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Adjustments to forest inventory and analysis estimates of 2001 saw-log volumes for Kentucky / by Stanley J. Zarnoch and Jeffery A. Turner.
- Format:
- Book
- Government document
- Author/Creator:
- Zarnoch, Stanley J.
- Series:
- Research paper SRS ; 38.
- Research paper SRS ; 38
- Language:
- English
- Subjects (All):
- Forests and forestry--Kentucky--Measurement--Mathematical models.
- Forests and forestry.
- Forest surveys--Kentucky--Mathematical models.
- Forest surveys.
- Forest surveys--Mathematical models.
- Forests and forestry--Measurement--Mathematical models.
- Kentucky.
- Physical Description:
- 1 online resource (4 pages)
- Place of Publication:
- Asheville, N.C. : U.S. Dept. of Agriculture, Forest Service, Southern Research Station, [2005]
- Summary:
- "The 2001 Kentucky Forest Inventory and Analysis survey overestimated hardwood saw-log volume in tree grade 1. This occurred because 2001 field crews classified too many trees as grade 1 trees. Data collected by quality assurance crews were used to generate two types of adjustments, one based on the proportion of trees misclassified and the other on the proportion of saw-log volume misclassified. Measures of variability for the estimated proportions were based on a cluster sampling design. Both methods significantly reduced estimated saw-log volume in tree grade 1. We believe that the saw-log volume approach is superior to the tree approach, but that both approaches generate improved estimates of tree grade saw-log volumes. The standard errors of the adjustment proportions are given and can be used to calculate standard errors of the adjusted values."
- Notes:
- Title from title screen (viewed May 21, 2007).
- "September 2005"--Title page verso
- Includes bibliographical references.
- Electronic reproduction. [Place of publication not identified]: HathiTrust Digital Library. 2023.
- Other Format:
- Print version: Adjustments to forest inventory and analysis estimates of 2001 saw-log volumes for Kentucky.
- OCLC:
- 133077036
- Access Restriction:
- Use copy Restrictions unspecified
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