Sustainable Forest Management on the
Yakama Reservation
Yakama Reservation
WashingtonWashington
1.4 million acresestablished by theTreaty of June 9, 1855
LanduseAGRICULTURERANGEFOREST
Agricultur
e
Total Area 1.4 million acres
RangeForest
Forest and Woodland647,172 acres = 47 %
What is sustainable forestry?
What is forest health?
What are the characteristics of a healthy forest?
A healthy forest is a condition where insects, diseases, fire and weather events do not threaten forest management objectives now and in the future
A healthy forest maintains
a diversity of plants and animals
aesthetic appeal
resource sustainability and
is resilient to disturbances
Cultural ResourcesCultural Resources FishFish Forest HealthForest Health RangeRange Revenue and Revenue and
EmploymentEmployment Water QualityWater Quality WildlifeWildlife
What do we want to sustain?
An unhealthy forest is characterized by
high levels of insects and diseases
increased mortality and
reduced forest productivity
Changes in forest health have occurred as a result of
Fire Exclusion
Livestock Grazing
Selective Timber Harvesting
Increased stand densities
and decreased tree vigor
Conversion in Timber Types
1934 1997
Extensive areas of the Yakama Forest are dominated by Douglas-fir and grand fir
Very good for the budworm
Spruce BudwormActivity
2000
205,584 acres
Western Spruce Budworm Defoliation
0
50,000
100,000
150,000
200,00019
85
1987
1989
1991
1993
1995
1997
1999
2001
Suppression Projects
Ac
res
Short Term Strategy:Recover value of deadand dying trees
Long Term Strategy:Promote the developmentof a more resilient andsustainable forest
1999 - 2003Timber Sales288,159 Acres
Prescribedfire
Low-Intensityburn
Before Silvicultural Treatment
After Silvicultural Treatment
Volume Harvested 1993-2002
050
100150
200250
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
Year
Vo
lum
e (M
MB
F)
AAC
Harvest
Inventory1934 4 Billion BF1996 11 Billion BF
Total Harvest6 Billion BF
VOLUME HARVESTED 1944-2002
0
50
100
150
200
25019
44
1947
1950
1953
1956
1959
1962
1965
1968
1971
1974
1977
1980
1983
1986
1989
1992
1995
1998
2001
Year
Vo
lum
e (M
MB
F)
Thank You
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