Planning and Implementing a Habitat Project - SCCP...Planning and Implementing a Habitat Project...
Transcript of Planning and Implementing a Habitat Project - SCCP...Planning and Implementing a Habitat Project...
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Gordon’s Brook, Langley,
2001
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Understanding the SystemWatershed Scale:
Species present seasonallyExisting habitat values and issuesMajor landformsLand use patternsSpatial arrangements of habitats
Site Scale:Species present seasonallyHydrograph and water qualityExisting habitat valuesSoilsDetailed topographic surveyConnections to other habitats
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Site Selection
Bigger Is Better More Degraded Is Better
Linking Good Habitats isBest
Close to Good Habitatis Better
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Seven Design Principles
1. Take a Broad View
Focusing on one or twospecies will likely resultin an inferior project –even for those species
• Over 50 SAR depend onuse riparian, stream andwetland habitats in theFraser Valley
Brian Klinkenberg
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2. Incorporate Existing Features
Seven Design Principles
Design aroundexisting trees
Dig in existingdepressions
Pile spoil againstexisting slopes
Use ‘Found’ Materials
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3. Harness Natural Processes
Seven Design Principles
Succession – plantpredominantly earlysuccessional ‘pioneer’species.
Erosion/Sedimentation– place obstructionsdirectly in the path offlow power to createcomplex, self-sustaining habitatfeatures
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4. Mimic Natural Landforms
Seven Design Principles
Avoid The Trench-Bench-Berm Approach
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• Vary bank slopes andchannelwidths to mimic naturalpatterns
• Leave riparian area soils ‘roughand loose’
• Most habitat value is in the finedetails scale of metres to tens ofmetres
4. Mimic Natural Landforms
Seven Design Principles
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5. Cluster Features At Several Scales
Seven Design Principles
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6. Create at Disturbance
Seven Design Principles
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7. Embrace the Random
Seven Design Principles
• Conceptual Plans and field fits by skilled practitionersproduce the best projects
Most habitat is formed by random (stochastic) events.Building random events into construction improvesprojects
• Relinquish control of details when possible
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Permits and Notifications1. First Nations
• This is all unceded Sto:lo / Coast Salish Territory.
• There are many archeological and culturally important sites,some mapped, many not.
• Fish habitat is linked to the right to fish.
• Consult with First Nations Bands and Organizations with aninterest in the site.
• People of the River Referrals Office (PRRO) coordinatesreferrals for many bands using a web portal.
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Permits and Notifications
2. Province of BC• Scientific Fish Collection Permit
(for Fish Salvages)
• Water Sustainability Act• Approval or Notification
required for ‘changes to thenature of a stream’ or‘activities or constructionwithin a stream… )
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Permits and Notifications
3. Fisheries and Oceans Canada• Fish Collection Permit (for Fish Salvages)
• Fisheries Act (?)• Submit a notification you should get a letter of advice back.• It doesn’t mean much.• Hopefully this will change
• Species at Risk Act Permit (may involve Environment Canada)• Required for fish salvages and/or habitat changes involving
Critical Habitat of SARA listed species
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Permits and Notifications
4. Local Government• Requirements vary, depending on bylaws• Almost all regulate soil removal and deposition on properties
• Keep them informed. They are the most likely recipients ofconcerned phone calls.
5. BC One Call• 1-800-474-6886
• You would be surprised atwhere some utilities areburied…
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Site Logistics
What goes where when and how long can it stay there?
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Typical Order of Operations
1. Strip sod and topsoil,stockpile separately
2. Rough excavation
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Order of Operations
3. Detailed excavation /landscaping
4. Large woody debrisinstallation
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Order of Operations
5. Riffle construction 6. Streambed substrate placement
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7. Topsoil spreading
Order of Operations
8. Seedingand planting
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Choosing Equipment
200 Track Excavator with Thumb
• Very powerful• Limited reach (10m)• Large bucket
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Choosing Equipment
200 Long Reach Excavator
• Up to 20 m reach
• Smaller bucket
• No thumb
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Choosing Equipment
For tight spots
Limited reach andbucket size
Small Track Excavator (80-100)
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Choosing Equipment
• Transport long logsand large stumpsefficiently
80 Yard End Dump Trucks
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March 2002
October 2002
August 2002
November 2004
Gordon’s Brook, Langley
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August 2001 November 2001
September 2002 February 2005
Gordon’s Brook, Langley
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Salish Sucker Density
0
5
10
15
20
25
300.5
1.5
3.0
4.0
5.0
6.0
7.5
8.5
CPUE
Fre
quency
2002 20042007
2010
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Thank-You!
Marvin Wheeler