treva coe, habitat program manager nooksack tribe...nooksack tribe wria 1 climate change workshop,...
TRANSCRIPT
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Treva Coe, Habitat Program ManagerNooksack Tribe
WRIA 1 Climate Change Workshop, January 2013
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GENERAL HABITAT PRIORITIES
1267 646
572
1678
8002
NF/MF
Protection
Nearshore Restoration
Estuary Restoration
Lower Nooksack RestorationForks Restoration
330344 285
873
3835
SF
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Coe: SR Strategies/Actions 4WRIA 1 Climate Change Workshop
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LIMITING FACTORS Channel Stability Habitat Diversity Key Habitat Quantity Sediment Load Obstructions Withdrawals Flow Temperature
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CHANNEL STABILITY
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Coe: SR Strategies/Actions 7WRIA 1 Climate Change Workshop
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TEMPERATURE
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SEDIMENT LOAD
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FLOW
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Coe: SR Strategies/Actions 13WRIA 1 Climate Change Workshop
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HABITAT DIVERSITY
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ActionsLimiting Factor Problem Reach-Scale
Objective Direct Actions Indirect Actions
Subbasin-Scale Objective Direct Actions Indirect Actions
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UPPER SOUTH FORK
ACTIONSACTION IMPOR-TANCE
Habitat diversitySediment load Temperature
Key habitat quantity
Increase avail. of complex instream cover
Increase habitat unit diversity
Reduce fine seds. in gravels, reduce high turbidity
De-crease reach-scale temp-
erature maxima
Increase availability, quality of temperature refuges
Increase quantity, quality of main channel pools, pool tailouts
Orphan road maintenance and abandonment 7 5 5 17
Large-scale wood placement in areas of cool-water influence 10 7 7 24
Large-scale wood placement in other areas 10 7 17
Decrease river-adjacent sediment inputs to South Fork mainstem (e.g. roughen the toe of landslides)
7 5 12
Riparian restoration along South Fork, important tribs for shading
7 7
Riparian planting for wood recruitment in understocked channel migration areas.
10 7 17
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RESTORATION STRATEGIES: NORTH FORK Reaches38.3 40.6 42.9 43.7 46.7 49.4 49.8 50.6 51.1 52.3 53.3 54.8 55.8 57.8 61.9 65
North Fork
Construct/augment log jams to protect, encourage formation and growth of forested
islands
Log jams to reconnect back channels
Logs/log jams to increase habitat quality in braids and back channels.
Reforest historic channel migration zone and 300' buffer
Promote floodplain forest encroachment on active channel area.
Promote channel-floodplain interaction to restore floodplain processes
Acquire properties necessary for restorationAcquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
Watershed Assess, treat orphaned roadsAddress chronic sediment sources
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RESTORATION STRATEGIES: NORTH FORK
North Fork
Construct/augment log jams to protect, encourage formation and growth of forested
islands
Log jams to reconnect back channels
Logs/log jams to increase habitat quality in braids and back channels.
Reforest historic channel migration zone and 300' buffer
Promote floodplain forest encroachment on active channel area.
Promote channel-floodplain interaction to restore floodplain processes
Acquire properties necessary for restorationAcquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
Watershed Assess, treat orphaned roadsAddress chronic sediment sources
Category Temp Base Peak Res
Barrierremoval Y Y N Y
Floodplain reconnection Y N Y Y
Vertical connectivity Y Y Y Y
Stream flow regimes Y Y N Y/N
Sediment reduction N N N N
Riparian restoration Y N/Y N N
Instream rehabilitation Y/N N N N
Nutrient enrichment N N N N
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RESTORATION STRATEGIES: MF Reaches
1.5 3.1 5.2 7.2 9.4 11.7 14.5 17.4
Middle Fork
Construct/augment log jams to protect, encourage formation and growth of forested islands
Log jams to reconnect back channels
Install engineered wood structures to increase roughness, improve channel stability, and slow migration
Increase woody cover along channel edgeslog jams to form deep complex pools
Restore fish passageReforest historic channel migration zone and 300' buffer
Reconnect and restore floodplain wetlands
Acquire properties necessary for restoration
Acquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
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RESTORATION STRATEGIES: MF
Middle Fork
Construct/augment log jams to protect, encourage formation and growth of forested islands
Log jams to reconnect back channels
Install engineered wood structures to increase roughness, improve channel stability, and slow
migration Increase woody cover along channel edges
log jams to form deep complex poolsRestore fish passage
Reforest historic channel migration zone and 300' buffer
Reconnect and restore floodplain wetlandsAcquire properties necessary for restoration
Acquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
Category Temp Base Peak Res
Barrierremoval Y Y N Y
Floodplain reconnection Y N Y Y
Vertical connectivity Y Y Y Y
Stream flow regimes Y Y N Y/
N
Sediment reduction N N N N
Riparian restoration Y N/Y N N
Instream rehabilitation
Y/N N N N
Nutrient enrichment N N N N
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RESTORATION STRATEGIES: SF Reaches1.8 3.7 5.1 7.2 8.6 9.6 10.9 12.8 14.3 16.1 18 20.6 22 25.4 31
South Fork
Log jams to form deep pools: cool-water areas
Log jams to form deep pools: other areas
Replace riprap with wood bank structures
Reconnect and restore side-channels
Setback or remove riprap embankments
Lower artificial levees to native elevations
Relocate infrastructure outside EHA
Reforest HMZ and 300' buffer
Remove invasive speciesReconnect floodplain channels
Large wood placement in floodplain channelsRiparian restoration along floodplain channels
Acquire properties necessary for restoration
Acquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
Watershed Assess, treat orphaned roadsAddress chronic sediment sources
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RESTORATION STRATEGIES: SF
South Fork
Log jams to form deep pools: cool-water areas
Log jams to form deep pools: other areas
Replace riprap with wood bank structures
Reconnect and restore side-channels
Setback or remove riprap embankments
Lower artificial levees to native elevations
Relocate infrastructure outside EHA
Reforest HMZ and 300' buffer
Remove invasive speciesReconnect floodplain channels
Large wood placement in floodplain channelsRiparian restoration along floodplain channels
Acquire properties necessary for restoration
Acquire properties at risk of degradation
Early chinook tribs
Restore riparian areas Restore habitat (diversity, stability)
Restore fish passageAcquire properties at risk of degradation
Watershed Assess, treat orphaned roadsAddress chronic sediment sources
Category Temp Base Peak Res
Barrierremoval Y Y N Y
Floodplain reconnection Y N Y Y
Vertical connectivity Y Y Y Y
Stream flow regimes Y Y N Y/N
Sediment reduction N N N N
Riparian restoration Y N/Y N N
Instream rehabilitation Y/N N N N
Nutrient enrichment N N N N
Coe: SR Strategies/Actions 25WRIA 1 Climate Change Workshop