U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

NOAA-NWFSC Tech Memo-24: Status Review of Coho Salmon
Appendix Table C-2. Smolt sizes of selected coho salmon populations in Alaska (AK), British Columbia (BC), Washington (WA), Oregon (OR), and California (CA). All measurements are fork length (mm) from fish reported as smolts.
River
(Tributary or location)
State/
province
Smolt
size range
Mean
smolt size
Year(s)
covered
Source
Taku AK 25-129 93 1961 Meehan and Siniff (1962)
Karluk Lake AK -- 107-114 1956-68 Drucker (1972)
Keogh (Vancouver Is.) BC 85-130 104 1980-87 Irvine and Ward (1989)
Black Cr. (Vancouver Is.) BC 78-172 110 1985-87 Labelle (1990)
Trent (Vancouver Is.) BC 67-155 95 1985-87 Labelle (1990)
Big Qualicum (Vancouver Is.) BC -- 98 1964-73 Fraser et al. (1983)
French Cr. (Vancouver Is.) BC 68-168 93 1986-87 Labelle (1990)
Cowichan (Vancouver Is.) BC 46-180 92 1975-76 Argue et al. (1979)
-- 101 1987-90 Bams (1993)
Carnation Cr. (Vancouver Is.) BC 45-120 741971-83 Holtby and Healey (1986)
Squamish BC -- 73-100 1973-75 Argue and Armstrong (1977)
Fraser (Sweltzer) BC -- 110-120 1937 Foerster and Ricker (1953)
Fraser (Salmon R.) BC -- 95 1978-80 Schubert (1982b)
Stillaguamish WA 45-182 97 1981-82 Seiler et al. (1984)
-- 88-118 1988-89 Kirby et al. (1988,1990)
Snohomish (Little Pilchuck Cr.) WA 62-212 107 1977-87 Lenzi (1983, 1985, 1987)
Snohomish (Griffin Cr.) WA -- 91 1979-81 Blankenship et al. (1983)
Snohomish (Harris Cr.) WA 69-289 105 1979-87 Blankenship et al. (1983), Lenzi (1985, 1987)
Snohomish (S. F. Skykomish) WA 48-148 89 1978-82 Seiler et al. (1981, 1984)
Snohomish WA -- 100 1978-82 Seiler et al. (1981, 1984)
Sammamish (Little Bear Cr.) WA -- 93 1976-78 Blankenship and Tivel (1980)
Sammamish (North) WA -- 96 1976-77 Blankenship and Tivel (1980)
Green WA -- 96-124 1991-92 Dilley and Wunderlich (1992, 1993)
Wild Cat Cr. (Puget Sound) WA 70-202 101 1979-87 Lenzi (1983, 1985, 1987)
Lost Cr. (Puget Sound) WA 70-186 98 1979-87 Lenzi (1983, 1985, 1987)
Minter Cr. (Puget Sound) WA -- 95 1953 Salo and Bayliff (1958)
Mill Cr. (Puget Sound) WA -- 115 1976-87 Blankenship and Tivel (1980), Lenzi (1983, 1985, 1987)
Skookum Cr. (Puget Sound) WA -- 110 1976-77 Blankenship and Tivel (1980)
Goldsborough Cr. (Puget Sound) WA -- 113 1976-77 Blankenship and Tivel (1980)
Deschutes WA 81-200 115 1977-82 Seiler et al. (1981, 1984)
Union (Hood Canal) WA -- 102 1979-81 Blankenship et al. (1983)
Bear Cr. (Union R.) WA 70-171 96 1978-87, 1992 Lenzi (1983, 1985, 1987), Lestelle et al. (1993)
Courtney Cr. (Union R.) WA 68-186 94 1976-87, 1992 Blankenship and Tivel (1980), Lenzi (1983, 1985, 1987) Lestelle et al. (1993)
Mission R. (Hood Canal) WA 70-242 98 1978-87, 1992 Lenzi (1983, 1985, 1987), Blankenship et al. (1983), Lestelle et al. (1993)
Tahuya R. (Hood Canal) WA -- 99 1980-81 Blankenship et al. (1983)
Little Tahuya R. (Hood Canal) WA 62-251 106 1978-87, 1992 Lenzi (1983, 1985, 1987), Lestelle et al. (1993)
Skokomish WA 61-142 100 1986-89 Lestelle and Weller (1994)
Big Beef Cr. (Hood Canal) WA 55-247 109 1976-82 Blankenship and Tivel (1980), Seiler et al. (1981, 1984)
Snow Cr. (Discovery Bay) WA 60-170 107 1978-90 Johnson and Cooper (1993)
Hoko R. (Strait of Juan de Fuca) WA 69-140 106 1986-89 Lestelle and Weller (1994)
Dickey WA -- 114 1992-93 Haymes and Tierney (1993)
Queets (Clearwater) WA 76-188 124 1981-82 Seiler et al. (1984)
Humptulips WA 82-137
95-120 -- 1987-88 Schroder and Fresh (1992)
Chehalis WA 92-138 -- 1973-84 Brix (1981), Linth and Hooper (1984)
106-135 -- 1987-88 Schroder and Fresh (1992)
Chehalis (Bingham Cr.) WA 78-182 112 1982 Seiler et al. (1984)
Chehalis (Satsop R.) WA 86-141 -- 1973-80 Brix (1981), Linth and Hooper (1984)
-- 115 1984-85 King and Young (1986a, b)
Chehalis (Wynochee R.) WA -- 130 1973-75 Dunn (1978)
80-143 -- 1973-80 Brix (1981), Linth and Hooper (1984)
Grays Harbor WA 108-151 -- 1981-84 Linth and Hooper (1984)
Columbia (Lewis R.) WA 100-140 121 1985-87 Pettit (1993)

