24
Salmon Habitat Salmon Habitat Assessment Assessment for Conservation Planning on for Conservation Planning on the Lower White Salmon River the Lower White Salmon River the Lower White Salmon River the Lower White Salmon River Jill Hardiman Jill Hardiman USGS, Columbia River Research Laboratory USGS, Columbia River Research Laboratory © 2012 Andy Maser

Salmon Habitat Salmon Habitat Assessment Assessment …midcolumbiafisheries.org/wp-content/uploads/2014/...Slides_reduced.pdf · Salmon Habitat Salmon Habitat Assessment Assessment

  • Upload
    hatuyen

  • View
    222

  • Download
    4

Embed Size (px)

Citation preview

Salmon Habitat Salmon Habitat Assessment Assessmentfor Conservation Planning on for Conservation Planning on

the Lower White Salmon Riverthe Lower White Salmon Riverthe Lower White Salmon Riverthe Lower White Salmon River

Jill HardimanJill HardimanUSGS, Columbia River Research LaboratoryUSGS, Columbia River Research Laboratory

© 2012 Andy Maser

BackgroundBackground•• Condit Dam breached Oct 26, 2011Condit Dam breached Oct 26, 2011•• Dam Removal complete Sept 14, 2012Dam Removal complete Sept 14, 2012•• ReRe vegetation projects in progress 2013vegetation projects in progress 2013 20142014•• PacifiCorp owns 500PacifiCorp owns 500 600 acres along the lower 6 river miles600 acres along the lower 6 river miles•• MidMid Columbia Fisheries Enhancement Group receives grantColumbia Fisheries Enhancement Group receives grant•• MidMid Columbia Fisheries Enhancement Group receives grantColumbia Fisheries Enhancement Group receives grant

from Salmon Recovery Funding Board for conservation planningfrom Salmon Recovery Funding Board for conservation planning

Conservation Planning GrantConservation Planning GrantConservation Planning GrantConservation Planning Grant•• Provide habitat informationProvide habitat information•• Hold publicHold public meetingmeeting•• Promote discussion among interest groupsPromote discussion among interest groups•• Promote discussion among interest groupsPromote discussion among interest groups•• Explore habitat protection scenarios andExplore habitat protection scenarios and

f di i f i hi hf di i f i hi hfunding strategies for protecting highestfunding strategies for protecting highestpriority habitatpriority habitat

InterestsInterests•• ESA listed speciesESA listed species LCR salmon recovery domain and the MCRLCR salmon recovery domain and the MCR

steelhead recovery substeelhead recovery sub domaindomain•• Tribal rights “to hunt and fish at all usual and accustomedTribal rights “to hunt and fish at all usual and accustomed

places”places”PacifiCorp neighboring propert o ners cabin o nersPacifiCorp neighboring propert o ners cabin o ners•• PacifiCorp, neighboring property owners, cabin owners,PacifiCorp, neighboring property owners, cabin owners,public, and local communitypublic, and local community

•• SkamaniaSkamania and Klickitat Countiesand Klickitat Counties•• Columbia Gorge National Scenic AreaColumbia Gorge National Scenic Area•• Recreational resourceRecreational resource –– fishing, private & commercial boating,fishing, private & commercial boating,

access, conservation, and other recreationaccess, conservation, and other recreation•• Timber, agriculture (and irrigation), residential, businessTimber, agriculture (and irrigation), residential, business

ESA ListedESA Listed SalmonidsSalmonidsESA ListedESA Listed SalmonidsSalmonidsSpecies ESU/DPS Status Federal Register Notice

Chinook salmon (Oncorhynchus tshawytscha) LCR Chinook salmon Threatened 70 FR 37160 6/28/2005

Coho salmon (O kisutch) LCR coho salmon Threatened 70 FR 37160 6/28/2005Coho salmon (O. kisutch) LCR coho salmon Threatened 70 FR 37160 6/28/2005

Chum salmon (O. keta) CR chum salmon Threatened 70 FR 37160 6/28/2005

Steelhead (O. mykiss) MCR steelhead Threatened 71 FR 834 1/5/2006

Bull trout (Salvelinusconfluentus) CR bull trout Threatened 63 FR 31647 6/10/1998

LCR Chinook salmon, CR Critical Habitat Designation

,chum salmon, LCR coho salmon, MCR steelhead

70 FR 52630 9/2/2005

Critical Habitat Designation CR bull trout 75 FR 2269 1/14/2010

SalmonidSalmonid Life History StagesLife History StagesSalmonidSalmonid Life History StagesLife History Stages•• Adult: migratory, holding, and spawningAdult: migratory, holding, and spawning•• Incubation (eggs,Incubation (eggs, alevinalevin))•• Emergent (fry)Emergent (fry)g ( y)g ( y)•• Parr (juveniles)Parr (juveniles)

