Dead/Dying Douglas-fir
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Transcript of Dead/Dying Douglas-fir
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Dead/Dying Douglas-fir
Granite Creek area
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Dead/Dying Douglas-fir
• Harvest up to 95% of dead/dying trees <35” DBH
• Harvest green Douglas-fir with extensive budworm damage and/or evidence of successful beetle attack
• Leave all Douglas-fir snags >36” unless they present a safety hazard
Granite Creek area
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Green Douglas-fir and Mixed Conifer
California Creek areaHistoric Douglas-fir savannah with second growth understory
• Thin Douglas-fir from below to average residual basal area of 80 ft2/ac
• Basal area would vary from 20 – 120 ft2/ac depending on site conditions
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Green Douglas-fir and Mixed Conifer
Mixed conifer stand in Fletcher Creek area
• Harvest all live lodgepole pine infested with bark beetles and 90% of dead/dying lodgepole
• Harvest subalpine fir• Leave Engelmann spruce if in small patches
(<1 acre) or in streamside management zone– If in patches >1 acre, patch cut up to ½ acre
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Green Douglas-fir and Mixed Conifer
California Creek area
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Pre- and Post-treatment Basal Area(Barton Gulch timber sale)
Barton Gulch timber sale
• Pre-treatment– Basal area ~ 200 ft2/ac
• Silvicultural prescription– Thin from below
• Post-treatment– Basal area averaging
80 ft2/ac– Varies from 40 to 140
ft2/ac depending on site conditions
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Average 80 ft2/ac Residual Basal Area
Barton Gulch timber sale
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Previously managed Douglas-fir(primarily in the Meadow Creek area)
Previously harvested stand in Meadow Creek area
• Harvest recent dead/dying trees as needed
• Leave all existing snags unless they present a safety hazard
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Previously managed Douglas-firPost-treatment basal area of 60-100 ft2/ac
Meadow Creek area
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Aspen
Nugget Creek area
• Cut all conifers within 2 aspen tree heights of viable aspen clones
• Leave non-merchantable material on site to act as a browse barrier