Slurtio( $
UT
AFN
J'
o
.LI*EftD
MAMGEMENT
OF
THETROLL
TROLLSALMON
MANAGEMENT
OF THE
SALMNFISHERY
FISHERY
e
Annual
ConpletionReport
Annual and
and Completion
Report
e
0ctober 1,
1, 1977
1977to
Septerber30,
October
to September
30, 1978
tglg
LAT
nBFrpiiY
5C!EWCE CE
3Q STATE UNVR
tHlii,*S;iTE'uR'^m
97365
IiEWPORT,
OREGON 97385
t*EurPOi{T,OT"IEGON
o
0
StephenL.
L. Lewis,
Lewls, Robert
RobertK.
K. NcQueen
Stephen
and
I'tcQueen
and Malcoin
w,blcolnH.
H. Zirges
Zirges
o
o
0regonDepartment
Departnnntof
of Fish
Flsh and
Oregon
andWildlife
Wildlife
Fisheries
Fisheries Division
Division
c
a
o
fl
National Marine
${arlneFisheries
FisheriesService
National
Service
National
National 0ceanic
Oceanic and
and Atrnspheric
Atmospheric Adrninlstratlon
Administration
Unlted
Departrentof
United States
States Department
of Commerce
Commrce
Anadromous
Fisheries Act
Act
Anadromous
Fisheries
Project
Nurber: AFC-75,
AFC-75,Segment
Segmnt2Z
!rcject Number:
ContractNumber:
Contract
$lumber:04-6-208-44039
04-6-208-44039
o
r;,
c0NTEf{TS
CONTEiiTS
P?q,e
Page
o
Il'lTR0DUCTIOlil
fl'4TROPUCTIOU
. . .
. . . . . . . . . . . . . .r .I .r . . . . . . . . ... . . .
....... .
T h g 1l97lTroll
9 7 7 T r p l lSalmon
S a l m o n Season...
Sgason..t.........
The
l atl
Regulations
. . . . . .
a
aaaaaa
Catch Statistics
aaraaal
1SS
.t . ... . .. .
.....
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aoaa
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Extended Troll Season
C
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a a a a.a t a .a a a .
a a a a. a t a.t a a a. a a
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4
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5
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5
5
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Tio1l Salmon 14arkSartplin
. . . .
Averaoe iJelahtData . . . . . . . . . . . . . . . .
S
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C H I i \ 0 0I4ATURITY
IKt A T U R ISTUDY
TSYT U D.Y '. . . . . . , .
CHINOOK
. . . . . . .,
R E P 0 R T.S. . . . ..
.
PORTS.
.
.
.
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.
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t
ala
.
1977Troll Chinook Age Conosition
& i - O - n. . ... . .
11
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.
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14
14
.
ai
ir'
TABLES
TABLES
Table
Table
o
o
3
1
1
0regonTroll
Troll Chinook
Oregon
ChinookCatch
Statistics for
for 1977
Area and
CatchStatistics
by Area
andMonth
lbnth
1977by
2
2
OregonTroll
CohoCatch
Oregon
Trcll Coho
by Area
Area and
CatchStatistics
Statistics for
for 1977
$lonth
t977 by
andMonth
3
3
itlwber
1umber of
of Individual
Salmon Landings
Landings in
Oregon for
Individual Salmon
in 0regon
for 1977
Area
1977by
by Area
a n d nmonth
pnth
and
.. . ...
.
.
.
. . .
.
. o
o
..
.
.
. . . .. .
.
.
.
.
r.....
. r..
I
. .
.
2
2
. , .
2
2
.
.
.
0rcgonTroll
Oregon
Troll Chinook
Chmook Mark
$larkSampling,
Sarpling, 1977
lg77 ..
5
5
O
r e g oTroll
n T r o lCoho
l oho
Oregon
Mark
C
M a rSampling,
* s a n p l i n1977.
g,1977.,......
6
6
Surunary
Summary
of
of Chinook
ChinookMarks
FlarksRecovered
Recovered
from
from the
Fishery,
Troll Fishery,
OregonTroll
the Oregon
.
1 9 7 7 . ... . e.r . r.. . ... . r.. .
1977
8
I
9
9
.
.
.
.
.
.
.
.
.
.
.
.
. . . .,
.
.
.
.
.
.
.
4
r . .S
4
4
7
7
a
PaS
Page
7
.
.
. . . . . . . .
.
.
.
.
.
7
.
.
.
' o..,.
.
.
.
r.
.
8
I
. . . ..o . .r . . .. . r .. f . .
.
.
.
.
.
.
.
.
.
9
I
.
Surmaryof
of Coho
CohoMarks
Summary
from
Troll Fishery,
l'larksRecovered
Recovered
from the
Fishery,
0regonTrcll
the Oregon
L 9 7 7 . ' .r r . . . .r .t . . ... . i.. . . . . . .| .! . . .. r . ..r r . . . . . . .I .t . . .. . . r. .
1977
.
.
12
12
.
.
13
13
0bserved
Welghtand
Observed Average
Average Dressed
and Calculated
Nurbersof
of Troll
Troll
0ressedWeight
CalculatedNumbers
Cohobyf4onthandArea,1977...................
C o h o b y t ' l o n t h a n d A r et a9 ,7 7 . , .
o..
i..
r. o.......
14
14
.
0bservedAverage
AverageDressed
Troll
Observed
DressedWeight
tteight and
andCalculated
CalculatedNumbers
Nur$ersof
of Troll
C h i n o oby
k bMonth
y M o nand
t h aArea,
n d A r 1977.
c a r l 9 T. T. . ... ... .o .r .I .o ... . . . .o r. . .. . ..
Chinook
o
FIGURES
FIGURES
Figurc
Figure
o
t
o
o
a
1
0regon
Production,1931-1977
Oregon Ocean
Troll
Production,
Troll Salmon
Ocean
Salmon
1931-1977. . . .,
. . .
.
3
2
2
AgeComposition
Yearof
Age
Troll
Colryositionby
by Year
of Life
for Chinook
in the
0negon
Troll
Chinookin
the Oregon
Life for
F i s h g r y , 1968-1977
Fishery,
1 9 6 8 - 1 9 7 7 .. .. , . .. .. .. .. .r .. .. .o .? .. .. .. .. .. .r .o e. .. a. r .I
6
1
.
.
.
.
.
r,
.
.
.
.
I
o
MAI{AGEI,IENT
MANAGEMENT OF
OF THE
THE OCEAN
OCEAN SALMON
SALMON FISHERY
FISHERY
I NTRO DUCT IOU
INTRODUCTION
a
The
Troll Salmon
for obtaining
fishery and
The Troll
Salmon Investigation
obtaining fishery
and biological
biological
Investigationis
is responsible
responsiblefor
data' analyzing
data,
analyzing these
and recommending
appropriate managercnt
management options
options for
for the
recoruending
these data,
data, and
appropriate
the
Proposed
troll
fishery. Proposed
troll fishery.
managenent
management
options
optimum
use
options are
are designed
designedto
to achieve
achievethe
optimum
use
the
of the
the salmon
salmonresource
r€sourceon
of
sustainedbasis.
onaa sustained
basis.
pursuedduring
Activities pursued
FY1978
Activities
sanplingand
duringFY
includedthe
andanalysis
analysisof
of catch
the sampling
catch
l97Bincluded
statistics, chinook
statistics,
wire tag
chinookage
data.
agecomposition,
markrecovery
recoverydata,
data, and
andcoded
codedwirc
tag data.
conposition,mark
term work
Short term
study chinook
Short
work was
was conducted
to
conducted
maturity, to
evaluateaa troll
season
to study
to evaluate
troll season
chinookmaturity,
extensionfor
for chinook
extension
coho
chinooksalmon
salnnnoff
southernOregon,
andto
scales
off southern
Oregon,and
to obtain
obtain random
random
cohoscales
for a
Research
Sectionscale
for
a Research
Section
studyto
scale study
separatehatchery
hatcheryand
wild coho.
to separate
andwild
coho.
o
The1977
Season
The
Season
1977Troll
Troll Salmon
Salmon
Regulations
&ggg-lptions
promulgated
folloling regulations
FisheriesManagement
The
were promulgated
by
Thefollowing
by the
Pacific Fisheries
$lanagerent
regulationswer€
the Pacific
Councilfor
for the
Council
troll
season.
The
major
change
was
to
establish
a
was
a
the 1977
1977commercial
cornnprcial
The
major
to
establish
troll season.
change
management
boundary
management
boundary
at
Tillamook
Head.
