wild steelhead stock s
DESCRIPTION
Wild Steelhead Stock S. t. a. t. u. s. BC 2004. British Columbia in Perspective. 1200 km (720 mi) south to north 500-1000 km (300 – 600 mi) wide 950,000 sq km (367,000 sq mi) 75% mountains; 60% forested; 10% farmland and lakes;TRANSCRIPT
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Wild Steelhead Stock S tatusBC 2004...
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British Columbia in Perspective
1200 km (720 mi) south to north 500-1000 km (300 600 mi) wide
950,000 sq km (367,000 sq mi)
75% mountains; 60% forested; 10% farmland and lakes;
- Population Details~4.0Million total~ 60% Vancouver~16% Vancouver Island~24 % elsewhere but only 4% in northern half
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B C (Wild) Steelhead FactsAbout 580 steelhead rivers (3rd order or larger)About 630 stocks (85% WSH, 12% ISSH, 3% CSSH)About 1/3 of rivers along remote mid & N coast (seldom, if ever, fished)About 1/4 of rivers on Vancouver Island
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Guesstimates of Abundance
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Abundance (contd)
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Hatcheries in Perspective
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Number of Streams Stocked with Steelhead Juveniles Originating From Wild Brood Stock (F=fry, S=smolt) Time Island Mainland Thompson Cariboo Skeena All Period F S F S F S F S F S F S
< 1975 1 3 2 2 0 0 0 0 0 0 3 5
197584 11 15 14 8 1 1 2 0 4 1 32 25
198594 19 17 18 19 1 1 3 0 8 1 49 38
199501 11 10 6 14 1 0 0 0 0 1 18 25
2002 9 9 0? 8 0 0 0 0 0 1 9 18
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Steelhead Releases 1975 - 2001 Period Av # Fry Av # Smolts
1975-79 .07M .07M 1980-84 1.03M .60M 1985-89 1.59M .91M 1990-94 .73M .82M 1995-99 .26M .63M 2000-01 .09M .38M
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Stock Assessment Methods
Total Counts Weirs/resistivity counters (Keogh, Deadman, Sustut, Kitwanga)
Indices of AbundanceGillnet test fisheries (Fraser, Skeena)Fishwheels (Nass)Snorkel observations (some total counts)Aerial Counts (Chilko)Juvenile sampling
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Nass River Watershed
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Fishwheel Locations
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Nass River Fishwheels6 wheels operated annuallyMainly for stock assessmentLate May to late SeptemberNow operated as the sole in-season salmon indicator for the Nass
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Nass Steelhead Escapement (1994-2003)
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Tyee Test Fishery Location
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Tyee Test Fishing Site
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Skeena Test Fishery Index 1956-2003
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Tyee Test Fishery 2003
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Upper Sustut River Watershed
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Upper Sustut River Weir
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Sustut Weir CountsEstimated K = ~1100
Chart2
8231
4871992
4761993
5981994
6581995
5151996
7011997
12521998
8961999
3772000
7692001
8122002
11042003
1986 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
Sheet1
YearCount
1986823
1992487
1993476
1994598
1995658
1996515
1997701
19981252
1999896
2000377
2001769
2002812
20031104
Sheet1
1
&A
Page &P
1986 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
Sheet2
Sheet3
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Albion Test Fishery
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Trends in Chilko
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Deadman Creek Resistivity Counter
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Trends in Deadman
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Trends in Bonaparte
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Trends in Nicola
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Central Coast Index Bella Coola
Fry_ParrPLOT
31.4
14
24.1
10.5
31.3
19.4
31.5
20
39.3
28.3
27.8
26.9
34.4
30.9
Standard Fry Density (FPU)
Standard Parr Density (Age 1+ per Unit)
Stock-recruit plot for Atnarko River steelhead during 1988-2003. Fry density in Yr X versus Yearling Parr density in Yr X+1. "Hockey stick model"
Fry_Yr
198.51113.1507113.1507
89
54.58528.9300528.93005
87.4520.98820.988
39.64666666677.53286666677.5328666667
133.82553.5353.53
61.8542.676542.6765
87.31514.8435514.84355
67.463571428631.033242857131.0332428571
135.215333333320.282320.2823
107.222095238123.588860952423.5888609524
84.534523809512.680178571412.6801785714
72.967261904814.59345238114.593452381
221.564666666757.606813333357.6068133333
105.2837.900837.9008
89.903333333340.456540.4565
TRP = 100
Standard Fry Density (FPU)
Mean steelhead fry density by brood year in the Arnarko River. Target fry density is 100 FPU. LRP density (yellow band); 50-70 FPU. 95%CI = +-2SE
Fry_Parr
Brood Yearadj FPU fryParr FPU2SE in %LCLUCL
8819931.457113
89
905514parr in 19915329
918724.1922421
924010.593198
9313431.3944054
946219.4956943
958731.5961715
966720974631
9713539.3981520
9810728.3992224
998527.801513
07326.912015
122234.422658
210530.933638
3904540
33.6
rptolemy:% of fry FPU
Fry_den_Yr_Reach
341.52721988130.5156
39441993.566
227801428100
3960.3333333333191355
274.51292120257
1327319941584
29977199521.546
96.568.7142857143813373
275.3333333333113.11682.3333333333208
245.766666666792.985714285732.433333333324173
133.333333333380.571428571476.333333333372.333333333363.5
97.3333333333112.78571428576035.333333333329.35
285.3333333333250.415725494
128.6666666667112.33333333338514225
211.666666666793904711
R1
R2
R3
R4
R5
Density (FPU)
Mean steelhead fry density by reach and year in the Atnarko River
Wt_Fry_Den
58.05587.04030.01523.4
6.6314.082.4721.5059.9
38.5925.61.826.4415
6.6319.30666666672.472.998.25
46.66541.282.734.638.55
22.4423.3603.4512.6
50.8324.6404.9456.9
16.40521.988571428610.537.5910.95
46.806666666736.1922.0818.936666666731.2
41.780333333329.75542857144.21633333335.5225.95
22.666666666725.78285714299.923333333316.63666666679.525
16.546666666736.09142857147.88.12666666674.4025
48.506666666780.12820.4158.4214.1
21.873333333335.946666666711.0532.663.75
35.983333333329.7611.710.811.65
R1
R2
R3
R4
R5
Fry Density (FPU)
Weighted mean steelhead fry density by reach and year for the Atnarko River.