River
(Tributary or location)
State/
province
Smolt
size range
Mean
smolt size
Year(s)
covered
Source

Columbia (Sandy R./Cedar Cr.) OR 70-120 99 1962-63 Niska and Willis (1963)
Columbia (Clackamas R. late) OR 70-5 117 1965-92 Cramer and Cramer (1994)
Columbia (Gnat Cr.) OR 51-175 115 1954-59 Willis (1962)
Columbia (Big Cr.) OR 78-138 114 1962-63 Willis (1962)
Columbia (Klaskanine/Youngs) OR 83-143 114 1962-63 Niska and Willis (1963)
Wilson OR -- 100 1949-58 Skeesick (1970)
Tillamook (Sand Cr.) OR 41-184 105-110 1946-49 Sumner (1953)
Nestucca (East Cr.) OR -- 100a 1988-90 Rodgers et al. (1993)
-- 116b 1991-92 Rodgers et al. (1993)
Nestucca (Moon Cr.) OR -- 97-102 1988-92 Rodgers et al. (1993)
Yaquina OR 88-160 118 1980 Nicholas et al. (1982)
Alsea (Lobster Cr.) OR -- 86a 1988-91 Rodgers et al. (1993),
-- 91b 1992-93 Rodgers et al. (1993), H. Weeks (1994 App.), Johnson et al.(1993)
Alsea (E. F. Lobster Cr.) OR -- 82-83 1988-92 Rodgers et al. (1993)
Alsea (Drift Cr.) OR -- 80-90 1959-62 Chapman (1965)
Alsea (Deer Cr.) OR -- 97 1960-73 Knight (1979)
Alsea (Flynn Cr.) OR -- 95 1960-73 Knight (1979)
Alsea (Needle Cr.) OR -- 93 1960-73 Knight (1979)
Siuslaw OR -- 100-107 1983 Rodgers et al. (1987)
Umpqua OR -- 100 1991B. Roper (1994 App.)
Tenmile Lake OR -- 152 1970-75 McGie (1970-73, 1975)
Sixes OR 88-150 120 1969 Reimers (1971)
Rogue OR -- 108-139 1975-81 Cramer et al. (1985)
Klamath CA 95-170 143 1989-91 Craig (1991, 1992), Goldsmith (1993),
Klamath (Blue Cr.) CA 91-124 104 1989-92 Stern and Noble (1990), Gilroy et al. (1992), Chan and Longenbaugh (1994)
Klamath (Turwar Cr.) CA 93-130 115 1989 Noble and Lintz (1989)
Trinity CA 106-188 147 1968 Healey (1973)
90-200 141 1989-91 Craig (1991, 1992), Goldsmith (1993)
Casper Cr. CA 83-95 92 1964, 1968 Graves and Burns (1970)
Redwood Cr. (Pt. Bolinas) CA 78-148 96 1967-68 Arnold (1971)
Lagunitas Cr. (Tomales Bay) CA 70-194 130 1983 Bratovich et al. (1984)
Lagunitas Cr. (Nacascio) CA 101-140 121 1964 Quinn and Allen (1969a)
Waddell Cr. CA 100-120 110 1933-41 Shapovalov and Taft (1954)
Scott Cr. CA 90-125 114 1933-41 Shapovalov and Taft (1954)

aPrior to habitat restoration.
bAfter habitat restoration.
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