Tillamook
Head.
at
The
The1977
0ctober31
3l
1977chinook
seasonopened
May11 and
andcontinued
thruughOctober
chinooktroll
openedon
on May
troll season
continuedthrough
with
two
exceptions.
The
first
exception
was
the
June
15-30
closure
north
with t^roexceptions. The first exceptionwas the June15-30closure north of
Tillarpok
of Tillamook
(Novenrber)
Head. The
Thesecond
Head,
off the
Elk and
was the
off
secondexception
the one
the Elk
and
exceptionwas
one month
monthextension
extension(November)
Chetco
ChetcoRivers.
Rivers. The
The1977
seasonopened
of Tillamook
TillamookHead
on June
June15th
Headand
and
1977coho
cohoseason
openedon
15th south
south of
July
tluly 1st
lst north
north of
of Tillamook
Head. The
0ctober31st,
3lst, with
with the
TillamookHead.
Thecoho
seasonclosed
closedon
on October
the
cohoseason
exceptionof
of the
exception
the one
monthextension
Rivers.
one month
extensionoff
Elk and
andChetco
off the
the Elk
ChetcoRivers.
The
Departrentof
Fish and
The Department
of Fish
and tfildlife
Wildlife extended
extended the
November,
seasonthrough
tirough i{oveuter,
the troll
troll season
in two
L977in
areasoff
1977
coast.
The puryose
purpose of
two areas
southernOregon
of the
extensionwas
off the
the extension
was
the southern
Oregon
coast. The
to
to reduce
reduce the
the nurbers
numbers of surplus
surplus hatchery
hatchery chinook
chinook anticipated
anticipated at
at the
the Elk
Elk and
and Chetco
Chetco
River
River stations.
stations. The
Theextended
fishery was
followingareas:
areas:
fishery
extended
wasrestricted
restrictedto
to the
thefollowing
Elk River
RiverArea:
Area:
Elk
o
lthuntainand
Humbug
Cape
Blanco south
south to
Mountain
and
CapeBlanco
to Humbug
offshore
offshore to
three miles.
miles.
to three
Chetco River
Goat Island
Chetco
RiverArea:
California-0regon
Area: Goat
Island south
southto
to the
the California-Oregon
miles.
border and
border
offshore to
andoffshore
to three
thrce miles.
Catch
Statistics
Catc.hStatistics
Final 1977
for
fishery landings
in Tables
Final
Oregon troll
troll fishery
are summarized
Tables 1I and
2 for
19770regon
and2
landingsare
sunnarizedin
made
chinook and
salmon
andcoho
Thenumber
individual Oregon
salmonlandings
landingsmade
chinook
cohorespectively.
respectively. The
of individual
Oregon
nunberof
(Table3).
from
Landingsfrom
during 1977
was tabulated
of
during
nnasure
effort (Table
3). Landings
1977was
tabulatedas
as aa measure
fishing effort
of fishing
,lune15
May11 to
includesAstoria,
Astoria,
May
to June
werreexclusively
Riverarea
15 were
exclusivelychinook.
ColunbiaRiver
areaincludes
chinook. Columbia
llewport.
Warrenton
Uarventon
and
Newport area
Pacific City,
Depoe
Bay
Bqyand
andTillamook.
Tillamook. l'lewport
includesPacific
City, Depoe
andNewport.
area includes
Port 0rford
and
Coos
Bay area
area includes
includes Florence,
Winchester Bay,
Bandon,Port
Orford and
CoosBay
Florcnce,blinchester
Bqy, Coos
CoosBay,
Bqy, Bandon,
Gold
GoldBeach.
Beach.
poundsround
in 1977,
80%over
Troll chinook
were 3,985,000
pounds
weight in
over
Troll
roundweight
1977,up
up 80%
landingswere
chinooklandings
31985,000
(Figure1).
pounds
landingswere
were
the
2,2101000
pounds
round
1). The
The1977
the 2,210,000
landedin
in 1976
1977landings
rcundlanded
1976(Figure
o
-2-2-.
Table1.
Table
l.
0rcgonTroll
Troll Chinook
ChinookCatch
Oregon
CatchStatistics
Statistics for
for 1977
by Area
Areaand
Month
L977by
andMonth
Category
uategory
i'
o
o
and
andt4onth
ivionth_
flewport
Newport
Coos Bay
Coos
Bay
Brookinqs
Brookings
Total
Total
No.
l{o. of
of thc
Round
LbsRaunil
May
June
June
July
July
August
August
Septerber
September
0ctober
October
Novenber
November
55,754
55,754
221,758
221,759
145,434
145,4U
32,845
32,845
28,405
28,405
12,584
12,584
43,060
43,060
153,039
153,039
202,918
202,918
453,145
453,145
37,313
37'313
7,472
7,472
0
0
Total
Total
496,780
496,78A
66,652
66,652
199,265
199,255
816,853
816,853
778,264
778,264
242,249
242,249
60,832
60,832
38,012
38,012
19,301
184,767
19,301
tu,767
35,274
609,336
35,274
609,336
134,880
134,880 1,300,085
1,300,085
71,422
71,422 1,335,676
1r335,676
47,045
355,01.2
47,445
355r012
51,858
51,858
132,746
L32,746
29,052
67,064
29,452
67,064
896,947
896,947
2,202,127
21202,L27
388,832
388,832 3,984,685
3r984r685
August
August
Septerber
September
0ctober
October
November
November
5,897
5,997
18,256
18,256
12,518
12,5lB
3,063
3,063
2,442
2,442
1,028
1,028
0
0
3,460
3,460
11,717
Lt,717
14,568
14,568
32,869
32,869
3,241
3,241
589
589
7,250
7,254
17,393
17,393
67,862
67,862
73,729
73,729
23,213
23,213
5,245
5,245
2,611
2,611
1,752
l,l\z
3,066
3,066
12,620
L2,624
6,689
6,689
3,805
3,805
3,601
3,601
1,530
1,530
18,359
18,359
50,432
50,432
107,568
107,568
116,350
I 16,350
32,701
32,70
1
10,463
10,463
4,141
4,141
Total
Total
43,204
43,204
66,444
66,444
197,303
197,303
33,063
33r063
340,014
340,014
No. of Fish
rr-.]une
0
0
No. of Fish
iiay
June
.luly
July
o
CoIumbla
Coflmb1a
River
River
0
0
a
Table
Table 2.
2. Oregon
0regonTroll
Troll Coho
CohoCatch
CatchStatistics
Statistics for
far 1977
by Area
Arcaand
andMonth
$lonth
1977by
o
Category
Category
gld-Fia$Xand Iionth
No of Lbs Round
June
e
,luly
July
l{ugust
August
Septenber
September
0ctober
October
i'trovember
November
Total
Total
o
e
No. of Fish
June
,July
July
August
August
September
September
0ctober
October
November
November
Total
Total
Columbia
Colurbia
River
River
208,113
208,113
411,061
411,061
83,792
83,792
25,205
25,205
4,184
4' lB4
0
0
732,355
732,355
40,999
40,ggg
69,433
69,433
11,166
l1, 166
3,909
3,909
470
470
0
0
125,977
t25,977
i'lewport
Newport
89,845
89,845
635,998
635,gg8
327,299
327,299
24,420
24,420
1,518
1,519
0
0
1,079,080
1,079,o8o
Coos
Bay
CoosBay
Brookings
Brcoklnqs
181,969
181,969
722,526
722,526
232,622
232,622
23,103
23'103
2,613
2,613
0
0
3,656
3,656
46' 115
46,115
1,162,833
1,162,833
62,654
62,654
Total
Total
483,583
483,583
1,815,700
1,815,700
11,566
655,279
11,566 655,279
1,158
73,886
73,886
1,158
159
8,474
9,474
159
0
0
0
0
3,035,922
3r036,922
15,892
15,892
90,419
90,419
39,042
39,A42
2,872
2,872
164
164
0
0
34,555
34,555
98,200
98,200
28,312
28,312
2,798
2,799
319
319
0
0
549
549
5,646
5,646
1,251
I,251
113
113
13
t3
0
0
g1,gg5
91,995
263,698
263,698
79,771
79,77L
9,692
9,69e
955
956
148,389
l4B,3Bg
164,184
164,184
7,572
7,572
8,45rt22
446,122
0
0
-3-
Ltt
75
'
I
\,r
1'
1
\
I
-
=_.\u
\/
I
{-_
\ ;
I'
70
I
\
I
i
60
%/l
'I'
,
I \J ,'
h
55'
/
Oregon Ocean Troll Salmon Projuction, 1931-1977
,
I,
\
\I
I
o
I
A.