Fry_WUA
Site and Strata Summary of Steelhead Fry Densities (WUA adjusted) in the Atnarko River Aggregate
198819901991199219931994199519961997199819992000200120022003
StrataSite ID
1AT0082183224119631814331635015681207105195
1AT02921818094883517050
1AT04755139236463086828050292207150123298211390
1AT050132
2AT108351831166321773545215315712117134571103
2AT12129677331197294158845958
2AT1223678
2AT12346115180
2AT17875156376413370112
2AT2012069335687243627963
2AT21816954441417310041643340962546848
2CC015672169980103127107
CC01250
2YO0051689912412673
3AT2575433
3AT2648116337755157112145
3AT269191419214510119655835
4AT3181226828132015282871595016714234
4AT34013915112261212
4HO0091193310739464434160
5BB01715666100552578446732101636643942511
5BB0502061836115
GeoMean207407238956767601106872662119076Reach12345Reach12345
times/div1.532.281.251.441.5YearYear
Aggregate Average19955874013462876713510785732221059019883422721311561988588703023
Var_all1532.333333333319903944199466199071422210
Cases877876812191818171213161991227801428100199139262615
Mean1341.539227392751322999727524613397285129212199239601913551992719238
SD 129613104791276651923423737317119932751292120257199347413539
Var1877815401629822458192722432526098378116950653045390291081994132731584199422230313
Mean 2272448060129737769113938111325011293199529977224619955125057
SD 29355511812403362525135411468543199697698133731996162211811
Var28713304225923291548801058379327462592123416742122072611825199727511316822081997473621931
Mean 319141921811632766015785901998246933224173199842304626
SD 322437387819991338176726419992326101710
Var32634911849501458605020009711360352920001736884
Mean 413194281320152233822472352541424720012852501572549420014980205814
SD 4123694716772012318200212911285142252002223611334
Var41451301854173382003212939047112003363012112
Mean 515666100552578446732081736429942511
SD 5314420
Var54997914820013389
SE of Mean56.914.510.63.726.921.37.615.69.911.66.27.329.118.820.0
2SE113.728.921.37.453.842.715.331.319.823.212.414.658.337.740.1
%Mean57532419406917461522152026364534
35.698.651.363.1
Precision292034923711710131822
Mean104.0
SD92.62
SE23.2
Ratio0.445
Ronald Allen Ptolemy:Meat Hole
Ronald Allen Ptolemy:Old Boat Launch; 200m d/s Algers Creek
Ronald Allen Ptolemy:Belarko
Ronald Allen Ptolemy:"Atnarko"
Ronald Allen Ptolemy:Hotnarko Mouth; Line Cabin
Ronald Allen Ptolemy:downstream Stillwater Lake
Ronald Allen Ptolemy:d/s Young Creek
Ronald Allen Ptolemy:Fisheries Pool
Ronald Allen Ptolemy:Corbould's Bridge
Ronald Allen Ptolemy:Atnarko Campground
Ronald Allen Ptolemy:Dave's Hole
Fry
Site and Strata Summary of Steelhead Fry Densities (unadjusted) in the Atnarko River Aggregate
198819901991199219931994199519961997199819992000200120022003
StrataSite ID
1AT0082193217614624811330014095381556345
1AT02920714963582334919
1AT047551381521163010029884117
1AT050115391624311466143
2AT108287507961113404223757393651312745
2AT1212045546104435295602941
2AT1222271
2AT1232177106
2AT17822297028391004661
2AT2011696835435927914045
2AT2181135202823444821492024361326135
2CC0154820398427710264
2CC01249
2YO005101609212651
3AT2572614
3AT264386165424474827
3AT2691179651315519182712
4AT318973822121913122112389301175724
4AT3401091867
4HO00910610724372223241
5BB01786446942905130678070493329196
5BB0502061064210
GeoMean15928.647.127.552.947.345.238.676.039.039.638.012349.736.9
Cases87787671319181817121316176
Ronald Allen Ptolemy:Fisheries Pool
Ronald Allen Ptolemy:Corbould's Bridge
Ronald Allen Ptolemy:Belarko
Ronald Allen Ptolemy:Old Boat Launch; 200m d/s Algers Creek
Ronald Allen Ptolemy:Meat Hole
Ronald Allen Ptolemy:Dave's Hole
Ronald Allen Ptolemy:Atnarko Campground
Ronald Allen Ptolemy:d/s Young Creek
Ronald Allen Ptolemy:"Atnarko"
Ronald Allen Ptolemy:Hotnarko Mouth; Line Cabin
Ronald Allen Ptolemy:downstream Stillwater Lake
Ronald Allen Ptolemy:Camera Channel at Hill
Ronald Allen Ptolemy:Young Creek below lower bridge
rptolemy:Biased low due to rewatering of braid after near zero flows
AT108_MeanfryFPU
1981156
1982163
1983202
19841984
19851985
19861986
19871987
198.51351
19891989
54.58583
87.45116
39.646666666763
133.825217
61.8573
87.31554
67.463571428652
135.2153333333153
107.2220952381157
84.5345238095121
72.9672619048171
221.5646666667345
105.2871
89.9033333333103
Mean
Site
Density (FPU)
Site AT108 density versus Atnarko River mean steelhead fry density by year. All density metrics standardized to WUA = 1.00
Site_Stream
351
83
116
63
217
73
54
52
153
157
121
171
345
71
103
Mean Density (FPU)
Site Density (FPU)
Correlation between local site density (AT108_Boat Launch) versus mean Atnarko River steelhead fry density for 18 years of record.
AT121
304
54.585
87.45
77
133.825
61.85
87.315
33
119
49.4
94
158
171
32
58
Mean Density (FPU)
AT121 Density (FPU)
Correlation bewteen AT121 (Meat Hole Site) and mean Atnarko steelhead fry density.
Annual_fry_singlesite
YearMeanAT108CanoeAT121
1980
1981156
1982163
1983202
1984
1985
1986
1987
1988199351304
1989
19905583
19918711612
1992406377
19931342178
19946273
1995875418
19966752233
1997135153119
19981071571049
199985121394
200073171158
200122234518171
20021057132
20039010358
15
Count18
Ronald Allen Ptolemy:Meat Hole
Spawners_Method
1296.78021978021988
355.70225274731990
569.8664835165647.0588235294
258.35684981681992
872.06840659341993
403.04450549451994
568.9867582418270.5882352941
439.6252511774263.1578947368
881.12849084251000
661.0294502878142
550.8678309785837.037037037
475.4899594453604
1443.82249816851928.5714285714
686.0553846154909.0909090909
556.6271611722555.5555555556
Fry-based
Snorkle
Spawners
Steelhead escapement estimates by Brood Year for the Atnarko River using two independent methods.
Fry_Snorkel
647.0588235294
258.3568498168
872.0684065934
403.0445054945
270.5882352941
263.1578947368
1000
142
837.037037037
604
1928.5714285714
909.0909090909
555.5555555556
Spawners (Fry based)
Spawner (Snorkel based)
Scatterplot for two independent steelhead escapement methods for the Atnarko River.
Snorkel
Summary of late Winter Snorkel Surveys of the Atnarko River
YearDateMethodSection 1Section 2TotalReliabilityReasons
1977Mar.16-17snorkel9145154Lowtoo few crew
1982Mar.29boat9090Lownot calibrated
1991Mar.15aerial217293Lowbiased low
1995Feb.28aerial311546Lowbiased low
1996Mar.25aerial1684100Lowbiased low
1997Feb.21-23aerial+snorkel15103118Moderatemix of techniques
1998Apr.5-11aerial+snorkel205171Lowtoo few crew
1999Mar.4-5snorkel180272452Highadequate crew and good sighting conditions
2000Mar.7-9snorkel5893151Highadequate crew and good sighting conditions
2001Mar.5-7snorkel185355540Highadequate crew and good sighting conditions
2002Mar.26-28snorkel40254294Highadequate crew and good sighting conditions
2003Mar.27-29snorkel9985184Highadequate crew and good sighting conditions
Section 1 is below Young Creek
Section 2 is above Young Creek
rptolemy:Below Young Creek
rptolemy:Above Young Creek
Escap_LGLestBC
1706.28976286871683
468.0292799306881
749.8243204164729
339.9432234432794
1147.4584297282741
530.3217177559575
748.6667871602225
578.4542778651996
1159.37959321381280
869.7755924841350
Fry Based
LGL
Escapement
Trends in steelhead escapements to the Bella Coola River according to two independent means.
