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Title: Estimators and Characteristics of Logging Residue in California : Final Report.

Technical Report ·
OSTI ID:6307169

This study, designed to meet the needs of site-specific analysis of logging residue throughout the State of California, has two primary objectives. First was to develop analytical tools for estimating the volume of logging residue for any uniquely defined supply zone in California. Volume estimators developed in this study relate residue volume to both timber harvest volume and acreage. Second was to describe and classify residue by characteristics that affect utilization. Residue materials were classified as to gross and net volume of logging residue by diameter and length, for live, and dead and cull; to number of pieces of residue per acre, by diameter and length; to volume of residue by percent sound (chippability), in cubic feet per acre; to accessibility of residue on cutover areas, by slope and distance to road; and to volume by softwoods and hardwoods. Residue ratios and characteristics data are displayed for eight sample strata in California, based on geographic area, owner class - harvest method, and forest type. Within geographical areas owner class - harvest method strata were selected on the basis of expected differences in residue volume, availability of data, and land management objectives. A separate stratum was selected for the Ponderosa pine forest type in eastern California based on expected differences in residue volume and characteristics. Study results are based on measurements of logging residue on 220 cutover areas allocated across the eight strata. 12 refs., 8 figs., 47 tabs.

Research Organization:
Forest Service, Portland, OR (USA). Pacific Northwest Forest and Range Experiment Station
Sponsoring Organization:
United States. Bonneville Power Administration.
DOE Contract Number:
AI79-84BP17608
OSTI ID:
6307169
Report Number(s):
DOE/BP-17608-T1; ON: DE87013424
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products; Related Information: Research paper PNW; 355.
Country of Publication:
United States
Language:
English