/
O
I i
_d'
'I
/ --
I
I'
A
,
\ .\
'I
o
65
/,/\\ I \ /A
o
-\--
-
-
t\
ch
I
Year
o
/
L
.6
6,
6D
Ctr
50
a
o
+,
(,
3
Total season
g
tn
rg
a'
6L
F(J(-)
o
45
a\\
.F
,rl
Il rt. l
-----:/
l'.
t-'-./
-
lt rl l
,
r
{)
35
/
i
I'
*-*."
I
cD
/
I
I
I
:>
s|t'
o
cg
I
o
.lt
v1
0
t-
40
oo-c
.c
/\'t
+.r
o
.,-
tuoc
Coho
Fo
Chinook
o
at\
o
toc
o
E
a
Figure 1.
o
°
0
1q6lafipunouspunodJo suoltttl',|
1931
/
3
4 -
6
3
7
Or@h(c)rfr<f(vt6.tFl
.
(>
1;
Fl
11
Fr
r{
12
N
13
64t
8
\*Fl
5
/
/ '
1
a
/
aa
(')
ctr
crr
lr-
o
1.
-4-4(97%labove
1.,9661000
1,966,000 pounds
pounds (97%)
abovethe
average. The
Theexcellent
the 1967-76
1967-76average.
excellent 1977
1977landings
landingsare
are
the
the second
second best
best on
on record.
record. The
Thechinook
landingswer€
in all
were excellent
from
chinooklandings
excellent in
all areas
areas-from
Junethrough
throughAugust.
June
August,
Table 3.
Table
3.
Month
May
May
l{unberof
Number
Individual Salmon
Salmon Landings
of Individual
in Oregon
Landingsin
for 1977
0regonfor
lgll
Arcaand
by Area
by
andMonth.
Month.
Columbia
Landing Area
Newport
Coos Bay
329
329
698
698
June
June
1,006
1,006
2,698
2,699
July
July
5,386
5,386
August
August
1,165
1,165
Septenber
September
454
454
October
October
130
130
15,351
15,35I
8,470
81470
Total
1,035
1,0S
245
245
2,307
2rW7
3,512
3r512
362
fiz
7,578
7 1579
25,346
25,346
3,173
3,173
49,256
49r?56
6,763
6,763
9,179
9,179
870
870
17,977
17,977
1,387
1r387
2,685
2,695
519
519
5,045
5,045
726
726
945
945
2,013
2,013
301
301
600
600
901
901
212
2L2
itlovember
November
Total
Total
Brookings
27,109
27,log
42,784
42,784
6,714
6,714
85,077
95,077
fl
The
poundsround
1977troll
troll coho
landingswere
The 1977
were 3,037,000
pounds
to
coholandings
roundcompared
310371000
comparcd
to 10,420,000
1014201000
(Figure1).
poqnds
pomds(57%)
(57fl)
pounds
landed
landedin
in 1976
1976(Figure
The 1977
were 4,030,000
4,030,000 pounds
t). The
1977landings
landingswere
belowthe
pooi in
below
average.
the 1967-76
1967-76
average. Coho
were poor
all areas
entire
Coholandings
landingswere
in all
arcas during
during the
tlre entire
season.
season.
Extended
TrolI Season
Extended
Troll
Season
poundsround
Chinooklandings
landingsduring
Chinook
during the
extendedseason
seasonwere
were67,000
67,000pounds
noundweight
weight or
the extended
or
period.
an estimated
estimated4,141
an
4,141fish.
fish. t{o
No coho
during
coholandings
landingswere
werereported
rreported
duringthis
ttris period.
anticipated benefit
An anticipated
benefit of
of the
extendedseason
the extended
seasonhas
has always
alwaysbeen
beenthe
tlre high
hlgh incidence
lncidence
_ An
year
of mature
maturcElk
Elk and
andChetco
of
chinook
observed
in
the
catch.
This
year
was
somewhat
Chetcochinookobservedin the catch. This
was sonBwhat
exceptional
period from
in that
exceptional in
that many
nanyunmarked
chinook
were landed
unmarked
landedduring
from November
chinookwer"e
during the
the period
Nover$er
13
19.
13 to
hlovember
to November
is impossible
19. It
It is
impossible to detennine
determine the
although
flsh althoudr
the origin of these
these fish
som may
mayhave
some
havebeen
beenElk
Elk River
Riverwild
wild stock.
stock.
0
,0
ibst
probableElk
the marked
markedfish
fish recoveries
Most of
of the
were actual
recoveriesat
Port Orford
at Port
Orford were
actual or
or probable
Elk
(Table6).
River
River chinook
chinook(Table
6). bleekly
Weekly landings
landingsconsisted
River Hatchery
consistedof
of 73
73 to
to 77%
77?/Elk
Elk River
Hatchery
fish except
percentagedropped
during the
tfie third
fish
except during
week of
when the
third week
of the
seasonwhen
drcppedto
the season
the percentage
to
only
only 9%.
9S. The
Theinflux
influx of
of small
small unmarked
chinook
incl&nce of
unmarked
the overall
of
chlnookreduced
rcducedthe
overall incidence
River Hatchery
past experience,
Elk River
Elk
Hatcheryfish
fish to
58S. Based
to 58%.
Basedon
on past
is somewhat
sornwhatlower
experience,this
this is
lolrer
than usual.
than
usual. However,
However,stream
streamsurveys
surveyson
indicated aa larger
on the
Elk River
River also
also indicated
the Elk
larger
populationof
partlally account
of wild
population
areas.
wild fish
fish on
accountfor
for
on the
the spawning
spawning
aneas. This
This could
couldpartially
the unmarked
unmarked
fish taken
the
fish
in the
takenin
fishery.
the troll
troll fishery.
II
-5-5-
o
percentof
Fifty-elght percent
the chinook
chinooklanded
in their
landedwer€
thelr 3rd
Fifty-eight
of the
were in
year of
of life
3rd year
llfe which
which
.
is a
prnviousyears.
reversalfrom
fromprevious
years. Normally
is
a reversal
fish in
in their
their fourth
fourth-year
Normally fish
year of
of life
and
life'and
older will
nrakeup
u:p60
60 to
older
will make
70%of
of the
the extended
extendedseason
landings. Age
Age-collposition
season landings.
data
composition data
\o 70%
fron fish
fish sampled
sa::pledin
in Elk
Elk River
from
River also
also indicated
indicatedover
50%age
over 50%
age33 fish.
fis[.
o
o
Theextended
extendedseason
seasonreduced
reducedthe
the return
return of
of chinook
both the
chlnookto
to both
andChetco
The
Elk and
Chetco
the Elk
P.ivers.
Rivers.
Both
the !ro!!
took substantial
Both the
troll and
and sport
sport fisheries
fisheries took
substantial nunbers
numbers of
of large
large chinook.
chlnook.
Adequate
numbers
of thinook
ch'!nook
enteredElk
Elk River
River to
to meet
rpet the
needsof
the needs
of hatchery
Adequate
numbers
of
entered
and wild
hatchery-and
wild
pt"oducti
on.
production.
1977TroIl
ChinookAse
Composition
1977
Troll Chinook
Age Composition
Chinook
landingswev€
sanpledat
ports to
several ports
Chinook landings
were sampled
at several
obtain age
to obtain
agecomposition
infoy"coflpositioninformation.
mation. Scales
were
taken
from
prepared
?1672
Scales were taken from 2,672 chinook.
chinook.' Plastic
Plastic impressions
irprcssionswbre
were prepared
frcm these
these scales
scales-and
from
and ages
ageswere
weredetermined.
determined. Age
Agecomposition
composltibnestimates
estimateswere
we'reapplied
ipplied
to
the total
total landings.
to the
landings.
years,
As
in most
rn"est
fish in
(Figure2).
in their
prcdominant
As in
years, fish
their third
third year
life were
of life
werepredominant
2).
year of
(Figure
1971,third-year
third-year fish
fish represented
represented
70?land
andfourth-year
fourth-yearfish
fish'271,
In 1977,
70%
27% of
of the
thetotal
iotil catch.
catih.
\7
gg$for
The1967-76
1957-76average
averagewas
64%for
for third-year
third-year fish
fish and
The
was 64%
and33%
for fourth-year
fourth-year fish.
flsh.
o
salqrlnijuB
Troll Salni,n
fbrk Seuplins
Sampling
lroll
c
sa.mplers
eachwere
asslgnedto
to both
both Astoria
Two
each
were assigned
Astoria and
andCharleston.