BC_Dean
1706.28976286874903.4892857143
468.02927993064789.9821428571
749.82432041643325.7142857143
339.94322344322840.3678571429
1147.45842972823144.8785714286
530.32171775593183.3321428571
748.66678716023408.8571428571
578.4542778654804.6178571429
1159.37959321383818.3357142857
869.7755924844563.5035714286
724.82609339283245.6892857143
625.64468348072925.5892857143
1899.76644495863620.8714285714
902.70445344134707.9642857143
732.40415943714624.8214285714
Bella Coola
Dean
Spawners
Trend in steelhead brood strength for the Bella Coola River and Dean River.
Bella_Dean_Corr
4903.4892857143
4789.9821428571
3325.7142857143
2840.3678571429
3144.8785714286
3183.3321428571
3408.8571428571
4804.6178571429
3818.3357142857
4563.5035714286
3245.6892857143
2925.5892857143
3620.8714285714
4707.9642857143
4624.8214285714
Bella Coola Escapement
Dean Escapement
Scatterplot of steelhead escapement by Brood Year for the Bella Coola and Dean rivers.
Corr_Fry_LGL
1683
881
729
794
741
575
225
578.454277865
1280
1350
Fry-based Escapement
LGL Escapement
Scatterplot of two independent merasures of steelhead escapement for the Bella Coola River.
Fry_Snorkel_Count
87.315
67.4635714286
135.2153333333
101.4395952381
84.5345238095
72.9672619048
221.5646666667
105.28
85.4183333333
1999
Adult Count
Fry DEsnity (FPU)
Scatterplot of March snorkel count of steelhead versus mean fry density in the Atnarko River.
Escap_LRP_TRP
1706.28976286874501350
468.02927993064501350
749.82432041644501350
339.94322344324501350
1147.45842972824501350
530.32171775594501350
748.66678716024501350
578.4542778654501350
1159.37959321384501350
869.7755924844501350
724.82609339284501350
625.64468348074501350
1899.76644495864501350
902.70445344134501350
732.40415943714501350
Escapement
LRP
TRP
Adults
Annual escapement trend in the Bella Coola River for steelhead based on fry data since 1988. LRP = limit reference point; TRP = target reference point for maximum parr/smolt production; 4500 adult capacity.
Strata Weight
StreamReachOrderDescriptionWidth (m)Length%WUAUsableFry PopSmoltsAdultsAdults%Total AdultsMinMinimum Escapement by YearBroodfrysnorkel
wetted(km)St fryUnits (100 sq.m)CriticalN (maiden)N+repeats%Escapement198819901991199219931994199519961997199819992000200120022003YearEscape1Escape2RatioRecipEscape 1 BCLRPTRPLGL BCDeanMarch CountFry Den
Atnarko16Bella Coola to 11km34.89.691242742700395051361613.7146Mean Fry Density199558740134628767135101857322210585198812971706450135016834903
Atnarko2611km to above Young Cr.33.912.71257357300530068982718.4196Fry Pop47202812947620743194042317433146708207111160024320731240615200516173078525551249724202612199035646845013508814790
Atnarko36low gradient above Young Cr.32.36.5153103100028683734479.9106Artnarko Aggreg Escapement1297356570258872403569440881661551475144468655719915706470.881.1475045013507293326
Atnarko46low gradient to Stillwater L.27.66202742740025353293958.894Total Escapement1706468750340114753074957811598707256261900903732199225834045013507942840
Atnarko56Stillwater L. to Lonesome L.23.24108888008141061272.830%Capacity38%10%17%8%25%12%17%13%26%19%16%14%42%20%16%1993872114745013507413145
Atnarko66above Lonesome L.20.25151231230011381481773.942199440353045013505753183
Mosher13accessible length to barrier3.30.820550046670.2219955692712.100.487494501350225340946871995
Young15accessible length to barrier9.62201261260011661521824.04319964402631.670.6057845013504805100671996
Hotnarko15accessible length to barrier14.43.5202972970027473574299.5102199788110000.881.1311594501350128038181181351997
Total Atnarko51.31682222300205632673320871.376019986611424.660.21870450135013504564711011998
19995518370.661.5272545013503246452851999
Thorsen14accessible length to barrier12.42.53588440040753631.41520004756040.791.2762645013502926151732000
Noohalk13accessible length to barrier5.335075375034745541.2132001144419290.751.341900450135036215402222001
Snootli13accessible length to barrier7.443598490045359711.61720026869090.751.33903450135047082941052002
Fish12accessible length to barrier1.62.55038190017623270.6620035575561.001.0073245013504625184852003
Salloompt14accessible length to barrier18.14372421210011191461753.941
Nusatsum15accessible length to barrier2315416884007771011212.729
Noosgulch14accessible length to barrier16.513558290026835420.910
Burnt Bridge14accessible length to barrier14.843536036000333043351911.5123
Total Tribs1361125743506877894107323.8254
Bella Coola17mouth to Atnarko River64.260414401440013321732084.649
Total Bella Coola147.342474043513104337404488100.01063Fraction of total population required for seeding requirements assuming a constant marine survival of 13% is 35%total; allowable exploitation rate is typically less than 65%
Atnarko Aggegate45.1923723423811
Ratio0.76
rptolemy:Count in 1987 and spawn in 1988
-
Lower Fraser CSSH Index
Chart1
49.1133
35.7160
17029.6
2152.3
40079.3
63.7300
71.9300
105.1288
473122
23385.9
60063.7
53357.4
37873.6
61.6206
58117
110
9.374
23.948
46.5218
92
93
94
91
84
86
90
85
81
89
87
88
83
95
80
79
78
77
82
Clean
Sediment
Adult Run Estimate
Standardized FPU
Scatterplot of Summer Steelhead Fry Counts in Suitable Habitats on Previous Year's Adult Run Estimate for the Coquihalla River near Hope, BC. Hatchery fry stocked during 1981-1987. Sediment influence during 1979-81, 1985-89. Brood Year Label.
Chart2
11621070
18921070
13321070
16021070
17021070
21521070
40021070
30021070
30021070
28821070
47321070
23321070
53721070
53321070
37821070
20621070
11721070
021070
7421070
4821070
21821070
12421070
57921070
22121070
28721070
7921070
27021070
38121070
60021070
21821070
&F
Page &P
Count
TRP
LRP
Year of Return
Count
Summer Steelhead Run Size (Snorkel Count of Wild plus Hatchery) for the Coquihalla River near Hope, B.C.; August-October counts. LRP =Limit Reference Point (10%). TRP = 0.3*700.
S-R Chart
176
132
154
145
125
71
436
210
164
153
85
233
74
48
217
116
240
142
287
79
270
324
600
Heavy sedimentation years
Floods
Snorkel Count in Year X (Stock)
Count in Year X+6 (Recruits)
Stock-recruit scatterplot for summer steelhead in the Coquihalla River during 1974-2001.
