wild steelhead stock s

Wild Steelhead Stock S tatusBC 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;

Population Details~4.0Million total~ 60% Vancouver~16% Vancouver Island~24 % elsewhere but only 4% in northern half

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

Guesstimates of Abundance

Abundance (contd)

Hatcheries in Perspective

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

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

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

Nass River Watershed

Fishwheel Locations

Nass River Fishwheels6 wheels operated annuallyMainly for stock assessmentLate May to late SeptemberNow operated as the sole in-season salmon indicator for the Nass

Nass Steelhead Escapement (1994-2003)

Tyee Test Fishery Location

Tyee Test Fishing Site

Skeena Test Fishery Index 1956-2003

Tyee Test Fishery 2003

Upper Sustut River Watershed

Upper Sustut River Weir

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

Albion Test Fishery

Trends in Chilko

Deadman Creek Resistivity Counter

Trends in Deadman

Trends in Bonaparte

Trends in Nicola

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: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


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





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


844738547312284125348702104820519841990473850.18Sediment impacts caused by highways

852338623385.98571162702103289719851991233Sediment 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


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


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mean smolt length

smolt-to-adult survival

adsmolt

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Histogram

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Frequency

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Frequency

Histogram

survival

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Frequency

Bin

Frequency

Histogram

smolts

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Frequency

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Frequency

Histogram

regimes

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Frequency

Histogram

stats

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Histogram

Chart1

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smolt year

standarized survival

size-surv

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Frequency

Histogram

Sheet2

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Histogram

KEOSURV

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Elliott 1971 p33

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Frequency

Bin

Frequency

Histogram

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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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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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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

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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

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0

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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

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00

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0

0

0

Odd-year pinks

Even-year pinks

00

00

00

00

00

00

00

00

00

00

00

00

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00

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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

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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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

wild steelhead stock s

Documents

period f s f s f s f

steelhead rivers

target fry density

atnarko river steelhead

wild steelhead stock

steelhead juveniles

steelhead releases

fry av