Charleston. Newport,
Newport,
_
I*q samplers
Port Crford
andBrookings
Brookingswere
Port
Orford and
were assigned
assignedone
onesampler
sanrpler
each.
This
sanplingeffort
each. This sampling
bttoit
resulted
22%of
all chinook
19%of
resulted in
in 22%
of all
chinook and
and 19%
of all
all cbho
coho being
being examlned
examined for
marks and
and
fbr rmrks
co{edwire
wire tags.
tags. Detailed
presented
coded
sarnpling
informationis
is presented
in Tables
Tables44 and
and55 for
for
Ltailed sampling
information
in
chineckand
andcoho.
chinook
coho.
(Table6).
fin-clipped chinook
Samplers observed
observed 4,118
4,118 fin-clipped
in the
6). Most
l|ost
chinookin
the landings
landings(Table
- . Samplers
of the
the marks
markswere
wereeither
of
or
unassignable.
either duplicated
duplicatedor unassignable.Approximately
Approximateiy
oi the
the total
13%
l3Sof
total
markrecoveries
recoveries wene
from the
mark
were from
RogueRiver
River and
6% were
the Rogue
and-6%
fromthe
werefrom
River.
the Umpqua
Unpqua
River.
o
o
o
We
['lecollected
collected 1'323
for coded
1,323 chinook
chinook heads
heads for
codedwire
wlre tag
tag recovery.
r,ecovery. Technicians
Technlcians
fo,u1{
tags in
in 991
found tags
991or
or 75%,
75%, The
contributing agencies
agencleswere
tbpartrent
The main
main contributing
were Oiegon
Oregon Department
Fish and
of Fish
andWildlife
blild'iife with
with 66%
(USFWS)
66%and
andU.S.
U.S. Fish
Fish && Wildlife
of
with
WitOiife Service
Service(USFWS)
wittr 19%
of
l9S of
the total.
the
total,
Samplers
found2,059
2,059marked
(Table7).
rnarked
in the
cohoin
found
coho
flshery (Table
the troll
troll fishery
Aftmstall
7), Almost
alt
- Samplers
of the
the marks
markswere
wereeither
either duplicated
of
duplicatedor
or unassignable.
unassignable.The
Theuse
useof
of coded
wirc
wire
tags
coded
tags
has drastically
Crasticaliy reduced
rtducedthe
the number
nurberof
of assignable
has
assignablefin
fin marks
marksused
usedon
on coho.
coho.
hle
co'llecteC1,421
1,421coho
cohoheads
for coded
headsfor
We collected
codedwire
wire tag
r€covery. Technicians
fomd
tag recovery.
Technicians found
tags in
in 1,097
t,097 or
tags
or 77%
77%of
of these
theseheads.
heads. The
Themain
maincontributing
wercWashington
l{ashington
contrfbutlng agencies
agencieswere
Departnnntof
Fisherieswith
of Fisheries
with 52%
52%
andUSFWS
Department
and
with
total.
usFtds
wit} 32%
of the
32sof
the-toial.
Data
Avetjieiht
Data
Av"enese._!E!qnt
o
0
Averageweight
weighi data
data were
werecollected
collected from
fromchinook
for conversion
Average
andcoho
salmonfor
chinookand
conversion
cohosalmon
pounds
of landings
landinggin
in pounds
of
to
ofoffifish.
sh.
tonumbers
numbers
The1977
average
weights
arc
The
wel
ghts are
1977chinook
chinookaverage
prcsented
in Table
presented in
Table8.
8. The
pounds
Theseasonal
seasonalaverage
averagewelght
for chinook
chinookwas
weight for
was 10.2
10,2 pounds
dressedweight
pounds
compared
to 10.4
in-1976.dressed
weight compared
to
in
1976. Chinook
10.4pounds
averageweights
weights-trey€
average
were up
Chinook
up
from 1976
in all
1976in
from
all areas
areasexcept
exceptBrookings.
Brookings. Chinook
Chinookaverage
seidomreflect
r.eflect
weights seldom
averag weights
a
-6-6-
80
o
70
70
c
o
60
60
o
0
+t
an
50
50
o
cl
e
o
(.)
8
(u
a)
o
ED
30
(u
Ct)
(c
4g
+t
E
(l,
w
(.'
ZtJ
20
3.
l0
CL
10
(u
o
40
2 345
2
3 4 5 6 2 34
3 4 56
56
1958
1968
1969
1969
2 3 4 56
234
56
2 3 456
23
456
3 4 5 66
2 345
1970
1970
t97t
1971
t972
1972
o
o
B
0
o
&
.tJ
4.)
ta
()
0
o
*
0
o
(-,
(l,
a)
ttl
(u
ol
rlg
.lJ
4.)
o
c
o
(J
L
I
(u
a)
cL
0
2 345
3 4 5 66 2
2 345
3 4 5 6 2 345
3 4 5 66
o
1973
t973
1974
t974
1975
t975
2 3 45
45 6
2 3456 23
2 345
1976
t976
t977
1977
Figure2.
Figure
2. Agecorposition
Compositionby
byYear
YearofofLife
Life for
for Chinook
chinookin
inthe
Orcgon
theOregon
Troll
Fishery,
Troll Fishery,
1968-1977.
1968-1977.
fl
o
I.
-7-7Table
Table 4.
Oregon Troll
4. 0regon
Troll Chinook
Mark Sampling,
Chinookf'lark
Sanpling,1977.
!g77.
Landing Area
o
o
o
o
o
Columbia River
No. Examined
t{o. Landed
No.
Landed
%
% Examined
Examined
C
July
1,433
1 , 4 3 3 1,817
1 , 9 1 7 2,064
2,464
5,897
5r897 18,256
18,256 12,518
1.2,518
24
24
10
10
16
16
CoosBay
Bav
-Coos
i,lo.
No. Examined
Examined 1,620
1 , 6 2 0 3,771
3 , 7 7 1 12,827
12rg27
No.
No. Landed
Landed 7,248
7,248 15,688
57,291
15,699 57,291
% Examined
S
Examined
22
22
24
24
22
22
Port 0rford
Port
Orford
No. Examined
No.
Examlned
l{o.
No. Landed
Landed
%
%Examined
Examined
August
577
577
3,063
31063
19
19
Sept.
9
9
2,442
2,442
tr.
tr.
Nov-Dec
Oct.
0
0
0
0
5,900
5,900
43,204
43,244
20
20
589
589
0
0
0
0
0
0
5,937
5,937
66,444
66,444
0
0
0
0
0
0
31,835
3l,835
166,956
166,956
3
3
11,084
506
11,084 2,027
2,027
506
66,271
66,27t 16,399
4,059
16,399 4,059
17
17
12
t2
114
114
3,066
3r066
4
4
6,455
6,455
12,620
12,620
51
51
Total
0
00
1,028
11028
0
00
12
L2
0
o
1,081
1,091
5
,6ll
5,611
5,482
616
5,482 2,342
6
1 6 2,111
2r%z
2,lll
2
2 1,705
1,705
10,571
1 0 , 5 7 1 7,458
7,459 6,814
6,814
1,186
2,61t
1,186 2,611
0
0 6 3 63
533
81
5
81
74
34
52
74
34
52
Brookings
Brooki ngs
No.
No. Examined
Examined
0
0
ito. Landed
No.
1,752
Landed
11752
%
S Examined
Examined
0
0
14
t4
9
9
19
19
17,243
17,243
30,347
30,347
57
57
4,573
4,573
199
801 13,522
199 1,380
1,380 801
13''52?
6,689
6,699 3,805
3,601 1,580
33f113
3,905 3,601
1,580 33,113
688 5
5
511
41
6
5
41
38
38
No. Examined
Examined 3,053
3,053 8,096
8,096 28,166
28,166 24,917
2,522 2,912
24,917 4,771
74,437
4,771 2,522
21912 74,437
llo. Landed
No.
Landed 18,359
50,432 107,568
18135950,432
116,350 32,701
10,463 4,191
107,568116,350
32,7A1 10,463
340,064
4,191 340,064
%
%Examined
Examined
17
16
L7
26
69
16
26
69
21
15
24
22
2l
24
22
15
tr. == trace
tr.
trace
o
June
f'lewport
Newport
No. Examined
No.
Examined
0
o
1,313
1 , 3 1 3 1,209
3,201
194
1,209 3
,201
194
No. Landed
No.
Landed 3,460
3,460 11,717
lL,7L7 14,568
14,568 32,869
32,869
3,241
3,24L
% Examined
%
Examined
0 11
0
11
8
10
6
B
10
6
Total
Total
-Tiil
o
May
o
-8Table5.
Table
5.