Chart4
1160210
1890210
1330210
1600210
1700210
19421210
176224210
132168210
154146210
145143210
125348210
71162210
436101210
210323210
164214210
15353210
8532210
091210
740210
480210
2171210
1168210
240360210
14279210
21572210
6316210
25713210
33150210
46860210
18433210
?
?
W
H
TRP
Count
Coquihalla CSSH Counts (Wild + Hatchery) Estimated K = 700
COQSN1
SUMMARY OF ADULT STEELHEAD RUN SIZE AND COMPOSITION TO THE COQUIHALLA RIVER (UPSTREAM OF TUNNELS)
P. Bech estimate!adjFPUStockRecruit
SummerSnorkelTotalBrood YearTotalCleanSedimentSummerWildHatcheryLRPTRPSmolt ReleaseWild Count
of YearCountRun!Runin Brood Yrof YearIn Year-2Run/Stock YearRecruit YearCount 12R/SComments on S/R ratio
7411675116741160702100197419801161761.52
7518976189751890702100197519811891320.70
761337713349.1761330702100197619821331541.16
771607816035.7771600702100197719831601450.91
781707917029.6781700702100197819841701250.74
79215802152.3791942170210175019791985215710.33Pipeline twinning sediment release/Dec. 26, 1980 Flood of 490 cms
804008140079.3801762247021026203198019864004361.09
813008230063.7811321687021040195198119873002100.70
823008330071.9821541467021041018198219883001640.55Sediment impacts caused by highways
8328884288105.1831451437021043900198319892881530.53Sediment impacts caused by highways
844738547312284125348702104820519841990473850.18Sediment impacts caused by highways
852338623385.98571162702103289719851991233Sediment impacts caused by highways
865378760063.786436101702103132319861992537740.14Sediment impacts caused by highways
875338853357.487210323702101690019871993533480.09Sediment impacts caused by highways
883788937873.6881642147021016025198819943782170.57562 cms flood on Nov.10, 1990
892069020661.68915353702100198919952061160.56562 cms flood on Nov.10, 1990
901179111758908532702100199019961172402.05
91??????9210191Turbid conditions70210019911997142
927493749.39274070210019921998742873.88
9348944823.9934807021001993199948791.65
942189521846.5942171702100199420002182701.24533 cms flood on Nov.29, 1995
95124961249511687021031489199520011243242.61
9657997579962403607021024839199620025796001.04
97221982219714279702101380019972003221
982879928798215727021019982004287
9979079996316702101999200579
027010257137021020002006270
138121331507021020012007381
252832468607021020022008600
321721731843370210Pair Count22
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COQSN1
116
189
133
160
170
194
176
132
154
145
125
71
436
210
164
153
85
0
74
48
217
116
240
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Year of Return
Wild Adults
Wild Summer Steelhead Run Size by Year for the Coquihalla River near Hope, B.C.
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
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Wild or Unmarked
Hatchery Adults
Required Escapement
Smolt Release 2 yrs earlier
Year
Count
Smolts
Annual Counts of Summer Steelhead in the Coquihalla River near Hope, BC
-
WILD STEELHEAD RETURNS TO THE KEOGH RIVER 1976 to 2003
- The capacity for smolts dropped from 7,000 (>10,000 with nutrient addition) to
- Smolt-to-adult survival trends2001 estimate based on partial returns.SAS has dropped from average of 15% to
-
Steelhead smolt yield and adult returns at the Keogh River, B.C.
Chart2
356197106
156212.237458194
1051215.0732516911
462170.2255639098
301838.5714285714
104458.5
93736
1784106
2355139
98593
185058
222
653
197
212.237458194
215.0732516911
170.2255639098
106
1976 to 1989
1990 to 2000
SMOLTS
ADULT RETURNS
obsexpctd
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obsexpctd
15.187713310615.6134
7.41444866928.003
15.23188405818.875
8.48.5466
25.367739766322.6802
26.113.439
15.479927308816.7006
18.342586880516.157
25.298098614215.6134
10.02748651126.9158
13.327570059812.8954
6.67067307699.0902
15.379180405113.9826
6.287902968412.8954
3.552685942322.1366
3.010965304410.721
3.287477093718.3314
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observed survival rate
Expected based on smolt size
OCEAN ENTRY YEAR
SURVIVAL (%)
length
-0.395
meancalc
yearsmoltslengthsurvival
negbinomstndrdzd
197715.190.483.041977234417.415.19-1.8846834198-1.8850.689Column1Column1
19787.41-0.492.0019782104167.41-2.6017395666-2.602-0.21377-9677-89BinFrequency
197915.230.492.72197969001815.23-1.8817793197-1.8820.693Mean-2.4324476978Mean-1.9531430545-2.8-2.80
19808.40-0.372.131980550016.18.40-2.4769384801-2.477-0.056Standard Error0.1777284283Standard Error0.1271785102-2.55-2.552
198125.371.753.2319811189718.725.37-1.3716919071-1.3721.335Median-2.3883893463Median-1.8817793197-2.35-2.351
198226.101.853.261983605317.615.48-1.8656260137-1.3431.370ModeMode-2.15-2.151
198315.480.522.741984972617.518.34-1.6959446778-1.8660.713Standard Deviation0.7948256943Standard Deviation0.4585486397-1.95-1.951
198418.340.882.911986982315.810.03-2.2998402125-1.6960.927Sample Variance0.6317478843Sample Variance0.210266855-1.75-1.754
198525.301.753.2319871388116.913.33-2.0153353595-1.3741.331Kurtosis-1.1545908681Kurtosis-0.9340657202-1.55-1.551
198610.03-0.162.311988332816.26.67-2.7074494201-2.3000.167Skewness-0.2900616897Skewness-0.2568849557-1.35-1.352
198713.330.252.591989424617.115.38-1.872155513-2.0150.525Range2.4568702176Range1.3642145484More1
19886.67-0.581.901990313316.96.29-2.7665425622-2.707-0.346Minimum-3.8001050892Minimum-2.7074494201
198915.380.512.731991597418.63.55-3.3374662651-1.8720.705Maximum-1.3432348717Maximum-1.3432348717
19906.29-0.631.841992714316.53.01-3.5029094595-2.767-0.420Sum-48.6489539551Sum-25.3908597083
19913.55-0.971.271993517817.93.29-3.4150497562-3.337-1.139Count20Count13
19923.01-1.041.101994146116.32.64-3.6343646018-3.503-1.347Confidence Level(95.0%)0.3719899911Confidence Level(95.0%)0.277098165
19933.29-1.001.191995146618.3-3.415-1.236CV-23.4774733315
19942.64-1.090.971996152017.1-3.634-1.512
19953.27-1.011.191997130917.9-3.419-1.241-2.0840999783-1.7038731745
19962.24-1.140.81-3.800-1.721-2.7807954172-2.2024129345
include ElNino0.124419049612.44%0.181977327418.20%
Column10.06198918056.20%0.110536119911.05%
Mean11.3258734015
Standard Error1.7899028106
Median9.2137432556
Mode
Standard Deviation8.0046887153
Sample Variance64.0750414286
Kurtosis-0.7442808881
Skewness0.6296325009
Range23.8631578947
Minimum2.2368421053
Maximum26.1
Sum226.5174680291
Count20
Confidence Level(95.0%)3.7463108016
Column1
exclude El NinoBinFrequency
Mean13.71174636794.04.00
Standard Error1.648337038.08.02
Median15.187713310612.012.02
Mode16.016.05
Standard Deviation5.466915456420.020.01
Sample Variance29.887164607711.6233154326k24.024.00
Kurtosis0.750335780528.028.03
Skewness0.67403688232.032.00
Range18.6970666894More0
Minimum6.67067307690
Maximum25.3677397663
Sum150.8292100464
Count11
Confidence Level(95.0%)3.6727244132
0.2285714286
Column1
197715.193.04BinFrequency
19787.412.00Mean2.5734267161.81.80
197915.232.72Standard Error0.13134625282.22.23
