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Published byAldous Carter Modified over 9 years ago
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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SYLLABUS Retention Patch Pictures Rx Burn Numbers Treatment Numbers American Marten Update Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT THE NUMBERS Burn Rx vs Actual Weather Wind Speed Upper Rx Lower Rx Actual 8 MPH 0 MPH 0-3 MPH Temperature Upper Rx Lower Rx Actual 85 F Any 61-65 F 10 hr Fuel Moisture Upper Rx Lower Rx Actual 4 12 11
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT THE NUMBERS Burn Intensities Top 1/3 – Strip Light Flame Length Flame Zone Depth Rate of Spread 4 ft 2 ft.45 ft/min Middle 1/3 – Dot Light Flame Length Flame Zone Depth Rate of Spread 1 ft 6 in.33 ft/min Bottom 1/3 – Strip Light Flame Length Flame Zone Depth Rate of Spread 5 ft 3 ft 2 ft/min
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT THE NUMBERS Volume Removed Average per Acre* Saw Material Biomass Material Total Material 9.59 6.67 16.26 CCF ~6 ~4 ~10 MBF** * calculation includes all retention patches ** assumed 1.63 CCF = 1 MBF *** assumed 1 MBF (Doyle log rule) = 8 tons Tons*** ~48 ~32 ~80
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT THE NUMBERS # of Trees Pre Treatment/Removed Unit 10 Pre Treatment 10” – 19.9” 20” – 29.9” 30” + Totals 139 42 10 191 JP/PP/SP WF/RF 147 17 3 167 Totals 286 59 13 358 Unit 10 Removed 10” – 19.9” 20” – 29.9” 30” + Totals 12 0 0 12 JP/PP/SP WF/RF 93 4 0 97 Totals 105 4 0 109
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT THE NUMBERS # of Trees Pre Treatment/Removed Unit 11 Pre Treatment 10” – 19.9” 20” – 29.9” 30” + Totals 87 7 4 98 JP/PP/SP/LP/WWP WF/RF 196 64 31 291 Totals 283 71 35 389 Unit 11 Removed 10” – 19.9” 20” – 29.9” 30” + Totals 11 0 0 11 WF/RF 91 9 0 100 Totals 102 9 0 111 JP/PP/SP/LP/WWP
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT MARTEN UPDATE Working with researchers to define location and spatial arrangement of suitable habitat for marten in Sagehen Basin Verifying baseline vegetation typing Examine habitat change over time Developing preliminary ideas on management activities to maintain and/or enhance marten habitat
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Tahoe National Forest, Truckee Ranger District PSW Sagehen Experimental Forest UC Berkeley Sagehen Field Station SAGEHEN PROJECT MARTEN UPDATE Management strategies can include: Specific strategies for habitat patches Looking at linkage corridors – riparian or other Identifying barriers to movement between core patches of habitat and potential solutions Retention of key habitat features for denning and resting sites – snags, logs, diseased/damaged trees Maintain and/or increase landscape heterogeneity while maintaining core patches and linkages
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