Oregon
0regonTroll
Troll Coho
CohoMark
Mark Sampling,
Sampling,1977.
1977.
Landing Area
June
July
August
Sept.
4,655
4r555
I11,166
l, 166
42
42
202
2A2
3,909
3,909
Oct-Nov
Total
Columbia
River
Columbia
River
.-i1t--:r.-?-
t{o. bxaml
14o.
Examined
ned
l'lo. Landed
14o.
Landed
%
%Examined
Examined
o
l'lewport
Newport
No. Examined
No.
Examined
No. Landed
No.
Landed
% Examlned
%Examlned
o
CoosBay
Coos
Bay
--fro-.
No. Eami
Examined
ned
No. Landed
i'lo.
Landed
%
%Examined
Examined
Port 0rford
Port
Orford
-ll6lTlifr:i'neo
o
o
o
o
o
o
No. Examined
No. Landed
No.
Landed
Examined
%
Examined
%
ngs
Brookinqs
-Brooki
i'lo.
No. Examined
Examined
No. Landed
No.
Landed
% Examined
Examined
%
Total
Total
i4o.
Examined
llo. Examined
No. Landed
Landed
No.
Examined
%
%Examined
7,499
7 ,4 9 9
40,999
40,999
18
18
928
928
15,892
15,892
6
6
2o'348
20,348
69,433
69,433
29
29
6,732
6,732
90,419
90,419
7
7
2,611
2,611
39,042
39,042
7
7
5
5
198
198
2,872
2,872
7
7
8,898
8
,8 9 8
34,072
u ra72
18,094
1Bf094
90,839
90,839
20
20
4,842
41942
27,218
27'2L9
301
301
3,340
3,340
7,361
7
r361
45
45
459
459
1,094
1,094
42
42
73
73
144
t44
51
51
3,228
3,228
5,646
5,646
57
57
832
832
1,251
L,251
66
66
113
113
44
44
13,399
13,399
79,771
79,77L
17
t7
9,692
9,69?
8
813
26
26
483
483
62
62
5
5
549
549
I
1
17,631
5L,742
1 7 , 6 3 1 51,742
91,995
9
1 , 9 9 5 263,698
263,699
19
20
2A
19
18
l8
318
318
2,654
2,654
12
12
5
513
796
796
0
0
470
470
0
0
5
5
32,704
32,704
125,977
t25,977
26
26
164
164
3
3
10,474
t0,474
148,389
148,389
7
103
103
303
303
34
34
32,255
32,255
155,085
155,085
2L
21
0
0
16
16
0
0
13
13
13
100
100
121
t?l
966
965
13
4,173
4,173
9,098
9,098
46
46
4,083
41083
7,572
7,572
54
54
83,689
93,699
446,122
446,122
19
19
-95
1
13
1
2
1
164
2
1
5
4
12
3
1
1
2
1
1
1
1
2
3
1
11
1
1
2
1
1
Fl
1
Gf
1
10
1
c)r-t
3
2
55
2
GJ
Fl
1
t\
Fl
1
1
rar(\J
L()
Ft
1
7
1
3
89
3
1
1
(D-tfi)
6
O
Fl
3
18
1
8
(f)
Ft
1
1
(\t
(\t
sf
1
4
85
1
(Y)
1
_t d !Q
6
1
Ft
3
58 4 38 25
3
Fr
ql
qf
(Y)
o/, ro
Ft
42
1
(\l
1
25
1
1
CD
1
qfFl
s,l r-t Ft Ft
2
1
ctt
9
r.cl
gi)
c\i
r{
1
FlFr
4
1
Fl<f
16
1
@ flt
Fl
o,t
.-r ql qr
srqh
1
1
3
13
42 13 2
299 101 19
Fl
10
60 228
1
2
1
s,l
Ft
1
5
oFl
RI
Ft r{
=
Fr r{
Fr F{ Fr -t
S
;i
;
5E
5
E
1
5
e
Ft r{
cn
Ft H
E_-
++*FTTEFF
*++$ry
=="III44EI+*
Mendenhall R
Cedar Creek
Duplicated
Abernathy Center
Elk River
ot Assigned
Not Assigned
Round Butte
Not Assigned
Duplicated
Duplicated
r-E
,A
gg
Ad
Duplicated
Not Assigned
Coos Bay
dot Assinged
dot Assinged
1. Umpqua R
Not Assigned
dot Assigned
dot Assigned
Iot Assigned
Not Assigned
Not Assigned
Cole Rivers-Rogue
Not Assigned
Coos Bay
Not Assigned
dot Assigned
Not Assigned
butte Falls
Not Assigned
dot Assigned
dot Assigned
Row River
Sacramento R
ROW River
U
0
0
.y)trt$I
N f\
A 3 A 3A AEEEEEEEEEEEEEEEE*E€*EI**E***
t(t,r 8
e,..
.qfsf
.v l: t\
F o r O r _ g o-if o r o r o r o r b r b r qb _ g e b, b r = O i i : i E o r c r r c h O t\r
5 -i -a
-i -i
Ad
Ad-LV
Md-LV
nd-LV
Ad-LV-RV
U-Ad
0-Ad-RP
D-Ad-RP
D-Md-RP
D-RP
0-RM
Ad
Ad
Ad
4arks
=ttt.=
(3O
Orr5. :!v)59. :SfSf
ii
l4
t\ .:a t\ t\
;a ;i -i 5 ; !.i S ]i ii
ti
Ad-RV-Lfl
Unk.
Ad-RV-LM-R14 1974
Ad-RV-R14
1974
Ad-LP
1973
Ad-LP
1974
Ad-RP
1972
.{
1973
1973
1973
1973
1974
1974
1973
1974
Unk.
1973
1974
:fr)frttDcD.$*f
:e rr r\ i{ '.\ i
Unk.
itOO"<F6
.fi)c+
t\ t\ r\ t-i -lC N ri
Ad-RV
id-RV
Ad-RV
Unk.
Ad-RV-LP-LM 1974
Ad-RV-LM
1974
.c/tsf
-v N l\
or ctrcr('rorch G''ro)c.!qor'|
1974
$.lc:)sl-\l(\t(v)
l\ l\ l\ N l\ l\
Ad-LV-Ri1
5
LO (O
C\I
ro
E
- 12
-orr
rr.rr!-,==d
Essr
iesiu
FF:
FstEE
F.rg;gFcFFFlE"gE*
E
r
s:; Fd<{pd.;.;.;.;<:.fg:i
#:fi,$$;$$.$i
i)uplicated
Origin
2
1
1
(Y)
Md-LV-RV-LM
Ad-LV-RV-RN
Ad-LV-Ld
Ad-LV-Ld
Ad-LV-LM-RM
Ad-LV-RM
Ad-LV-RM
Table 6. Sumary of
________________ __________
2
tf) tO
5
C'
2
fll
0
o
€
(\l
2
Gtgr
t/,
3
U)
26 20 36 19
2
3
1
eq9,{
Fl
1
Fl
oi)
4
7
1
F{
10
1
l\@
lF
E
5
r{
<.
fr,
1
56
15
6D
16
1
(Yt C)
Ft (Ol
or
a?n
Fl tf
Fl
@
Unk.
1973
(J
E
Ft
34
3
65
Ft
2
3
1ri
i{
e
1972
1973
1974
1972
1972
1973
Unk.
1973
1974
1972
1973
1974
1975
-
14y
.u
tg
227
1
1
1
1
2
1
\l
(l'Aq
Ft s,t
Rt
CB B CR
v,
sa
L
o
5
2
22
1
1
1
Fl
june
c,
o
(,
o
o
o
=
6f) t.ct
tO
r{
$J
E'
c,
g
g
HFI
i
+t
E
o
!
rts
I
Fl
o')
Lft l.Ct
Fa ll)
CB
July
s
o
ctr
(u
L
C>
o
Brood CR CB CR
.
F
o
F{
B CR
e
a
6
CB
Oct
B CR N
lr-
CB
Sept
August
.c
.a
(\|
B CR i
t(!,
Ft rr'
- ' r_t sf (\t Fr Gt Ft (t4, |J)
Fl
6''
ii
sl
42
30 27
1
2
1
Fr (\l (\l
(\l r{)
.{ cl c)
cir G)
CB
o
o
2
2
2
3
24
45
1
1
1
10
3
200
52 17 1,184
1
1
1
1
5
2
1
1
1
8 Total
^st (\l (\t Ft lr, Ft 6a h .+- q
ct
I
<v
s.t
a
N
Chinook Marks Recovered from the Oregon Troll Fishery, 1977.
or
.