19808.402.13Median2.72339086632.62.62
198125.373.23Mode334
198315.482.74Standard Deviation0.43562623813.43.42
198418.342.91Sample Variance0.1897702194More0
198610.032.31Kurtosis-1.0503465187
198713.332.59Skewness-0.2354055987
19886.671.90Range1.3357575129
198915.382.73Minimum1.8977207659
Maximum3.2334782788
Sum28.3076938759
Count11
Confidence Level(95.0%)0.2926577396
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mean smolt length
smolt-to-adult survival
adsmolt
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Frequency
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Frequency
Histogram
Sheet1
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Frequency
Bin
Frequency
Histogram
survival
0
0
0
0
0
0
0
0
0
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Frequency
Bin
Frequency
Histogram
smolts
0
0
0
0
0
0
0
0
0
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Frequency
Bin
Frequency
Histogram
regimes
0
0
0
0
0
0
0
0
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Frequency
Bin
Frequency
Histogram
stats
0
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0
0
0
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Frequency
Bin
Frequency
Histogram
Chart1
0
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0
0
0
0
0
0
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0
0
0
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smolt year
standarized survival
size-surv
0
0
0
0
0
0
0
0
0
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Frequency
Bin
Frequency
Histogram
Sheet2
0
0
0
0
0
0
0
0
0
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Frequency
Bin
Frequency
Histogram
KEOSURV
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Elliott 1971 p33
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Frequency
Bin
Frequency
Histogram
0
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smolt year
standardized survival
yearsmoltsReturns
19772344356
19782104156
197969001051
19805500462
1981118973018
198240001044
19836053937
198497261784
198593092355
19869823985
1987138811850
19883328222
19894246653
19903133197
19915974212
19927143215
19935178170
1994146138.5714285714
19951466
19961520
19971309
1500
0.030.15
45225
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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00
00
00
00
00
0
0
0
0
0
0
0
0
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1977 to 1989
1990 to 1994
SMOLTS
ADULTS
length
17.4
16
18SUMMARY OUTPUT
16.1
18.7Regression Statistics
17Multiple R0.3178969999
17.6R Square0.1010585026
17.5Adjusted R Square0.0411290694
17.4Standard Error7.5664402426
15.8Observations17
16.9
16.2ANOVA
17.1dfSSMSFSignificance F
16.9Regression196.541913344696.54191334461.6862916470.2137004315
18.6Residual15858.765269179657.2510179453
16.5Total16955.3071825242
17.9
16.3CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%
18.3Intercept-35.8840046837.5699494302-0.95512517910.3546549428-115.962505545844.1944961857-115.962505545844.1944961857
17.1X Variable 12.84085877752.18767750221.29857292710.2137004315-1.82206830677.5037858617-1.82206830677.5037858617
RESIDUAL OUTPUTPROBABILITY OUTPUT
ObservationPredicted YResidualsStandard ResidualsPercentileY
113.54693804911.64077526150.21684903452.94117647063.0109653044
29.5697357606-2.1552870914-0.28484822758.82352941183.2874770937
315.2514533156-0.0195692577-0.002586322914.70588235293.5526859423
49.8538216383-1.4538216383-0.192140767920.58823529416.2879029684
517.24005445998.12768530641.074175576126.47058823536.6706730769
612.410594538113.68940546191.809226667132.35294117657.4144486692
714.11510980461.36481750410.18037775538.23529411768.4
813.83102392694.51156295360.596259642444.117647058810.0274865112
913.546938049111.75116056511.55306328855013.3275700598
109.00156400511.02592250620.135588529555.882352941215.1877133106
1112.12650866041.20106139940.158735331461.764705882415.231884058
1210.1379075161-3.4672344392-0.45823852867.647058823515.3791804051
1312.69468041592.68449998920.35479035173.529411764715.4799273088
1412.1265086604-5.838605692-0.771644988279.411764705918.3425868805
1516.9559685822-13.4032826399-1.771411946785.294117647125.2980986142
1610.9901651493-7.979199845-1.054551359691.176470588225.3677397663
1714.9673674379-11.6798903442-1.543644034797.058823529426.1
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0
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0
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X Variable 1
Residuals
X Variable 1 Residual Plot
15.18771331060
7.41444866920
15.2318840580
8.40
25.36773976630
26.10
15.47992730880
18.34258688050
25.29809861420
10.02748651120
13.32757005980
6.67067307690
15.37918040510
6.28790296840
3.55268594230
3.01096530440
3.28747709370
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Y
Predicted Y
X Variable 1
Y
X Variable 1 Line Fit Plot
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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Sample Percentile
Y
Normal Probability Plot
15.1877133106
7.4144486692
15.231884058
8.4
25.3677397663
26.1
15.4799273088
18.3425868805
25.2980986142
10.0274865112
13.3275700598
6.6706730769
15.3791804051
6.2879029684
3.5526859423
3.0109653044
3.2874770937
2.6400704019
3.9904502046
2.3684210526
8.0977845684
14.5855194124
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smolt year
Smolt-to-Adult Survival rate (%)
smolt yearnumber5-yr running average
19772344
19782104
197969005749
198055006080.2
1981118976870
198240007435.2
198360538197
198497267782.2
198593099758.4
198698239213.4
1987138818117.4
198833286882.2
198942466112.4
199031334764.8
199159745134.8
199271434577.8
199351784244.4
199414613353.6
199514662186.8
199615201341.8
19971309
1998953
19992067
2344
2104
6900
5500
11897
4000
6053
9726
9309
9823
13881
3328
4246
3133
5974
7143
5178
1461
1466
1520
1309
953
2057
annual smolt yield
smolt year
# steelhead smolts
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Year
Number of Smolts
KEOGH RIVER STEELHEAD SMOLTS
356197106
156212.237458194
1051215.0732516911
462170.2255639098
301838.5714285714
104458.5
93736
1784106
2355139
98593
185058
222
653
197
212.237458194
215.0732516911
170.2255639098
106
1976 to 1989
1990 to 2000
SMOLTS
ADULT RETURNS
356197
156212.237458194
1051215.0732516911
462170.2255639098
301838.5714285714
104458.5
937
1784
2355
985
1850
222
653
197
212.237458194
215.0732516911
170.2255639098
1976 to 1989 smolts
1990 to 1995 smolts
SMOLTS
ADULT RETURNS
Keogh Steelhead
Column1Column1
Mean15.5559468201Mean3.7949253192
Standard Error1.8645994509Standard Error0.532842514
Median15.231884058Median3.420081518
ModeMode
Standard Deviation6.7229089283Standard Deviation1.3051922726
Sample Variance45.1975044589Sample Variance1.7035268685
Kurtosis-0.8964959838Kurtosis3.6042879033
Skewness0.4133818784Skewness1.7991466475
Range19.4293269231Range3.6478325665
Minimum6.6706730769Minimum2.6400704019
