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Early survival and height growth of douglas-fir and lodgepole pine seedling and variations in site factors following treatment of logging residues. Forest Service research paper

Technical Report ·
OSTI ID:6755120
; ;
Logging residues were (1) broadcast burned, (2) piled and burned, (3) removed, or (4) left in place after clearcutting in a high elevation subalpine fir/lodgepole pine forest in north-central Washington. Survival, height growth, and nutrient content of foliage of planted Douglas-fir and lodgepole pine seedlings, and variations in soil factors (nutrients, temperature, moisture, and compaction) and air temperature were compared for the four treatments. Little height growth occurred the first year, and it was similar for all treatments, probably due to transplant shock. Height growth the second year increased the most in the burned treatments, and the least in the slash-left treatment. Levels of nutrients in foliage were similar for all treatments and above threshold-deficiency levels except for sulfur. Extractable soil nutrients increased with burn treatments but returned to levels in other treatments within 3 years, best performance of seedlings during the first 2 years was in burn treatments.
Research Organization:
Forest Service, Portland, OR (United States). Pacific Northwest Research Station
OSTI ID:
6755120
Report Number(s):
PB-93-143261/XAB; FSRP-PNW--451
Country of Publication:
United States
Language:
English

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Related Subjects

09 BIOMASS FUELS
090800* -- Biomass Fuels-- Production-- (1990-)
ATMOSPHERIC CIRCULATION
BIOMASS
CLIMATE MODELS
CONIFERS
DEVELOPED COUNTRIES
DIMENSIONS
ENERGY SOURCES
FIRS
FORESTRY
FORESTS
GROWTH
HEIGHT
HYDROGEN COMPOUNDS
MATHEMATICAL MODELS
MOISTURE
NATIONAL ORGANIZATIONS
NORTH AMERICA
NUTRIENTS
OXYGEN COMPOUNDS
PERFORMANCE
PINES
PINOPHYTA
PLANTS
RENEWABLE ENERGY SOURCES
RESIDUES
REVEGETATION
SEASONAL VARIATIONS
SEEDLINGS
SOILS
TREES
US DOA
US FOREST SERVICE
US ORGANIZATIONS
USA
VARIATIONS
WASHINGTON
WATER