(Y)
(\J
o
o
Fa (t, c) <f Ft O rf,) N
Fr<'
9oq
(tlr{
Fl
8
o
o
Fr Ft Ft F,t r.l) s.t Ft t{
P0
Nov
o
E Y S E i ? , n " a I 3 3 S 3 s ' , 3 - q r n t n . ot n t n ' v , '2ER - f r . q - f i , i l ' i , ^ 5 o 5
;fi-e.b*.q'r p
s s E€n €€ 5 r : EsEBE E I , E r t r : - . , r ! i r r + ' + ' * * . r : E r r , * f ; 4 J . , -g, 8" ,g=
€
i i*i:
Ei
r F ?,9€€+€ €€€EEEEE=E
EEEEEE E
J
c
1
13
6
3
58
c\l- F(v)
r (r, \r @ to Fr (v)
(\tro
2
16
2
2
13
1
5
1
F{ Fr rr) Ft Gr g N
Fr
324
N
1
1
2
14
Al - Hoo H
2
18
oo (o c* clr st
d
OG
(Y)
338
766
4
1
@ Fl c\t l\
ro
2
7
1
58
4
3
2
3
11
2
6
1
Total
35
rf) Fl o.) Fl G, r.l) r:f (Y) c\l d
oD
Fl
G
#
tY,
1
(O r+
c) $l
r{
Fl
r.'
sf
4
(Y) <f
(o L.?
1
-l
1
1
1
r{
CJ
Fl
z
CR N
3
co
5
()
63
154
P
r{
GI CT)
CB
Oct
B
m
1
S
Fl
1
1
r{
I
1
P0
o
2 106
3 124
Nov
B
F
1
l\
sf
2
l\
7
2
2
47
1
Fr
1
2
N
Gl
C\l
1
CR N
o., Ft
2
2
l\u-t(\t
Ft (\l
J
V1
(\l
17
25
2
(Y)Ft
Fl
1
1
FlFl
3
Sept
1
CB
)o
+)
o
o
Fl
c{
1
!
B
S
g
iJ
;
4
2
Fl
(\l
(\l
2
4 120
7
1
1
1
6
1
3
1
2
Ft(OFtFtt\r{Oqf
2
(Y
r{(Y)
nt (\l
1
5
Lf,
1
(\.lFtd)
Ot$,
sf (\l
Ft
3
2
49
13 122
1
2
C\l
A
c.J
$r
24
2
5
1
1
1
(\tFr
1
N
=
{
1
2
FlRtFrFr
€
(\l ro
23
5
tt
5
1
CB
August
n
,n :)
2
B
p
8
-t
:a
B CR
r
't=
5
1
1
\l
r",
(\l
Fl
2
CB B CR
N
=
1
4
(o^rac.')F{
At
1
4
ql. r{
118
23
=l'
2
8
c\,
Ft
2
Ft
6
1
1
.o
7
1
4
64
269
osgr{F{t\
31
1
*g
Ft
1
10
17
t\
r{
O
Fl
1
1
r{
2
$rLg
r-l
1
3
6
(\.l
2
2
J
(\l
15
July
CB
It
1
-J
l\
(\l
1
CV
2
F{
17
1
1
r{
1
Fl
N
June
(\l
Cr)
2
r{
2
O.l
c,
g
1
17
31
r-l
2
1
1
6
(J
1
J
Brood CR CB CR
5 7:
?
C?dr{
1
r-l
1
r-l
3
Fl
1
1
4
q+
J
1
4ay
sl
n
1
iJ
J
Unk.
1973
1972
1973
1974
Unk.
1971
1972
1974
1972
1974
1973
1972
1973
eo
<++(Y)sf f"lsf (')(+ .oo.;f
.sf <rrt')1+.:$r!")
.6')Ct.,$r5f
?!y)sf fr)(\r:f Ias\tlD5f
l\ t\ l\ l\ l\ t\ l\ l\ aa l\ l\ -sZ N r- r\ r: q4
.'z f\ i
: > > \ \ f\ .'. N N ,\ t\ -y. Ft\r St\l
o r o r o r o ) o r o r . t r c t r c o r o ) s c r r o r s r { ' r F q o | r E 3 \ ->o . \r i l i ( ' i o ) o l oF! o !to i =
iriin'ors1
r{ Fr Ft Fr Ft d r{ Ft = -t r{ = Fr Ft F{ -t 5;i
'.|crr
*i 5;;;;:;
F;;;
_.i _i 5 ii li,< H =s cF{
r{
1973
L
1974
1974
1973
1974
1973
1974
1973
1974
Unk.
1973
1974
Unk.
1974
1972
1973
1974
Unk.
1972
1973
Unk.
1973
1974
'o
o
o
E:=
a t
r
I
++++?i+&e555=5EEEE
| |
g'fiL
Not Assigned
E--Ld
*9EdE3.:"
E
e,
EE.trd
1W
RV
E---E'oE
{f,u'-,-,6,aair
66.'=
E.'5d
{ 6 E;E #; #,tEEegfl gggF f : H*t
gAAn
-ia sJ<:
E E
E.r.r
s
.F 5.F.F
Cr
i
-'tOTt'rt-
rE.n.-+r.p{J€
5I;
V , nft3 ^ n A "prn n g E E S - r ' , i a
<.<
< < < <;;.=.9
-.-.-
1 1 1{ . -
b.;-.;.;..f
>
1 aO E6 | nl ^ A + ,e,
o.F.F
Duplicated
Origin
F
dg'u'rt'rJ\r:c,
="5?==
q- a t o o r go ogl 6C. qEo+ot . r o o
Sacramento R
Not Assigned
Not Assigned
,o
(|t
=aa
Cole Rivers
Elk River-Coos
Not Assigned
:'
gO
(u
-S. Santiani R
Table 6.
r€t
LV
LV
LV
-_t-t-t-aTTT-r_l_t-TTTTTI
EEEEEE,5€
r €,€€E========== ii = i= i****=
(J
ilot Assigned
==55
| | | |
-
LV-Rfl
E
|
LV-RM
LV-RN
LV-RM
E
-t _'_
LV-RV
Leaburg-McKenzie RLV-RV
Not Assigned
LV-RV
N. Umpqua R
LV-RV-Lfl
dot Assigned
LV-RV-R14
Feather River
LV-LP
Coquille River
LV-RP
Cedar Creek
LV-RP
Not Assigned
LV-RP-Ri4
Upper Rogue R
LV-Lil
Round Butte
ILV-LI4
dot Assigned
LV-Ui
Not Assigned
LV-U1
Not Assigned
LVLNRM
An-LN
An-Ui
An-LN-RN
LV
An
An
An-LV-R1
++5=EE
I | | | I |
Ad-RM
Ad-RN
An
E
E
JA'CEJEcgi;.
|
Not Assigned
Not Assigned
Not Assigned
Round Butte
Not Assigned
Not Assigned
Butte Falls-Umpqua
Not Assigned
Not Assigned
Duplicated
uuplicated
Duplicated
Duplicated
1. Umpqua R
o
'.(!
Ad_Li:1
+t
U
J'
Ad-RP
Ad-RP-LN
Ad-LM
o
g
Narks
Continued
g
+,
; 38 3
e E ; S; ; 4 448
F<<r
s
F 5 SF€
fi
g
E
r-r
;"
*,
c'f
E=SE
S+E=.
EE3zz
S3 6E E
3 303.3+-+ _3€ { €,l g s €; gp5 ; ; ; *g x I ; E
qE=
z,=
z*3 5,5
€ € € d fi E E 5
Ff H
oo
(O 6')
r{ Fl
1
16
13
-r
1
1
1
1
1
6
17
1
Lo a\ e\r R, (Y) H (o) t\ Fr t{
r{
Ft
5
17
2
2
3
(}) d
0 1 478 47 379 18 4,118
o
t?