Maximum26.1Maximum6.2879029684
Sum202.2273086607Sum22.7695519153
Count13Count6
Confidence Level(95.0%)4.0626131363Confidence Level(95.0%)1.3697130496
15.1877133106
7.4144486692
15.231884058
8.4
25.3677397663
26.1
15.4799273088
18.3425868805
25.2980986142
10.0274865112
13.3275700598
6.6706730769
15.3791804051
6.2879029684
3.5526859423
3.0109653044
3.2874770937
2.6400704019
3.9904502046
2.3684210526
8.0977845684
Smolt year
survival (%)
4.1052631579197715.19
19787.41
197915.23
19808.40
198125.37
198226.10
198315.48
198418.34
198525.30
198610.03
198713.33
19886.67
198915.3815.566.7229089283
19906.29
19913.55
19923.01
19933.29
19942.64
19953.993.791.3051922726
1996
1997
1998
15.187713310626.16.2879029684
7.414448669225.29809861423.5526859423
15.2318840583.0109653044
8.43.2874770937
25.36773976632.6400704019
15.47992730883.9904502046
18.3425868805
10.0274865112
10.0274865112
13.3275700598
6.6706730769
15.3791804051
1976 to 1989
El Nino
1990 to 1995
Smolt Length (cm)
Smolt-to-adult survival (%)
yearsmoltslengthpinkpinks
abundancetotalt-1
2100lengthdeviatn
1977234417.421002100480000.235215850317.40.28609345954800017.4
19782104164800048000200-0.867430535216-1.294949343220016
197969001820020035000-0.0646670579180.96368323213500018
1980550016.135000350000-0.872044118416.1-1.182017714416.1
19811189718.730000-0.18000663818.71.75420463353000018.7
1982400017300003000015000-0.526025378217-0.16563305551500017
1983605317.6150001500025000-0.29534621817.60.51195671712500017.6
1984972617.5250002500032650-0.118876660517.50.39902508833265017.5
1985930917.432650326501000001.434747483117.40.286093459510000017.4
1986982315.8100000100000700-0.855896577215.8-1.520812600770015.8
19871388116.9700700500000.281351682316.9-0.27856468435000016.9
1988332816.25000050000500-0.860510160416.2-1.069086085650016.2
1989424617.15005001500002.588143283817.1-0.052701426815000017.1
1990313316.91500001500000-0.872044118416.9-0.278564684316.9
1991597418.60800000.973389162818.61.64127300478000018.6
1992714316.58000080000
1993517817.937803.333333333317.1466666667
1994146116.343350.25319857950.8854915234
1995146618.3
1996152017.1
1997130917.9
199895317.2
1999205719.3
2000233816.8
mean5538
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Sthd smolt length
Pink salmon abundance (y-1)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
00
00
00
00
00
00
00
0
0
0
0
0
0
0
Odd-year pinks
Even-year pinks
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Odd Years
Even Years
Smolt Year
Smolt Length (cm)
KEOGH SMOLT-TO-ADULT SURVIVALKeogh River
RETURNScalcexpctdsize-adjtdTOTALyear ofexpectedmeasured escapemnt100079
yearsmoltsmalesfemalesReturnslengthsurvivalsurvivaldiffsurvexpecteds+2s+3escapementescapementesc120002048
y+1y+2y+3y+1y+2y+3
0.10.20.30.10.20.3returnocean2ocean3
19772344101134501266235617.415.1915.610.4315.19366243123197762515.19-1.88468341985.8749307309Regression Statistics
197821041404004827156167.418.000.5915.021681036519787067.41-2.60173956665.0498560072
197969003291263022726710511815.2318.883.6411.971302893409197929915.23-1.88177931976.9574973709Multiple R0.8365164023
19805500012980011413946216.18.408.550.1515.4747029018019802262098.40-2.47693848016.1355648911R Square0.6997596912
1981118976714832662877323301818.725.3722.68-2.6918.3026981918780198195860825.37-1.37169190718.0123496393Adjusted R Square0.6228366143
1982400069344121027723310441726.1013.44-12.6628.27538349188198270093826.10-1.34323487176.9508147684Standard Error479.6020768619
198360539125217026332393717.615.4816.701.2214.39101167933219832098273015.48-1.86562601376.8426832822Observations14
1984972643323330253862178417.518.3416.16-2.1917.801571104952219841130134418.34-1.69594467787.4866133131
1985930906664060780503235517.425.3015.61-9.6825.301453965488198586758025.30-1.37444094677.7642960065Analysis of Variance
198698230315263021519298515.810.036.92-3.1118.7367941226719861381123710.03-2.29984021256.8926416412dfSum of SquaresMean SquareFSignificance F
198713881114344980304603185016.913.3312.90-0.4316.051790115663419871487293913.33-2.01533535957.5229409181Regression16969239.450877696969239.4508776930.29864985150.0001352932
198833284101160762522216.26.679.092.4213.19303188115198890017786.67-2.70744942015.4026773819Residual132990235.97769373230018.152130287
198942460141182305324765317.115.3813.98-1.4017.0159438820619891424129015.5615.38-1.872155513-1.95314305450.14182759846.4815771293Total149959475.42857143
19903133858310366419716.96.2912.906.619.01404261143199082113746.29-2.76654256225.2832037287
19915974062570296421218.63.5522.1418.580.00132293538719915032773.55-3.3374662651CoefficientsStandard Errort StatisticP-valueLower 95%Upper 95%
199271431224720139421516.53.0110.727.717.9076648428219924675403.01-3.5029094595
19935178579310312417017.93.2918.3315.040.57949647302199310782403.29-3.4150497562Intercept0
1994146177201673916.32.649.636.998.62141885319948711932.64-3.6343646018
199514660221201785918.33.9920.5116.52-0.90301209911995929332
19961520231303163617.12.3713.9811.614.0021313974199639075geomean
19971309520240223510617.98.1018.3310.235.3824016476199726262
199895338740223213917.414.5915.611.0314.5914999501998230
199920574375011369318.94.5223.7719.25-3.634893511381998237
2000233803402458172.480001998175
2001201030317.50.150001998401
2002187416.80001998138
mean55381021013311661827021711.0714.984120779522257new average12.3-2.39.67x10.17119383260.017049406410.04104357090.00000008880.13436083650.2080268287
survival%=5.436(lengthcm)-78.973new regime3.76-3.333.57
14.9752608696length-based14.98
14393.79
90.6899479913Age comp %
3410.1880953385smltyr0.10.20.3
19772.8167.1330.06
19780.6456.4142.95
19790.2949.2950.43
19800.0052.6047.40
19812.2978.2019.52
19826.6159.4833.91
19830.9641.4157.63
19840.2232.7966.98
19850.0061.4038.60
19860.0053.8146.19
19870.5939.8959.51
19881.8079.7318.47
19894.5929.7165.70
19904.0647.7248.22
19910.0042.8857.12
19925.5817.0677.36
19932.9464.7532.31
199417.0459.6323.33
19950.0066.6733.33
ave to 872.6552.6644.69
23443567.75961415075.8749307309Regression Statistics
21041567.65159557395.0498560072
690010518.83927669066.9574973709Multiple R0.8868762054
55004628.61250337126.1355648911R Square0.7865494037
1189730189.38404154658.0123496393Adjusted R Square0.767144804
400010448.29404964016.9508147684Standard Error0.4357436626
60539378.70830929596.8426832822Observations13
972617849.1825579917.4866133131
930923559.13873695317.7642960065Analysis of Variance
98239859.19248185376.8926416412dfSum of SquaresMean SquareFSignificance F
1388118509.53827627767.5229409181Regression17.69632639947.696326399440.53417319260.0000532063
33282228.11012680195.4026773819Residual112.08859793420.1898725395
42466538.35373264236.4815771293Total129.7849243335
CoefficientsStandard Errort StatisticP-valueLower 95%Upper 95%
Intercept-4.65693254251.7912148929-2.59987372870.0232313129-8.5993719341-0.7144931508
