Ives Island Chum SpawningRedd Surveys and Dewatered Redds

Ives Island Spawning AreasIves Island Spawning Areas

Ives Island Section 3Ives Island Section 3

Ives Island Section 3Ives Island Section 3

Ives Island Section 2Ives Island Section 2

Ives Island Section 2Ives Island Section 2

& Hamilton Cr& Hamilton Cr

Counting Redds and Counting Redds and FishFish

Measuring LengthMeasuring Length

Scale SampleScale Sample

Cutting TailCutting Tail

Partially Dewatered Partially Dewatered ReddsRedds

Dewatered Chum ReddDewatered Chum Redd

Dewatered Chum ReddDewatered Chum Redd

Dewatered Chinook Dewatered Chinook ReddRedd

Surveying Redd Surveying Redd ElevationsElevations

Redd Elevation Results

Chum Redd Elevations at Ives Islandfrom USFWS Digital Elevation Model

8.0

8.5

9.0

9.5

10.0

10.5

11.0

11.5

12.0

12.5

13.01 5 9

13

17

21

25

29

33

37

41

45

49

53

57

61

65

69

73

77

81

85

89

93

97

10

1

10

5

10

9

11

3

11

7

12

1

Ele

va

tio

n (

MS

L f

ee

t)

Area A (Section 3)

Area B (Section 2 lower)

Area C (Section 2 upper)

Hamilton SpringsHamilton Springs

Otolith SampleOtolith Sample