(O IOr
(\l
3
Nov
P0 B Total
t
qr
oo
Fl
53
(I) 6rr
rf,,
9
lf,)
5
S
o
266
94
-t1-
ED
t\
1
1
1
3
B
S
cf)
F
FlFl
l\
\r
Ft
(n
3
1
1
r<
1
21
136
Fl
1
Fl
1 2 269 16
Fl
1
Fa
t9|
H
1
r{
1
lO
Ft
Fl
1
Fl
Ft
1
11
16
CB
Ol
(o
G.I
(\l
1
Gt
2
ro
G'
31 43 44 25 198 4 49 36 1,151 201
22 118 859 126
Sept
S
o
F.
c)
B CR N
S
o
AO
l\
<t
B CR U
Oct
CB
(C) Fr
(v) G,t
Ft
Ft
C\I
2
1
Ft
(\l
1
1
Fa Ft
2
1
1
3
7
1
Ft
1
2
Fl
FI
1
Fl
a.fi,
Fa
a
1
1
(g
qt
1
t{
(y) Sl
1
1
t{
3
2
1
Ft
1
(vt (\I
St
2
-l
3
Fr5
2
-_{ (\l
1
cf
11
2
Ft
*,
2
d
1
r{
2
(\l
2
2
At
1
1
Fr *J
OO
tf)
s.l
rtr
rir'
(Y)
q+
d
(Y)
Fa Ft Ft
-a
-a
5
-a
Fi
;i
;.a ;i
RP
RP
RP
Ft
LP-RN
Fl
1973
1974
1974
1972
1973
1974
Fi
1974
1973
1974
r-l
173
3
1974
1973
1974
1973
r-l
172
Fl
link.
1973
1974
jR rRNRR
FFg$BTRRRRRH
o! q E t:1 or gl tr crr cr o! or o! E nr or crr itr or or
link.
CS B CR
ti{
N
June
4ay
S
S
o
3
Fr(O
1
2
7
FtF{FtN
1
t41
1
1
6
qlOq
o4! d
1
32
18
5
2
$t
(\l
FI
Brood CR CB CR
o
G'l
lf,,
RI
N
ro
(rO l\
o?
CS
July
I
21
10
CR
Fl
B CR
S
o
N
August
Fl
C) Fl !-{
Fl (r.l
;
Continued
at
I
(!,
rt
Ouplicated
Duplicated
Origin
??g='i
gl,rl Q=ea
+i
ti
c, 9
.r.p
FF
F
;=
_
qg+,
ggg83=gggg
s ) .F
c r r c r r r r r . ge E r 6 6 6 r
_
.p.r
p.p
.p p .r
>)F
f4 oO (u,=t
{
€
vr{J.a
J
.a_ ,h
o cr o€+,
q
ufo
ts
> ctr||.
.F +, tl,'c
L
E.qtgrC
q.
.n- I
LF
o
t4
tr,
6
o.p
1rs
d rn
df +r
O
,-300L
rrj
3
. q i { . r + J J -e3 , 6C l
li?
+f
,3898e89€e€f,
t€€.? €-59
L3O.pA
€
EO
A4
:' cL rt o.p
1D
tI'
{j
€
8"€8Ae
=
CS =
B =
P0
1OA,TIE
E.e0t
Totals
tU
F
Not Msslned
o
(JL
Newport
Coos Bay
Brookings
Port Urford
EE
G
$||||||tl
5=8*R
N
o
.€
CR = Coluuia River
Table 6,
S
a.==
LEJE
a=aaaaaaaai=33i3*&&
io
S
LP-Lti
L'
I
a-a.E=EE=
JJJJ
J&,d,
_ttttttttil
LP
LP
LP
LP-RP
o
RV-Lfl
g
E
Coos & Nillicoma
Feather River
Coos Say
Not Assigned
Not Assigned
Not Assigned
Not Assigned
Floras Lake
Duplicated
Not Assigned
Not Assigned
Not Assigned
Not Assigned
Elk River
Duplicated
Oeschutes R
+,
RV
RV
RV-LP
RV-LP
RV-LN
O
iarks
S
:t
g
RV-LN-RN
RV-RN
RV-RN
(u
Ft
Fl
r-a r.t
tO
- @ Cn
ro
2,059
6., Ft
64
6
58
59
1
Ft
11
1
(_\| Ft
co
2
$f
1
1
64, qO $.t Ft
2
3
6
2
Fl
82
Ot
ro
o
rr) lfi
(\l
3
1
1
1
a
1
1
:
s) ltr'
1
1
!"Q Fl
55
-rl:]
1,701
1
o
1
-12'
I
(Y)
r!.a
0
o
0
o
(\l
2
2
1
1
1
1
o
GJ
10
r*
r{
Ft
(Y)
143
49
231
0
1
(Yt
GI
21
15
2
3
8
13
2
9
1
1
Fl
F{
6
sl. (o
oo
r0
168
(tr
(O
4
6
1
r-l
9
5
137
6tt
(\l
Ft
r-t
Ft
Fl
Ft
Fl
*-f
-f
ef
1974
1975
1974
1974
1974
1974
1974
1974
1974
(d
Fl
Not Assigned
Ad-LV-RV
Rock Cr. - Umpqua Ad-I V-Ky
r-l
1975
-crtHXflss
ESSX
'4 o! o! or RXXXXXHRRRSS
or 6 or or cr! c! q :tr .Jt-o.r at
or o or clr or
i,
Fl
Ft
F{
Fi
r{;a;
ii
ii
tl
Willamette system
Not Assigned
Ad-Li
NE
= Brookings
€ts.€&55€€,9gF€9,99e5ge F F
Coos bay
ul
;
ttt
i5
L
CO.p
Ec,
J
:' o.ra o
e3OO
o(l,oL
Lt:A (*, eo
It||$tl
gtrt
(J=(Jao
C
Not
-O
Totals
)uplicated
[Juplicated
L)uplicated
.- {{ 'lJ .F -. +) +r.F .F .- +r i5.i
.;
5 ; +: tr.; +:
q q ta.! e ql ta uf 6 tF rld-tlar,t t.r
A
ar;'rL, i/, b
qaasl(J
EE4
uO ui(Ji;iirsi; s
A
A
.o .6.-{ {{.p.-{
d.rp<
L<n
r.{.i
<
.
J
FF
tU
Ja
r
F
G
t
.
=
. i _ rg + + ,
(lee
+'4i +, +++rE
+r€ +r'o-€ +r'e.
q
.tt
> tt!
.pt,rdC
1t
Tr
Cedar Creek
Not Assigned
Assigned
Rock Cr. - Umpqua
Not Assigned
Cedar Creek
Not Assigned
Not Assigned
L)uplicated
=5=
Haa$' efiHgS;tg; HEH;E8a
tiuplicated
CR = Columbia River
N
= Newport
LP
RP
RV-LN
at
tt'
5
g
o.
Not Mssigned
Willamette system
qSelpeo
RV
L
rttEE
5(l,c,
qPP
4.n.n
9
LV-LP
LV-Li4
LV-RN
IV
LV-RV
LV-RV
An
LV
Ad-RH
Ad-LP
Ad-RP
Ad
-LP
q
==3&58
==i5iF 5
>>'
*i
E J J = Jo-o.igg
: < < ! t tt t t s
Not Assigned
Ouplicated
Table 7.
Lf,) (Y) o
Fl
(\l
Fl
1974
1974
1975
1974
1975
1974
1974
1974
1974
1974
1974
1$]
L)
(u
€ru
(\, c!
Fr
l\ Lo
(Yt
o
o
tn
2
1
19
Ol
L
L
f(t
tr
5
Gl
l{
(u
Summary of Coho larks
171
4
-r Fl =f
&,
o
F
(>
rf,
c)
(u
o
(J
.it
cc
506
CYt
186
(c,
@
g
o
591
3
1
5
5
(c)
T'
lF
Fr
c'l
ro
8
3
1
1
Fl
Ch
rrf,
rO tJ)
qs
L
q-
59
(?
qr
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73
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4
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co
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C\l
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24
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ft
Ff
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1
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1
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1
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F{
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Ch Fl
Fl
2
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c,
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E
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$Fl
Fl
1
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(v)
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1
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o
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ct
o
7
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rs.
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52
.
o
Recovered from the Oregon Troll Fishery, 1977.
a
9
9
(tr
-13-13Table8.
Table
8.
o
o
Observed
AverageDressed
Observed
Average
Numbers of
Weight and
Dressedl,leight
CalculatedNumbers
of Troll
Troll
and Calculated
Chinookby
Chinook
by Month
Monthand
andArea,
rea, 1977.
t977,
May
July
June
Aug.
Sept.
Oct.
Colurbia River
Columbia
River
Number
5,897
18,256
5,897
18,256
Pounds
Pounds
48,482
48'492 192,833
192,833
Ave.
Ave. Wt.
lrlt.
8.2
8.2
10.6
10.6
12,518
12,518
126,465
126,465
10.1
1
0.1
Newport
Newport
Nurber
Number
Pounds
Pounds
Ave.
Ave.Wt.
hft.
14,568
14,568
176,451I
176,45
12.1I
12.
