .
10 46 40 .
11 44 41 .
12 44 42 .
13 44 43 .
14 44 44 .
15 44 45 .
16 43 46 .
17 43 47 .
18 43 48 .
19 43 49 .
20 43 50 .
21 42 51 .
22 42 52 .
23 42 53 .
24 41 54 .
25 41 55 .
26 41 56 .
27 41 57 .
28 41 58 .
29 40 59 .
30 40 60 .

Idaho Giant Salamanders - Second 30-meter reach

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 157 92 21.0
2 L 120 70 12.5
3-R L 110 62 8.5

First 5-meter reach

mean width of 1.1 m

Tailed Frogs (adults)

Number(recap) Sex Length (mm) Weight (g)
1 M 35 8.0

Tailed frogs (tadpoles)

# Length (mm) # Length (mm)
1 54 21 42
2 54 22 42
3 53 23 42
4 52 24 41
5 52 25 41
6 52 26 41
7 50 27 41
8 46 28 41
9 46 29 40
10 46 30 40
11 44 31 40
12 44 32 39
13 44 33 39
14 44 34 39
15 44 35 38
16 43 36 37
17 43 37 37
18 43 38 35
19 43 . .
20 43 . .

Idaho Giant Salamanders - First 5-meter reach

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 190 110 48
2 L 163 84 25
3 L 157 87 22
4 L 130 83 22
5 L 91 50 15

2nd 5-m reach 1.8 meters wide

Tailed frogs (no adults)

Tailed frogs (tadpoles)

# Length (mm) # Length (mm)
1 54 13 40
2 52 14 40
3 52 15 40
4 52 16 38
5 50 17 38
6 49 18 38
7 49 19 36
8 44 20 18
9 43 21 16
10 42 . .
11 42 . .
12 40 . .

Idaho giant salamanders (2nd 5-meter reach)

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 147 75 17
2 L 100 57 6
3 L 153 90 25

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Revised: 10 June 1998