x11.31170282410.20602731096.36664536410.00003574850.85823954081.7651661074
153.374
1924.006
140.016757514
151.3181716151027
166.12032193730
1711.222323438
1816.426373842
1921.4
2026.1
2130.3
2233.7
2336.2
2437.6
2636.2
2636.2
&f
Page &p
SMOLTS
ADULTS
&F
Page &P
MEAN SMOLT LENGTH (CM)
SURVIVAL RATE (%)
'82
BACK-CALCULATED SMOLT LENGTH (cm)
SURVIVAL RATE (%)
SMOLT YEAR
% SURVIVAL
SIZE-ADJUSTED SURVIVAL
expected
measured
YEAR
STEELHEAD ESCAPEMENT
includes repeats
&A
Page &P
smolt year
smolt-to-adult survival
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
&A
Page &P
Smolt year
survival (%)
Observed
Expected
SMOLT YEAR
SMOLT-TO-ADULT SURVIVAL (%)
smolts
-
Chart2
108282.1724137931
168282.1724137931
100282.1724137931
196282.1724137931
324282.1724137931
402282.1724137931
392282.1724137931
411282.1724137931
562282.1724137931
323282.1724137931
386282.1724137931
367282.1724137931
338282.1724137931
196282.1724137931
223282.1724137931
178282.1724137931
304282.1724137931
167282.1724137931
180282.1724137931
211282.1724137931
359282.1724137931
244282.1724137931
394282.1724137931
233282.1724137931
385282.1724137931
387282.1724137931
301282.1724137931
230282.1724137931
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
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244282288
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230.0282326
282
template
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
colour 1
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
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196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
MBD060A679C.xls
Chart1
108282.1724137931137.27676767676
168282.1724137931137.2
100282.1724137931137.27878787878
196282.1724137931137.2
324282.172413793180418.280808080
402282.1724137931418.2
392282.172413793182418.282828282
411282.1724137931418.2
562282.172413793184418.284848484
323282.1724137931322
386282.17241379318686322868686
367282.1724137931322
338282.17241379318888322888888
196282.1724137931322
223282.1724137931909090210.49090
178282.1724137931210.4
304282.1724137931929292210.49292
167282.1724137931210.4
180282.1724137931949494210.49494
211282.1724137931288.2
359282.172413793196969696288.296
244282.1724137931288.2
394282.172413793198989898288.298
233282.1724137931288.2
385282.17241379310000000000325.75
387282.1724137931325.75
301282.17241379310202020202325.75
230282.1724137931325.75
114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
196282137
80324282418
402282418
82392282418
411282418
84562282418
323282322
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88338282322
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90223282210
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96359282288
244282288
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00385282326
387282326
02301282326
230.0282326
282
template
00
00
00
00
00
00
00
00
00
00
00
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00
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00
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114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
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114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
-
Chart1
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
114
154
Year
GOLD RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
75154
7695
77128
7875
7997
80254
81249
82357
83227
84567
85561
86367
87326
88271
89235
90216
91196
92312
93166
94239
95196
96501
97282
98268
99245
00457
01272
02277
03114
template
154
Year
GOLD RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
colour 1
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
-
Chart2
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
114
154
Year
GOLD RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
75154
7695
77128
7875
7997
80254
81249
82357
83227
84567
85561
86367
87326
88271
89235
90216
91196
92312
93166
94239
95196
96501
97282
98268
99245
00457
01272
02277
03114
template
154
Year
GOLD RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
colour 1
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
95
128
75
97
254
249
357
227
567
561
367
326
271
235
216
196
312
166
239
196
501
282
268
245
457
272
277
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
Chart1
108282.1724137931
168282.1724137931
100282.1724137931
196282.1724137931
324282.1724137931
402282.1724137931
392282.1724137931
411282.1724137931
562282.1724137931
323282.1724137931
386282.1724137931
367282.1724137931
338282.1724137931
196282.1724137931
223282.1724137931
178282.1724137931
304282.1724137931
167282.1724137931
180282.1724137931
211282.1724137931
359282.1724137931
244282.1724137931
394282.1724137931
233282.1724137931
385282.1724137931
387282.1724137931
301282.1724137931
230282.1724137931
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
196282137
80324282418
402282418
82392282418
411282418
84562282418
323282322
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244282288
98394282288
233282288
00385282326
387282326
02301282326
230.0282326
282
template
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
colour 1
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
MBD060A679C.xls
Chart1
108282.1724137931137.27676767676
168282.1724137931137.2
100282.1724137931137.27878787878
196282.1724137931137.2
324282.172413793180418.280808080
402282.1724137931418.2
392282.172413793182418.282828282
411282.1724137931418.2
562282.172413793184418.284848484
323282.1724137931322
386282.17241379318686322868686
367282.1724137931322
338282.17241379318888322888888
196282.1724137931322
223282.1724137931909090210.49090
178282.1724137931210.4
304282.1724137931929292210.49292
167282.1724137931210.4
180282.1724137931949494210.49494
211282.1724137931288.2
359282.172413793196969696288.296
244282.1724137931288.2
394282.172413793198989898288.298
233282.1724137931288.2
385282.17241379310000000000325.75
387282.1724137931325.75
301282.17241379310202020202325.75
230282.1724137931325.75
114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
196282137
80324282418
402282418
82392282418
411282418
84562282418
323282322
86386282322
367282322
88338282322
196282322
90223282210
178282210
92304282210
167282210
94180282210
211282288
96359282288
244282288
98394282288
233282288
00385282326
387282326
02301282326
230.0282326
282
template
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
-
Chart2
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
73
# Steelhead
Year
# of Steelhead
TSITIKA RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
template
Year# fish
76144
127
7840
180
80103
201
82170
193
84216
417
86301
406
88324
392
90277
337
92266
202
94230
149
96100
187
98164
44
00104
119
02129
0373
template
# Steelhead
Year
# of Steelhead
TSITIKA RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
colour 1
colour 1