32,869
32,869 3,241
3,241
394,040
394,040 32,445
32,445
12.0
10.0
12.a
10.0
7,250
7,250 17,393
17,393
57,959
57,959 173,274
t73,274
8.0
10.0
8.0
10.0
67,862
67,962
710,306
710,306
73,729
73,729 23,213
23,213
210,651
676,750
676,75A 210
,651
g.l
9.2
9.1
9.2
1,752
1,752 3,066
3,066
16,783
16,793 30,673
30,673
9.6
9.6
10.0
10"0
12,620
12,62A
117,287
117,287
9.3
9.3
3,460
3,460 11,717
ll,7tl
37,443
37,443 133,077
133,077
10.8
10.9
l11.4
l.4
Total
Nov.
0
0
0
:
-
43,204
43,204
431,983
431,983
589
589
6,498
6,498
0
0
l11.0
l,0
-
66,444
66,444
779,954
779,954
11.7
lL.7
3,063
3,063 2,442
21442 1,028
L,A2B
28,561
2
8 , 5 6 1 24,699
24,699 10,943
10,943
9.3
10.1
10.6
9
.3
1
0.1
10,6
0
0
10.0
10,0
Coos
CoosBay
Bay
o
o
4umber
Number
Pounds
Pounds
Ave.
Ave.Wt.
blt.
Brookinqs
-Brookings
Number
Number
Pounds
Pounds
Ave,
Ave. Wt.
h|t.
Total
Total
--rTilffier
ilumber
o
Pounds
Pounds
Ave. Wt.
Ave.
Ht.
June
July
Aug.
Sept.
Oct.
Nov.
Colurbia Ri
Columbia
River
ver
Number
40,999
401999
Pounds
Pounds
180,968
180,968
Ave.
Ave. Wt.
llt.
4.4
4.4
69,433
69,433
357,444
357,444
5.1
5.1
470
3,909
470
3,909
21,918
2
1 , 9 1 9 3,638
3,638
5.6
7.7
5.6
7.7
0
0
0
0
r{ewport
1ewport
Number
Number
Pounds
Pounds
Ave.
Ave. Wt.
lnlt.
15,892
15,gg2
78,L26
78,126
4,9
4.9
164
90,419
90,419 39,042
2,872
164
39,042 2,872
284,607
1,321
553,041
553,041
2W,607 21,235
21,?35 1
,321
7.4
8.1
8.1
6.1
73
6"1
7.3
7.4
0
0
0
Coos.
Bay
Coos Bay
Number
Nunber
Pounds
Pounds
Ave.
Ave.Wt.
ldt.
34,555
34,555
158,233
158,233
4.6
4,5
319
319
98,200
28,312
98,200
29,312 2,798
2,798
20,090 2,272
2,272
628,283
628,283 202,281
202,28t 20,090
7.2
7.1
7
.1
6.4
7.1
6.4
7.1
7.2
0
0
0
:-
113
113
1,007
1r007
8.9
8.9
13
l3
138
138
10.6
10.6
0
0
0
0
9,692
263,699
263,699 79,771
79,771 9,692
91,995
9l,995
64,250
64,250
420,506
569,809
569,809
1,578,868
420,506 1,578,868
6.6
6.0
6
.6
6.0
4.6
7.1
7,1
4
.6
966
966
7,369
7
rfig
7.6
7.6
0
0
0
0
F
I
a
Brookinqs
Brookings
-i,'-ffiffi
Number
Pounds
Pounds
Ave.
lct.
Ave.Wt.
Total
Total
Nurber
Number
Pounds
Pounds
Ave.
Ave. Wt.
Ht.
33,063
33,063
338,115
338,115
10.2
10.2
Observed
Average Dressed
Calculated Numbers
0bservedAverage
l,leightand
Nunbersof
of Troll
Troll
DressedWeight
and Calculated
Area, 1977.
Coho
Cohoby
by Month
$lonthand
andArea,
1977.
I
o
o
6,689
6,689 3,805
3,805 3,601
3,601 1,530
1,530
25,263
62,106
6 2 , 1 0 6 40,909
40,909 45,094
45,094 25,263
9.3
10.8
12.5
9.3
16.5
10.8
12.5 165
340,014
18,359
4,141
18,359 50,432
4,141 340,014
10,463
50,432 107,568
32,70L 10,463
107,568 116,350
116,350 32,701
160,667
160,667529,857
529,9571,130,509
58,317 3,464,944
115,433 58,317
3,464,944
1,130,5091,161,457
309,7041,15,433
1,161,457308,704
10.2
8.8
10.5
9.4
11.0
14.1I
9,4
14.
10.2
10.5
10.0
8.8
10.5
11,.0
10.5
10.0
Table
Table9.
9.
I
o
10.5
10.5
5,245
5,245 2,611
2,611 197,303
197,303
33,054
1,914,892
52,898
52,898 33,054 1,g14,892
9.7
10.1
9.7
1 0 . 1 13.8
13.8
549
549
3,179
3,179
5.8
5.8
5,646
5,646
40,100
40,100
7.1
7.t
11,166
1
l,166
72,863
72,ffi3
6.5
6.5
1,251
lr25l
10,058
10,058
8.0
8.0
-
:-
-
-
Total
125,977
125,977
636,831
636,831
5.1
5.1
148,389
148,389
938,330
938,330
6.3
6.3
164,184
164,184
1,011,159
1,011,159
6.2
6.2
7,572
7,572
54,482
54,482
7.2
7.2
446,122
446,L22
2,640,802
21640,802
5.9
5
.9
ro.
'
-14-14growthwith
wittr time
tinB because
because
growth
age
in aa given
given area
area continually
ageand
andstock
stockdgffiposition
continually
Cqwosition in
fl uctuate.
fluctuate.
o
o
Coho
Coho average
average weights
weights usually
usually show
show a
a nonthly
monthly increase
increase from
from June
June through
through the
end
endof
of the
season. This
the season.
This was
wasnot
not the
in the
Astoria and
ar€as. An
An
the case
casein
the Astoria
andCoos
CoosBay
Bqyareas.
influx of
influx
of small
small fish
fish in
in September
September and
and 0ctober
October reduced
reduced the average
average weight
weight in
in these
these
two
two areas.
aleas.
poundsdressed
Theseasonal
seasonalaverage
averageweight
5.9 pounds
The
weight was
was 5.9
to
5.0 pounds
pounds in
in
dressedcompared
compared
to 5.0
1976.
!976. Average
Averageweights
weightsin
in all
areas were
ait-ireii
wereabove
ibovethe
iigiirui:'
the 1976
1976figures.
CHINOOK
MATURITY
STUDY
CHINOOK
MATURITY
STUOY
o
Efforts were
Efforts
were made
made to
obtain an
an adequate
adequate chinook
maturity sanple
sample along
to obtain
along the
chinookmaturity
the
southernOregon
0regoncoast
southern
in 1978.
coastin
Onesampler
1978. One
samplerwas
wasstationed
at sea
stationedat
sea aboard
aboardaa salmon
salmon
trcller
sanpledthe
troller and
and one
one person
person sampled
the recreational
recreationalcatch
at Charleston.
catchat
Charleston,
Theon-board
on-boardsampler
sanplertagged
The
68 chinook
tagged68
chinookshakers.
shakers. Two
Trtotags
havebeen
beenrecovered
recovered
tags have
to
to date.
date. These
both tagged
These were
were both
was recovered
taggedoff
off Crescent
in late
May. One
Onewas
CrescentCity
City in
late May.
recovered
o
off of
of Eureka
pickedup
Euvekain
in June
Juneand
andthe
off
the other
other was
waspicked
RedBluff
at the
Bluff diversion
diversion dam
up at
the Red
dam
in November.
in
Noverber.
REPORTS
REPORTS
O
Tt
paperswey€
neportsand
and papers
The
following reports
were completed
by
by the
the staff
staff during
during the
tfie 1978
1978
completed
fir.u{hi.following
fiscal
year.
RobertK.
McQueen,
Robert
McQueen,
K. 1977.
1977. 0regon
Pacific Marine
Oregon troll
report for
for the
lhrine
trrll salmon
salmonstatus
status report
the Pacific
Fisheries
Corrnission
Fisheries Commission
annual
annualmeeting.
rneting.
o
S
o
o
I
S
Lewis,Stephen
Stephen
RobertK.
of
Lewis,
L.,
and
H.
L., Robert
K. McQueen
McQueen
$hnagenent
andMalcolm
l4alcolm
of
H. Zirges.
Zirges. 1977.
1977. Management
the troll
the
troll salmon
salmonfishery.
fishery. Annual
Annual and
Report.
Oregon Department
andCompletion
Report. 0regon
tbpartrent
Completion
of Fish
Fishand
of
andWildlife.
['fildlife.