S ltS lt t i tit i ti•• SmoltSmolt out migrationout migration

SalmonidSalmonid Habitat CriteriaHabitat CriteriaSalmonidSalmonid Habitat CriteriaHabitat Criteria•• AdultAdult holding andholding and spawningspawninggg p gp g

–– Pools, cover, varied substrate, fines < 20%Pools, cover, varied substrate, fines < 20%

•• IncubationIncubation ((eggs andeggs and alevinalevin))IncubationIncubation ((eggs andeggs and alevinalevin))–– FinesFines < 20< 20%, limited scour/high flows%, limited scour/high flows

E tE t (f(f ))•• EmergentEmergent (fry(fry))–– Low velocities, shallow depths, coverLow velocities, shallow depths, cover

•• ParrParr ((juveniles) andjuveniles) and smoltsmolt migrantsmigrants–– Faster, deeper water, cover, LWD, boulder, cobbleFaster, deeper water, cover, LWD, boulder, cobble

ConservationPlanning

AAreaPacifiCorp provided Lidar dataPacifiCorp provided Lidar data

andorthophotos for the project area

from August 2013

Site of former Northwestern Lakeand PacifiCorp property

from August 2013

and PacifiCorp property

DigitalEl iElevationModel

Habitat characteristicsd i• Moderate in stream

complexity boulders,overhanging bedrock,g gand large woody debris

• Narrow basalt canyons• Riffles runs fewerRiffles, runs, fewer

pools, some cascades

ShorelineSlopes

Id if lik l fIdentify areas more likely fordevelopment and aid inconservation habitat discussions

Legend

0 - 9.0

9.0 - 18.7

18.7 - 29.1

29.1 - 39.5

39.5 - 53.0

53.0 - 88.3

Water SurfaceElevation andElevation and

ReachesCondit Dam siteLegend

Water surface elevationValue feet

High : 332.392g

Low : 78.441

B1( Buck Cr)Reach Breaks

( Condit Dam Site

M1 (Mill Cr)

WS 6 (end of lidar)

WS 5 (Mouth Buck Cr)WS 5 (Mouth Buck Cr)

WS 4 (Mouth Mill Cr)

WS 3 (Steelhead Falls)

WS 2 (Powerhouse)

WS 1 (Bonneville influence)

WS 0 (confluence)

Study ReachesStudy ReachesStudy ReachesStudy ReachesReachname Description River miles Length (ft) Slope (%)

WS1 Confluence to end of Bonneville influence 0 – 1.1 6,255 0.2

WS2 End of Bonneville influence to h 1.1 – 2.2 5,746 0.7WS2 powerhouse 1.1 2.2 5,746 0.7

WS3 Powerhouse to steelhead falls 2.2 – 2.6 2,130 1.1

WS4 Steelhead falls to Mouth of Mill Creek 2.6 – 4.2 8,251 1.2

WS5 Mouth of Mill Creek to mouth of Buck Creek 4.2 – 5.2 5,172 0.7

WS6 Mouth of Buck Creek to end of Study area (Lidar data set) 5.2 – 5.7 2,284 0.7

M1 Mill Creek mouth to PacifiCorp property line 1,906 4.4

B1 Buck Creek mouth to PacifiCorp property line 715 4.3

Substratefrom 2012LegendLegendSubstrate

Boulders

Coarse Gravel

Coarse Gravel/Bar

Coarse Gravel/Cobble/Bar

Cobble/Bar

Cobble/Boulder

Cobble/Coarse Gravel/Bar

Medium Gravel

M di G l/BMedium Gravel/Bar

Fines

Fines/Bar

River 2DHydrodynamic

M d lModelLegendLegendModel 880 cfsVelocity (m/s)

High : 4.67244

Low : 0

2012 Bars

Chinook Redd Observations USFWS 2012Chinook Redd Observations USFWS 2012

26

4Condit Dam site

15

3

20132013 ReddRedd WDFW Survey UpdateWDFW Survey Update20132013 ReddRedd WDFW Survey UpdateWDFW Survey Update

•• Surveys from early August to midSurveys from early August to mid DecemberDecemberSurveys from early August to midSurveys from early August to mid DecemberDecember•• High density spawning between RM 2.1High density spawning between RM 2.1

downstream to mouth for Fall Chinookdownstream to mouth for Fall Chinookdownstream to mouth for Fall Chinookdownstream to mouth for Fall Chinook•• For Spring Chinook, ~50% of observedFor Spring Chinook, ~50% of observed

spawning occurred above former Dam sitespawning occurred above former Dam site

2013 WDFW2013 WDFWChinookSalmon ReddObservationsObservations

Map courtesy of WDFW

White Salmon R. Reach Ranking basedWhite Salmon R. Reach Ranking baseddddd b db donon reddredd observations in 2012 and 2013observations in 2012 and 2013

