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DRAFT. 5-16-05. Goal = 990,000 (Final Restoration Plan). 1992-2003 Average = 511,462. 1967-1991 Average = 495,095. Estimated number of all races of adult Chinook. Delta outflow (cfs).

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1967-1991 Average = 495,095

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1967 1991 average 495 095

DRAFT

5-16-05

Goal = 990,000 (Final Restoration Plan)

1992-2003

Average

= 511,462

1967-1991

Average

= 495,095

Estimated number of all races of adult Chinook

Delta outflow (cfs)

Figure 1. Estimated yearly natural production of all races of adult Chinook Salmon in the Central Valley. 1952 - 1966 and

1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills

and Fisher (CDFG, 1994). Mean yearly Delta outflow (cfs) from IEP Dayflow.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 750,000

(Final Restoration Plan)

1992-2003

Average

= 472,880

Delta outflow (cfs)

Estimated number of adult of fall-run Chinook

1967-1991

Average

=374,638

Figure 2. Estimated yearly natural production of adult fall-run Chinook salmon in the Central Valley, and in river escapements. 1952 - 1966

and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994). Mean yearly Delta outflow (cfs) from IEP Dayflow.


1967 1991 average 495 095

DRAFT

5-16-05

Delta outflow (cfs)

Goal = 110,000

(Final Restoration

Plan)

Estimated number of adult winter-run Chinook

1967-1991

Average

= 55,060

1992-2003

Average

= 6,284

Data not available

Figure 3. Estimated yearly adult natural production, and in river adult escapements of winter-run Chinook salmon in the Central Valley.

1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967-1991) are from Mills and

Fisher (CDFG, 1994). Mean yearly Delta outflow (cfs) from IEP Dayflow.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 68,000

(Final Restoration

Plan)

Estimated number of adult late-fall Chinook

Delta outflow (cfs)

1967-1991

Average

= 34,764

1992-2003

Average

= 19,223

Data not available

Figure 4. Estimated yearly adult natural production, and in river adult escapements of late-fall-run Chinook salmon in the Central Valley.

1967 – 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991)are from Mills and

Fisher (CDFG, 1994). Mean yearly Delta outflow (cfs) from IEP Dayflow.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 68,000

(Final Restoration Plan)

Delta outflow (cfs)

Estimated number of adult spring-run Chinook

1967-1991

Average

= 34,706

1992-2003

Average

=15,762

Data not

available

Figure 5. Estimated yearly adult natural production, and in river adult escapements of spring-run Chinook salmon in the Central Valley.

1960 - 1966 and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are

from Mills and Fisher (CDFG, 1994). Mean yearly Delta outflow (cfs) from IEP Dayflow.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 230,000

(Final Restoration Plan)

1967-1991

Average

= 116,502

Estimated number of adult fall-run Chinook,

1992-2003

Average

= 73,973

Flow (cfs)

Hatchery escapement only, 1952 - 1955

Figure 6. Estimated yearly adult natural production, and in river adult escapements of Sacramento River fall-run Chinook salmon.

1952 - 1966 and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991)

are from Mills and Fisher (CDFG, 1994). Flow information (mean yearly cfs) is from USGS site 11377100 above Bend

Bridge. Mean yearly flow (cfs) information from USGS 11377100, Sacramento River above Bend Bridge.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 69,022 (Doubling the

1967 - 2001 mean calculated

in CHINOOKPROD)

Goal = 44,000

(Final Restoration

Plan)

1967-1991

Average

= 34,511

Flow (cfs)

Estimated number of adult late-fall-run Chinook

1992-2003

Average

= 18,686

Data not available

1996 = 107

1997 = 0

Figure 7. Estimated yearly adult natural production, and in river adult escapements of Sacramento River late-fall-run Chinook salmon.

1992 -2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994). Note that the doubling goal in the Final Restoration Plan is not double the 1967 - 2001arithmetic mean

as calculated in CHINOOKPROD. Mean yearly flow (cfs) information from USGS 11377100, Sacramento River above Bend Bridge.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 59,000

(Final Restoration Plan)

Flow (cfs)

Estimated number of adult spring-run Chinook

1967-1991

Average

= 29,649

Data not available

1992-2003 Average

= 583

Figure 8. Estimated yearly adult natural production, and in river adult escapements of Sacramento River spring-run Chinook salmon.

