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| 2000 Spawning
Ground Surveys |
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| River Section: Below Bonneville
Dam |
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chum |
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| Date |
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Lives |
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Redds |
Deads |
GSI samples |
Comments |
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Adults |
Jacks |
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| 19-Sep |
chf: |
0 |
0 |
0 |
0 |
0 |
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| 26-Sep |
chf: |
0 |
0 |
0 |
3 |
0 |
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Carcasses found along bank of main channel: all
upriver bright stock |
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one cwt: Klickitat R. 95 |
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| 3-Oct |
chf: |
0 |
0 |
0 |
0 |
0 |
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River turbidity high. |
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| 10-Oct |
chf: |
0 |
0 |
0 |
0 |
0 |
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| 16-Oct |
chf: |
5 |
0 |
3 |
0 |
0 |
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Brights spawning in Ives/Pierce channel break. |
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We
assume that no tule chinook showed this year. |
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| 20-Oct |
chf: |
8 |
0 |
8 |
1 |
0 |
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More activity in channel break and mainstem
along side Pierce Is. |
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| 23-Oct |
chf: |
24 |
1 |
25 |
0 |
0 |
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Two redds dewatered. 2 starts observed below the mouth of Hamilton Creek. |
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Most redds are in channel break; 6 marked in
main channel along Pierce Is. |
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| 27-Oct |
chf: |
17 |
2 |
35 |
0 |
0 |
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20
redds in channel break, 15 along Pierce island in the main channel |
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| 30-Oct |
chf: |
94 |
10 |
90 |
1 |
0 |
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No
spawning below Hamilton Creek.
Channel break: 78 lives, 7 jacks, 66 redds; |
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chum: |
0 |
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Main Channel: 15 lives, 3 jacks, 24 redds |
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5 oversize sturgeon observed in spawning area |
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| 3-Nov |
chf: |
144 |
6 |
169 |
7 |
0 |
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Brights
are now spawning behind Ives Island, just below Hamilton Creek, (5 redds and
17 lives). |
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chum: |
0 |
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5 new redds observed towards the Washington
shore. |
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| 6-Nov |
chf: |
245 |
6 |
166 |
14 |
0 |
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18 Live chum, 15 chum redds observed below mouth
to Hamilton Creek |
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chum: |
18 |
0 |
15 |
0 |
0 |
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| 8-Nov |
chf: |
no count |
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Chum
observations: spawning all below Hamilton Creek. |
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chum: |
24 |
0 |
14 |
0 |
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| 9-Nov |
chf: |
215 |
10 |
225 |
23 |
0 |
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Brights continue to spawn behind Ives island
where substrate has become available. |
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chum: |
42 |
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no count |
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20
more live chum, from yesterday, observed milling around south end of chum
spawnig area. |
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Upwelling
evident but flow over substrate is still restricted. |
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| 13-Nov |
chf: |
no count |
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High winds prevented us from making counts of
chinook in the mainstem. |
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chum: |
52 |
0 |
23 |
2 |
0 |
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Observations made for chum only. Spawning continues below Hamilton creek |
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| 14-Nov |
chf: |
101* |
0* |
28* |
44* |
0 |
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Observations made for chinook only. |
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chum: |
no count |
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*Live and redd count made behind Ives Island
only. |
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| 17-Nov |
chf: |
181 |
15 |
140 |
83 |
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chum: |
147 |
0 |
36 |
1 |
1 |
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| 20-Nov |
chf: |
52* |
6* |
46* |
66* |
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Carcasses sampled on November 21. |
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chum: |
140 |
0 |
48 |
27 |
27 |
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*Live and redd counts made behind Ives Island
only. |
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| 22-Nov |
chf: |
77 |
5 |
200 |
0 |
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| 27-Nov |
chf: |
43 |
0 |
114 |
81 |
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3 New chum redds behind Ives island. |
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chum |
56 |
0 |
55 |
29 |
23 |
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| 1-Dec |
chf: |
22 |
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- |
40 |
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Chum actively spawing below Hamilton creek
throughout the channel. 27 new redds
marked with GPS |
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chum |
215 |
0 |
95 |
34 |
17 |
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3 New chum redds observed in the Ives-Pierce
channel break. |
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| 4-Dec |
chf: |
12 |
0 |
* |
18 |
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Chum remain actively spawning; 2 more new chum
redds observed in Ives-Pierce channel split |
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chum |
189 |
0 |
77 |
24 |
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*6 new chinook redds. |
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| 8-Dec |
chf: |
3 |
0 |
- |
24 |
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chum |
113 |
54 |
- |
43 |
30 |
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6 new chum redds in area downstream from gauge
two |
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| 12-Dec |
chf: |
6 |
0 |
- |
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chum |
61 |
0 |
- |
12 |
0 |
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no new chum redds, spawning continues in over
same areas; increased turbidity, siltation, and surface chop prevented total redd counts |
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| 15-Dec |
chf: |
0 |
0 |
- |
6 |
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High winds and
increased turbidity impacted counts. |
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chum |
10 |
0 |
- |
0 |
0 |
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Flows were at the highest observed this season,
no new chum redds observed in newly flooded habitat. |
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| 18-Dec |
chf: |
1 |
0 |
- |
3 |
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Most of live chum look to be new arrivals to
the area, ie. They have not been actively spawning. 4 new redds marked with GPS |
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chum: |
47 |
0 |
4 |
12 |
7 |
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