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

Summary of Capture Data: Moutain Gulch (9/26/96)

Air temp - 8.5C
Water temp - 6C

Data for first 30 meter reach

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

Tailed Frogs - Adults

Number(recap) Stage Sex Length (mm) Weight (g)
1 - R A M 30 5.0
2 A M 34 6.0
3 A M 29 5.0
4 A M 28 4.0

Tailed Frogs - tadpoles

# Length (mm) # Length (mm)
1 54 14 45
2 50 15 45
3 49 16 44
4 49 17 44
5 49 18 44
6 48 19 43
7 47 20 43
8 47 21 43
9 46 22 42
10 46 23 42
11 46 24 42
12 45 25 39
13 45 26 18

Idaho Giant Salamanders - First 30-meter reach

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 105 54 8
2 - R L 127 76 13
3 - R L 165 93 28

Data for second 30 meter reach

Average width for 30 m reach = 2.1 m
Average midstream depth = 14 cm

Tailed Frogs - Adults

Number(recap) Stage Sex Length (mm) Weight (g)
1 A M 30 3.6

Tailed Frogs - tadpoles

# Length (mm) # Length (mm)
1 50 14 45
2 35 15 36
3 41 16 .
4 43 17 .
5 53 18 .
6 39 19 .
7 44 20 .
8 43 21 .
9 52 22 .
10 41 23 .
11 38 24 .
12 42 25 .
13 41 26 .

Idaho Giant Salamanders - Second 30-meter reach

Number (recap) Stage Total length (mm) Snout-vent length (mm) Weight (g)
1 L 107 61 7

First 5-meter reach

mean width of 1.2 m

Tailed Frogs - (no adults captured)

Tailed Frogs - tadpoles

# Length (mm)
1 44
2 39
3 35

(no giant salamanders in first 5-meter reach)

2nd 5-m reach

2.1 meters wide

Tailed frogs - no adults captured

Tailed frogs - tadpoles

# Length (mm)
1 52
2 52
3 48
4 43
5 40
6 20

(no giant salamanders in second 5-meter reach)

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Revised: 10 June 1998