1992-2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11377100, Sacramento River above Bend Bridge.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 110,000

(Final Restoration

Plan)

Flow (cfs)

Estimated number of adult winter-run Chinook

1967-1991 Average

= 54,935

Data not available

1992-2003 Average

= 6,284

Figure 9. Estimated yearly adult natural production, and in river adult escapements of Sacramento River winter-run Chinook salmon.

1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11377100, Sacramento River above Bend Bridge.


1967 1991 average 495 095

DRAFT

5-16-05

Flow (cfs)

Estimated number of adult fall-run Chinook

1992-2003

Average

= 6,962

Goal = 7,100 (Final Restoration Plan)

1967-1991 Average = 3,835

Figure 10. Estimated yearly adult natural production, and in river adult escapements of Clear Creek fall-run Chinook salmon.

= data was not available for 1961, 1970-1975, 1979 and 1980. 1992 - 2003 numbers are from CDFG Grand Tab

(February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs)

information from USGS 11372000 Clear Creek near Igo.


1967 1991 average 495 095

DRAFT

5-16-05

Flow (cfs)

Estimated number of adult fall-run Chinook

Goal = 5,900

(Final Restoration

Plan)

1992-2003

Average

= 3,999

1967-1991

Average

= 2,995

Figure 11. Estimated yearly adult natural production, and in river adult escapements of Cottonwood Creek fall-run Chinook salmon.

= data was not available for 1952, 1970 - 1975, 1979 - 1980 and 1993 - 2003. 1952 - 1966 and 1992 - 2003 numbers are

from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994).

Mean yearly flow (cfs) information from USGS 11376000 Cottonwood Creek near Cottonwood.


1967 1991 average 495 095

DRAFT

5-16-05

Flow (cfs)

Estimated number of adult fall-run Chinook

Goal = 4,600

(Final Restoration Plan)

1967-1991 Average = 2,370

1992-2003

Average – data not available

Figure 12. Estimated yearly natural production, and in river escapements of Cow Creek adult fall-run Chinook salmon.

= data was not available for 1952, 1961, 1963, 1970 - 1975, 1977 - 1983, and 1992 - 2003. 1952 - 1966 numbers

are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994).

Flow information from USGS 11376550 Battle Creek below Coleman National Fish Hatchery. Mean yearly flow (cfs)

information from USGS 11374000 Cow Creek near Millville.


1967 1991 average 495 095

DRAFT

5-16-05

Coleman National Fish Hatchery on the creek.

Hatchery proportion = 0.9

The high adult escapement numbers

compared to production estimates

indicates a hatchery contribution

to the in-river numbers.

Estimated number of adult fall-run Chinook

Flow (cfs)

1992-2001

Average

= 23,278

Goal = 10,000 (Final Restoration Plan)

1967-1991 Average = 5,072

Figure 13. Estimated yearly natural production, and in river escapements of Battle Creek adult fall-run Chinook salmon. 1952 - 1966

and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills

and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11376550 Battle Creek below Coleman National

Fish Hatchery.


1967 1991 average 495 095

DRAFT

5-16-05

Coleman National Fish Hatchery on the

creek. Hatchery proportion = 0.9

The high adult escapement numbers

compared to production estimates

indicates a hatchery contribution

to the in-river numbers.

Estimated number of adult late-fall-run Chinook

Flow (cfs)

1992-2003

Average

= 644

Goal = 550 (Final

Restoration Plan)

1967-1991 Average = 275

Figure 14. Estimated yearly natural production calculated from hatchery returns (in river returns were not available), and hatchery

returns of Battle Creek adult late-fall-run Chinook salmon. 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004).

= data was not available for 1952-1968, 1978-1980, 1984 and 2001-2003. Baseline numbers (1967 - 1991) are from

Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11376550 Battle Creek below Coleman National

Fish Hatchery.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 330

(Final Restoration Plan)

Estimated number of adult fall-run Chinook

Flow (cfs)

1965-1991 Average = 167

1992-2003 Average

- data not available

Figure 15. Estimated yearly natural production, and in river escapements of Paynes Creek adult fall-run Chinook salmon.

