close

Вход

Забыли?

вход по аккаунту

?

Columbia River Salmon and Steelhead Returns

код для вставкиСкачать
Columbia River Salmon and
Steelhead Returns and 2007
Fisheries
TMT – November 28, 2007
Presented by Cindy LeFleur - WDFW
Returns to the Columbia River of
Upriver Spring Chinook
450
400
Numbers of Fish (Thousands)
350
300
250
200
150
100
50
0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Spring Chinook Fisheries
пЃ®
Sport
пЃ®
пЃ®
Commercial
пЃ®
пЃ®
~83,000 angler trips and 6,500 Chinook
below Bonneville – 600 Chinook above
Bonneville
~2,700 Chinook – average $7.50/pound
Treaty
пЃ®
C&S Catch ~6,100 Chinook
Returns to the Columbia River of
Upper Columbia Summer Chinook
(Wenatchee/Okanogan)
100.0
90.0
Numbers of Fish (Thousands)
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Summer Chinook Fisheries
пЃ®
Sport
пЃ®
пЃ®
Commercial
пЃ®
пЃ®
~23,700 angler trips and 2,400 Chinook
below Bonneville – 60 Chinook above
Bonneville
~1,100 Chinook – average $2.90/pound
Treaty
пЃ®
4,600 Chinook (commercial)
Returns to the Columbia River of
Sockeye
250.0
Numbers of Fish (Thousands)
200.0
150.0
100.0
50.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Total Run
Year
Wild Run
20
07
20
06
20
05
20
04
20
03
20
02
20
01
20
00
19
99
19
98
19
97
19
96
19
95
19
94
19
93
19
92
19
91
19
90
19
89
19
88
19
87
19
86
Number of Fish (Thousands)
Bonneville Dam Counts of Summer Steelhead
700.0
600.0
500.0
400.0
300.0
200.0
100.0
0.0
Returns to the Columbia River of
Upriver Fall Chinook
700.0
Numbers of Fish (Thousands)
600.0
500.0
400.0
300.0
200.0
100.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Returns to the Columbia River of
Bonneville Pool Hatchery Fall Chinook
(Spring Creek Hatchery)
200.0
180.0
Numbers of Fish (Thousands)
160.0
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Returns to the Columbia River of
Upriver Bright Fall Chinook
(Hanford/Snake River)
450.0
Numbers of Fish (Thousands)
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Fall Chinook Fisheries
пЃ®
Sport
пЃ®
пЃ®
пЃ®
Commercial
пЃ®
пЃ®
~13,400 Chinook and 8,300 coho
~4,700 steelhead
~11,900 Chinook and 30,200 coho
Treaty
пЃ®
~35,000 Chinook and 16,000 steelhead
Chum Returns
Grays River
System
Year
Ives Island
Year
Peak Live
Count
Peak Count
2003
8,114
2003
296
2004
10,932
2004
110
2005
3,032
2005
63
2006
4,498
2006
127
2007
1,400 *
2007
58 *
* Thru Nov. 13. Peak
count likely not
occurred yet.
* Thru Nov. 21. Peak
count may not have
occurred yet.
Bonneville Dam Counts of
Spring Chinook Jacks
30.0
Numbers of Fish (Thousands)
25.0
20.0
15.0
10.0
5.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
30.0
Bonneville Dam Counts
Spring Chinook Jacks versus
Adult Counts the Next Year
450.0
400.0
25.0
20.0
300.0
250.0
15.0
200.0
10.0
150.0
100.0
5.0
50.0
0.0
0.0
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006
Year
Jacks
Adults
Number of Adults
(Thousands)
Number of Jacks
(Thousands)
350.0
Bonneville Dam Counts of
Summer Chinook Jacks
14.0
Numbers of Fish (Thousands)
12.0
10.0
8.0
6.0
4.0
2.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Bonneville Dam Counts of
"Bright" Fall Chinook Jacks
200.0
180.0
Numbers of Fish (Thousands)
160.0
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Bonneville Dam Counts of
"Tule" Fall Chinook Jacks
14.0
Numbers of Fish (Thousands)
12.0
10.0
8.0
6.0
4.0
2.0
0.0
1980
1982
1984
1986
1988
1990
1992
1994
Year
1996
1998
2000
2002
2004
2006
Документ
Категория
Презентации
Просмотров
5
Размер файла
138 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа