dead/dying douglas-fir

Dead/Dying Douglas-fir

Granite Creek area

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

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

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

Green Douglas-fir and Mixed Conifer

California Creek area

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

Average 80 ft2/ac Residual Basal Area

Barton Gulch timber sale

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

Previously managed Douglas-firPost-treatment basal area of 60-100 ft2/ac

Meadow Creek area

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