= data was not available for 1952 - 1964, 1967 - 1968, 1970 - 1981, and 1905 - 2003. 1965-1966 numbers are from

CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean

yearly flow (cfs) information from USGS 11377500, Paynes Creek near Red Bluff.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

Goal = 720

(Final Restoration Plan)

1967-1991 Average = 364

1992-2003 Average

- data not available

Figure 16. Estimated yearly natural production, and in river escapements of Antelope Creek adult fall-run Chinook salmon.

= data was not available for 1952, 1959, 1961, 1978 - 1980, 1987,1990, 1991, and 1993 - 2003. 1952 - 1967 and

1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills

and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11379000 Antelope Creek near Red Bluff.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

1992-2003

Average

= 1,051

Goal = 1,500 (Final Restoration Plan)

1967-1991 Average = 769

Figure 17. Estimated yearly natural production, and in river escapements of Deer Creek adult fall-run Chinook salmon.

= data was not available for 1955, 1961, 1990 - 1992, 1995, 1996, and 1999 - 2003. 1952 - 1966 and 1992 - 2003

numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher

(CDFG, 1994). Mean yearly flow (cfs) information from USGS 11383500 Deer Creek near Vina.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult spring-run Chinook

Flow (cfs)

Goal = 6,500

(Final Restoration Plan)

1992-2003

Average

= 2,997

1967-1991

Average

= 3,298

Figure 18. Estimated yearly natural production, and in river escapements of Deer Creek adult spring-run Chinook salmon.

= data was not available for 1952 - 1962, 1965 - 1969, 1977, 1979, 1984, and 1988. 1952 - 1966, and 1992 - 2003

numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher

(CDFG, 1994). Mean yearly flow (cfs) information from USGS 11383500 Deer Creek near Vina.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

1992-2003

Average

= 2,716

Goal = 4,200

(Final Restoration Plan)

1967-1991 Average = 2,137

Figure 19. Estimated yearly natural production, and in river escapements of Mill Creek adult fall-run Chinook salmon.

= data was not available for 1990, 1995 - 1996, and 1999 - 2001. 1952 -1966 and 1992 – 2003 numbers are

from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 – 1991) are from Mills and Fisher (CDFG, 1994).

Mean yearly flow (cfs) information from USGS 11381500, Mill Creek near Los Molinos.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

Goal = 4,400

(Final

Restoration

Plan)

1967-1991

Average

= 2,220

1992-2003

Average

= 1,282

Figure 20. Estimated yearly natural production, and in river escapements of Mill Creek adult spring-run Chinook salmon.

= data was not available for 1952 - 1959, 1965 - 1969, 1976, 1979, and 1983. 1952 - 1966 and 1992 - 2003

numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher

(CDFG, 1994). Mean yearly flow (cfs) information from USGS 11381500, Mill Creek near Los Molinos.


1967 1991 average 495 095

DRAFT

5-16-05

Miscellaneous creeks above RBDD include Spring Gulch, China Gulch,

Olney, Ash, Stillwater, and Inks creeks (Mills and Fisher). Bear Creek

numbers are included in the Mills and Fisher numbers, but not sited as

one of the miscellaneous creeks.

Estimated number of adult fall-run Chinook

Goal = 1,100

(Final Restoration Plan)

1967-1991 Average = 553

1992-2003 Average

- data not available

Figure 21. Estimated yearly natural production of miscellaneous creeks adult fall-run Chinook salmon above RBDD.

= data was not available for 1952, 1961 - 1963, 1971 - 1975, and 1977 - 2003. 1952 - 2003 numbers are

from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994).


1967 1991 average 495 095

DRAFT

5-16-05

Miscellaneous creeks between RBDD and Princeton

Ferry include Salt, Craig, Dye, Toomes, Thomes,

Coyote, Stoney, and Singer Creek. These creeks are

not included in Mills and Fisher, but listed in

Grand Tab.

Estimated number of adult fall-run Chinook

Goal = not set (Final Restoration Plan)

1967 - 1991 Average = 498

1992-2003 Average

- Data not available

Figure 22. Estimated yearly natural production of miscellaneous creeks adult fall-run Chinook salmon below RBDD.

= data was not available for 1960-1968, 1970, 1978, 1979, and 1985 - 2003. 1952 - 1966 and 1992 - 2003

numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994).


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

1992-2003

Average

= 2,140

Goal = 1,500

(Final Restoration Plan)

1967-1991 Average = 779

Figure 23. Estimated yearly natural production, and in river escapements of Butte Creek adult fall-run Chinook salmon.

