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The Evolution of Forest Inventory on the Warm Springs Indian Reservation. Allan D. Derickson Forest Planning & Inventory Supervisor Confederated Tribes of Warm Springs. East Slope Cascades 1,000 ft to 10,000 ft. Kah-Nee-Ta. Reservation established in 1855 for Wasco and Warm Springs Indians

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the evolution of forest inventory on the warm springs indian reservation

The Evolution of Forest Inventory on the Warm Springs Indian Reservation

Allan D. Derickson

Forest Planning & Inventory Supervisor

Confederated Tribes of Warm Springs

slide2

East Slope Cascades

1,000 ft to 10,000 ft

Kah-Nee-Ta

Reservation established in 1855 for Wasco and Warm Springs Indians

Paiutes added in 1879

warm springs forest management
Warm Springs Forest Management
  • 644,000 total acres
  • 423,000 forested acres
  • 315,000 unreserved forested acres
  • 256,000 net commercial forest acres
  • Over 3 billion board feet of inventory
  • 25 commercial tree species
  • 27 different plant associations
warm springs forest management4
Warm Springs Forest Management
  • 1992 - Integrated Resource Management Plan
    • Traditional Cultural Uses
    • Water and Fish
    • Wildlife
    • Timber
    • Grazing
    • Other Economic Development
    • Recreation
harvest scheduling constraints
Harvest Scheduling Constraints
  • Must plan by watershed (12)
  • Retention trees at 5-15 tpa
  • Minimum stand age requirements: 70 years
  • Selected stands constrained temporarily for wildlife cover
  • Harvest priority respected. No low or stable OG
conditional use areas
Conditional Use Areas
  • Have one or more of the following:
    • Extremely low productivity
    • Very difficult logging or access
    • Possess other high resource values
    • Spiritually significant to Tribal Members
  • Harvest timber only at Tribal Council direction
  • Not scheduled or included in allowable cut
99 3 plot clusters
99 3-plotclusters
1988 cfi design changed
1988: CFI Design Changed
  • Single plot on a 50x50 chain grid replaced 3-plot cluster on 100x100 chain grid
  • Subplot 1 remeasured
  • Subplot 2 remeasured for the last time
  • Subplot 3 dropped
  • 1/100 acre regeneration plot added in the Pine type
  • Conditional Use plots not remeasured
1997 cfi plots gps ed
1997: CFI Plots GPS’ed
  • Conditional Use plots remeasured
  • Taper heights measured
  • 1/100 acre regeneration plot on all plots
  • CFI not used for AAC
  • CFI was used to calibrate both FPS and FVS growth models
  • CFI used to compute growth & mortality
the stand exam program
The Stand Exam Program
  • 1993: A need for more detailed stand-based data to implement IRMP
  • Stand health and structure important
  • USFS R6 Stand Exam protocol adopted
  • Atterbury SuperStand
  • 2 types of exams: “Formal” & “Walk-through”
the se program evolves
The SE Program Evolves
  • Switch to MB&G SIS compiler and inventory database
  • “Walk-Throughs” eliminated
  • Data used for AAC calculation
  • Count plots used to improve statistics
evolution continues
Evolution Continues
  • 1999: Eastern Oregon FPS library available
  • FPS offered a more integrated compiler-growth model-harvest scheduler
  • 2001: AAC calculated with FPS
  • Stocking survey data used to supplement SE
  • 2002: Prescribed fire monitoring begun
the wilcox stocking plots
The Wilcox Stocking Plots
  • 1985: Need to find appropriate level of stocking for uneven-age management in PP type
  • 4 areas selected to install 3 sets of 2.5 acre plots
  • 3 different levels of retention
  • All tree >1.5 inches dbh measured and stem-mapped
  • Remeasured at 5 year intervals
the future
The Future
  • Continue to improve accuracy and efficiency
  • Gather data on 12,000 acres a year
  • Use data from other programs to bolster SE
  • Have an inventory program second to none