Ranking

Reachname Description River miles Redd 2012 Redd 2013* Slope (%)

WS1 Confluence to end of Bonneville influence 0 – 1 1 1 1 0 2WS1 Confluence to end of Bonneville influence 0 1.1 1 1 0.2

WS2 End of Bonneville influence to powerhouse 1.1 – 2.2 2 2 0.7

WS3 Powerhouse to steelhead falls 2.2 – 2.6 6 3 1.1WS3 Powerhouse to steelhead falls 2.2 2.6 6 3 1.1

WS4 Steelhead falls to mouth of Mill Creek 2.6 – 4.2 5 4 1.2

WS5 Mouth of Mill Creek to mouth of Buck C k 4.2 – 5.2 3 5** 0.7WS5 Creek 4.2 5.2 3 5 0.7

WS6 Mouth of Buck Creek to end of Study area (Lidar data set) 5.2 – 5.7 4 5** 0.7

* Data is preliminary **Approximately equalData is preliminary, Approximately equal

Temporal Distribution Based onTemporal Distribution Based onChi k Li C tChi k Li C tChinook Live CountsChinook Live Counts

Graph courtesy of WDFW

Potential threats to salmon habitatPotential threats to salmon habitatPotential threats to salmon habitatPotential threats to salmon habitat•• Development/land useDevelopment/land use

–– New construction,New construction, roads, homesroads, homes–– Altered/diminished riparian areasAltered/diminished riparian areas–– Clear cuts, grazingClear cuts, grazing

•• Increased recreationIncreased recreation© 2012 Andy Maser–– Potential for harassmentPotential for harassment

–– Gravel bed, spawning site disturbancesGravel bed, spawning site disturbances

I i S iI i S i

© 2012 Andy Maser

•• Invasive SpeciesInvasive Species–– Alter ecosystem processesAlter ecosystem processes

Data gapsData gapsGravel bar change 2012 to 2013Gravel bar change 2012 to 2013

Substrate and bathymetry forSubstrate and bathymetry forentire study areaentire study areaHydrodynamic model extendedHydrodynamic model extendedUpdate habitat types (riffles,Update habitat types (riffles,r ns pools) ithin reachesr ns pools) ithin reachesruns, pools) within reachesruns, pools) within reachesExtent of Bonneville poolExtent of Bonneville poolinfluenceinfluence

Legend

ContinuedContinued reddredd monitoringmonitoring((cohocoho and steelhead)and steelhead)

2012 Bars

2013 Bars

River in fluxRiver in flux–– Gravel bars, LWD, pool formationGravel bars, LWD, pool formation–– Riparian establishment, sedimentRiparian establishment, sedimentRiparian establishment, sedimentRiparian establishment, sediment

SummarySummary•• Study area meets suitable habitat criteria for allStudy area meets suitable habitat criteria for all

salmonidsalmonid life history stageslife history stages•• Lower reaches haveLower reaches have highest observedhighest observed reddredd densitiesdensities

(RM 2.2 to mouth)(RM 2.2 to mouth)•• ReddRedd densities higher in reaches with lowerdensities higher in reaches with lower

slopes/gradientsslopes/gradients•• ReRe vegetation projects will likely enhance habitatvegetation projects will likely enhance habitat

–– Sediment stabilization, cover, and insect/leaf litter inputsSediment stabilization, cover, and insect/leaf litter inputs

ld h l d lld h l d l•• LWD recruitment would enhance pool developmentLWD recruitment would enhance pool developmentand coverand cover

Next stepsNext steps•• IIncorporate 2013ncorporate 2013 reddredd data into GISdata into GIS•• Review and finalize habitat classificationReview and finalize habitat classification

scheme based on life history stages andscheme based on life history stages andspeciesspecies

•• Final fish habitat assessment reportFinal fish habitat assessment reportpp

Th kTh kThank youThank you•• WDFWWDFW Jeremy Wilson and crewJeremy Wilson and crew•• WDFWWDFW –– Jeremy Wilson and crewJeremy Wilson and crew

•• USFWSUSFWS Rod Engle and crewRod Engle and crewgg

•• USGSUSGS Brady Allen, JimBrady Allen, Jim HattenHatten, and Tom, and Tom BattBatt

•• Washington StateWashington State Salmon Recovery FundingSalmon Recovery FundingBoardBoard

•• Andy Maser and SteveAndy Maser and Steve StampfliStampfli