= data was not available for 1952 - 1964, 1966 - 1970, 1973, 1977, 1979 - 1982, 1984, 1986,1987, 1990 -1994,

and 2001. 1952 - 1966 and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers

(1967 – 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11390000

Butte Creek near Chico.


1967 1991 average 495 095

DRAFT

5-16-05

The Butte Creek is one of the tributaries where

restoration work has been conducted since 1996.

Estimated number of adult spring-run Chinook

Flow (cfs)

1992-2003

Average

= 11,266

Goal = 2,000 (Final Restoration Plan)

1967-1991 Average = 1,032

Figure 24. Estimated yearly natural production, and in river escapements of Butte Creek adult spring-run Chinook salmon.

1952- 1966 and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). = data was not available for

1952 - 1959, and 1991. Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs)

information from USGS 11390000 Butte Creek near Chico.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 800

(Final Restoration Plan)

Estimated number of adult fall-run Chinook

Flow (cfs)

1967-1991 Average = 242

1992-2003 Average

- data not available

Figure 25. Estimated yearly natural production, and in river escapements of Big Chico Creek adult fall-run Chinook salmon.

= data was not available for 1952 - 1956, 1958 - 1982, and 1986 - 2003. 1952 - 1967 and 1992 - 2003 numbers

are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994).

Mean yearly flow (cfs) information from USGS 11384000 Big Chico Creek near Chico.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = has not been set. Mills and Fisher did

not list this run; data was from Grand Tab only.

Estimated number of adult spring-run Chinook

Flow (cfs)

1992-2003

Average

= 161

1967-1991

Average = 144

Figure 26. Estimated yearly natural production, and in river escapements of Big Chico Creek adult spring-run Chinook salmon.

= data was not available for 1952 - 1961, 1970, 1972,1975 - 1976, 1978 - 1983, 1986 - 1992, and 2002.

1952 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Mean yearly flow (cfs) information from USGS

11384000 Big Chico Creek near Chico.


1967 1991 average 495 095

DRAFT

5-16-05

Feather River State Fish Hatchery on

the river. Hatchery proportion = 0.4

Goal = 170,000

(Final Restoration Plan)

1992-2003 Average

= 131,161

Estimated number of adult fall-run Chinook

Flow (cfs)

Hatchery escapement only

1967-1991

Average

= 84,318

Figure 27. Estimated yearly natural production, and in river escapements of Feather River adult fall-run Chinook salmon. In-river

escapements were not available for 1990 and 1998. 1952 - 1966 and 1992 - 2003 numbers are from CDFG Grand Tab

(February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs)

information from USGS 11407000, Feather River at Oroville.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 66,000

(Final Restoration

Plan)

Estimated number of adult fall-run Chinook

1992-2003

Average

= 44,087

Flow (cfs)

1967-1991

Average

= 33,541

Figure 28. Estimated yearly natural production, and in river escapements of Yuba River adult fall-run Chinook salmon. 1967-1991

baseline numbers are from Mills and Fisher (CDFG, 1994). 1952 - 1966 and 1992-2003 numbers are from CDFG Grand

Tab (February 5, 2004). = data was not available for 1952. Mean yearly flow (cfs) information from USGS

11421000, Yuba River at Marysville.


1967 1991 average 495 095

DRAFT

5-16-05

1967-1991 Average = 637

Goal = 450

(Final Restoration Plan)

Estimated number of adult fall-run Chinook

Flow (cfs)

  • 1992-2003

  • Average

  • data not

  • available

Figure 29. Estimated yearly natural production, and in river escapements of Bear River adult fall-run Chinook salmon.

= data was not available for 1952 - 1983, and 1985 - 2003. Numbers are from CDFG Grand Tab

(February 5, 2004). Mean yearly flow (cfs) information from USGS 11424000 Bear River near Wheatland.


1967 1991 average 495 095

DRAFT

5-16-05

Nimbus State Fish Hatchery on the river.

Hatchery proportion = 0.4

Goal = 160,000

(Final Restoration Plan)

Estimated number of adult fall-run Chinook

1967-1991

Average

=81,476

Flow (cfs)

1992-2003

Average

= 147,151

Figure 30. Estimated yearly natural production, and in river escapements of American River adult fall-run Chinook salmon. 1952 - 1966,

and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and

Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11446500, American River near Fair Oaks.