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
-
Chart1
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
73
# Steelhead
Year
# of Steelhead
TSITIKA RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
template
Year# fish
76144
127
7840
180
80103
201
82170
193
84216
417
86301
406
88324
392
90277
337
92266
202
94230
149
96100
187
98164
44
00104
119
02129
0373
template
# Steelhead
Year
# of Steelhead
TSITIKA RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
colour 1
colour 1
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
144
127
40
180
103
201
170
193
216
417
301
406
324
392
277
337
266
202
230
149
100
187
164
44
104
119
129
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
Chart2
108282.1724137931
168282.1724137931
100282.1724137931
196282.1724137931
324282.1724137931
402282.1724137931
392282.1724137931
411282.1724137931
562282.1724137931
323282.1724137931
386282.1724137931
367282.1724137931
338282.1724137931
196282.1724137931
223282.1724137931
178282.1724137931
304282.1724137931
167282.1724137931
180282.1724137931
211282.1724137931
359282.1724137931
244282.1724137931
394282.1724137931
233282.1724137931
385282.1724137931
387282.1724137931
301282.1724137931
230282.1724137931
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
196282137
80324282418
402282418
82392282418
411282418
84562282418
323282322
86386282322
367282322
88338282322
196282322
90223282210
178282210
92304282210
167282210
94180282210
211282288
96359282288
244282288
98394282288
233282288
00385282326
387282326
02301282326
230.0282326
282
template
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1976-2003)Snorkel Survey Observations
colour 1
colour 1
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
MBD060A679C.xls
Chart1
108282.1724137931137.27676767676
168282.1724137931137.2
100282.1724137931137.27878787878
196282.1724137931137.2
324282.172413793180418.280808080
402282.1724137931418.2
392282.172413793182418.282828282
411282.1724137931418.2
562282.172413793184418.284848484
323282.1724137931322
386282.17241379318686322868686
367282.1724137931322
338282.17241379318888322888888
196282.1724137931322
223282.1724137931909090210.49090
178282.1724137931210.4
304282.1724137931929292210.49292
167282.1724137931210.4
180282.1724137931949494210.49494
211282.1724137931288.2
359282.172413793196969696288.296
244282.1724137931288.2
394282.172413793198989898288.298
233282.1724137931288.2
385282.17241379310000000000325.75
387282.1724137931325.75
301282.17241379310202020202325.75
230282.1724137931325.75
114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
template
Year# fish
114282137
76108282137
168282137
78100282137
196282137
80324282418
402282418
82392282418
411282418
84562282418
323282322
86386282322
367282322
88338282322
196282322
90223282210
178282210
92304282210
167282210
94180282210
211282288
96359282288
244282288
98394282288
233282288
00385282326
387282326
02301282326
230.0282326
282
template
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
114
282
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 1
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
114
282
137
Year
HEBER RIVER SUMMER STEELHEAD (1975-2003)Snorkel Survey Observations
colour 2
colour 2
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
colour 3
colour 3
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
4
4
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
5
5
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
108
168
100
196
324
402
392
411
562
323
386
367
338
196
223
178
304
167
180
211
359
244
394
233
385
387
301
Year
TSITIKA RIVER SUMMER STEELHEAD (1976-2002)Snorkel Survey Observations
-
Englishman River WSH Snorkel Counts 1982-2003
Chart1
164
236
253
471
56
164
178
40
44
42
147
72
17
36
30
22
34
50
15
66
73
50
Peak # of Steelhead Observed
peak counts
1982164
1983236
1984253
1985471
198656
1987164
1988178
198940
199044
199142
1992147
199372
199417
199536
199630
199722
199834
199950
200015
200166
200273
200350
peak counts
Peak # of Steelhead Observed
peak counts fishperkm
YearPeak Count
198213.027.88.342.7
198319.727.88.342.7
198420.927.88.342.7
198548.327.88.342.7
198627.88.342.7
198743.427.88.342.7
198836.627.88.342.7
19899.327.88.342.7
199012.027.88.342.7
19915.127.88.342.7
199217.927.88.342.7
19938.827.88.342.7
19942.127.88.342.7
19954.427.88.342.7
19963.727.88.342.7
19972.527.88.342.7
19983.827.88.342.7
19999.327.88.342.7
20001.727.88.342.7
20018.027.88.342.7
20024.527.88.342.7
20032.627.88.342.7
peak counts fishperkm
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
Winter Steelhead
Estimated Steelhead Capacity (27.7 fish/km)*
Conservation Concern Zone (30% of capacity)
Extreme Conservation Concern Zone (10% of capacity)
Observed Steelhead/km
historical monthly
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
Winter Steelhead
Estimated Steelhead Capacity (27.7 fish/km)*
Conservation Concern Zone (30% of capacity)
Extreme Conservation Concern Zone (10% of capacity)
Observed Steelhead/km
2003 densities
YearJanuaryFebruaryMarchAprilMay
19821.3613.0412.538.2
198313.8413.0519.71
198420.9219.63
198548.29
19864.2
198721.0843.39
198836.55
19899.38.15
199011.96
19913.495.9
199213.6617.9
1993132.44
19942.1
19953.4
19965.2
1997
19980.3403.540.36
19992.079.314.84
20001.671.72
20011.597.58.053.4
2003 distribution
Date# fish
20,21-Jan5
11,12-Feb19
6,7-Mar21
6,7-Apr46
22,23-Apr50
12,13,14-May20
2003 distribution
0
0
0
0
0
0
# of Steelhead
colourandcondition
MS 1MS 2MS 3South ForkTOTALS
20,21-Jan221055
11,12-Feb115301919
6,7-Mar613202121
6,7-Apr1016204646
22,23-Apr14131945050
12,13,14-May120802020
4559534
South Englishman not snorkelled during April 6,7 surveys
colourandcondition
0000
0000
0000
0000
0000
0000
Section 1
Section 2
Section 3
South Fork
# of Steelhead
Sheet7
BrightColouredMid-spawnPost-SpawnUnknown
20,21-Jan3220,21-Jan5
11,12-Feb18111,12-Feb19
6,7-Mar11916,7-Mar21
6,7-Apr32710426,7-Apr46
22,23-Apr718871022,23-Apr50
12,13,14-May58712,13,14-May20
Sheet7
00000
00000
00000
00000
00000
00000
Bright
Coloured
Mid-spawn
Post-Spawn
Unknown
00000
00000
00000
00000
00000
00000
Bright
Coloured
Mid-spawn
Post-Spawn
Unknown
# of Steelhead
-
West Coast Van Isle WSH Index
Chart1
149
108
386
269
128
32
# of Sthd Observed
Gold River WR Steelhead Early Season, 8.1 Km Index Section Only
Early Season
yearcountdatevissections
1/27/9914927-Jan6
1/13/0010813-Jan8+
1/22/0138622-Jan8+
1/22/0226922-Jan8
2/6/031286-Feb7
2/10/043210-Feb6
Early Season
# of Sthd Observed
Gold River WR Steelhead Early Season, 8.1 Km Index Section Only
Sheet2
Sheet3
-
Mainland Coast WSH Index
Chart1
2948402840.537.1
20.53839.552944.2534.26
122839.1304831.42
30.537.536.052137.532.51
494733122733.6
323932.251627.529.35
153131.5202825.1
1016.516.2512.516.7514.4
52155.53.7
3133.533.75.24
4.645.5585.42
4.615384615432.513.66666666672.9564102564
Glendale
Ahnuhati
Kakweiken
Atwaykelless