1967 1991 average 495 095

DRAFT

5-16-05

Mokelumne River State Fish Hatchery on the river.

Hatchery proportion = 0.4

Hatchery escapement only

Goal = 9,300

(Final Restoration

Plan)

Estimated number of adult fall-run Chinook

Flow (cfs)

1992-2003

Average

= 8,836

1967-1991

Average

= 4,700

Figure 31. Estimated yearly natural production, and in river escapements of Mokelumne River adult fall-run Chinook salmon. In river

escapement numbers were not available for 2001. 1952 – 1966 and 1992 - 2003 numbers are from CDFG Grand Tab

(February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs)

information from USGS 11325500 Mokelumne River at Woodbridge.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

1967-1991

Average

= 1,697

Goal = 3,300

(Final Restoration

Plan)

1992-2003

Average= 652

Figure 32. Estimated yearly natural production, and in river escapements of Cosumnes River adult fall-run Chinook salmon.

= data was not available for 1952, 1959, 1961, 1976-1977, 1982, 1986, 1987, 1989 - 1997, and 1999 - 2003.

1952-2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from

Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11335000, Cosumnes River at

Michigan Bar.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = 2,200

(Final Restoration Plan)

Estimated number of adult winter-run Chinook

Flow (cfs)

1967 -1991 Average = 780

1992-2003 Average

- data not available

Figure 33. Estimated yearly natural production of Calaveras River adult winter-run Chinook salmon. = data was not available

for 1952 - 1974, 1977, 1979 – 1983, and 1985 - 2003. 1952 - 2003 numbers are from CDFG Grand Tab (February 5, 2004).

Baseline numbers from Mills and Fisher (CDFG, 1994) were not available. Mean yearly flow (cfs) information from USGS

11308900 Calaveras River below New Hogan Dam.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

1967-1991 Average

= 10,977

Goal = 22,000

(Final Restoration

Plan)

1992-2003

Average

= 7,750

Figure 34. Estimated yearly natural production, and in river escapements of Stanislaus River adult fall-run Chinook salmon.

1952 – 1966, and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers

(1967 - 1991) are from Mills and Fisher (CDFG, 1994). = data was not available for 1982. Mean yearly

flow (cfs) information from USGS 11303000, Stanislaus River at Ripon.


1967 1991 average 495 095

DRAFT

5-16-05

Estimated number of adult fall-run Chinook

Flow (cfs)

Goal = 38,000

(Final

Restoration

Plan)

1967-1991

Average

= 19,044

1992-2003

Average

= 10,977

Figure 35. Estimated yearly natural production, and in river escapements of Tuolumne River adult fall-run Chinook salmon. 1952-1966,

and 1992-2003 numbers are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills

and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS 11290000, Tuolumne River at Modesto.


1967 1991 average 495 095

DRAFT

5-16-05

Merced River State Fish Hatchery on the river.

Hatchery proportion = 0.1

Estimated number of adult fall-run Chinook

Flow (cfs)

Goal = 18,000

(Final

Restoration

Plan)

1992-2003

Average

= 9,684

1967-1991

Average

= 9,052

Figure 36. Estimated yearly natural production, and in river escapements of Merced River adult fall-run Chinook salmon. 1952 - 1966,

and 1992 - 2003 numbers are from CDFG Grand Tab (February 5, 2004). = data was not available for 1952 - 1953, and

1955 - 1956. Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994). Mean yearly flow (cfs) information from USGS

11270900, Merced River below Mercer Falls Dam.


1967 1991 average 495 095

DRAFT

5-16-05

Goal = has not been set

Flow (cfs)

Estimated number of adult fall-run Chinook

1992 -2003

Average

= 28,410

1967 - 1991

Average

= 38,635

Figure 37. Estimated yearly natural production, and in river escapements of San Joaquin System adult fall-run Chinook salmon. The

San Joaquin System is the sum of the Stanislaus, Tuolumne, and Merced Rivers. 1952 - 1966, and 1992 - 2003 numbers

are from CDFG Grand Tab (February 5, 2004). Baseline numbers (1967 - 1991) are from Mills and Fisher (CDFG, 1994).

Mean yearly flow (cfs) information from USGS 11303500, San Joaquin River near Vernalis.


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