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October 5, 2025

The Place of Individual-Tree Data in Estimating Growth

Key Points

Using individual-tree data significantly reduces sampling error but increases costs substantially.
Gathering individual-tree data can raise costs by approximately 30% compared to standard plot measurements.
Optimal growth estimation may involve collecting individual-tree data selectively from a sample of trees.
Remeasured plots provide the best available growth estimates, highlighting the importance of good data.

Abstract

Abstract Growth estimates based on remeasured plots are recognized as the best available. But is it desirable to keep separate records for each tree on every plot? Although use of individual-tree data were found to reduce the sampling error, gathering the data increased costs by about 30 percent. The best solution seems to be a compromise: take individual-tree data from a sample of trees on the sample plots.

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Cite This Study

C. Allen Bickford (Tue,) studied this question.

synapsesocial.com/papers/68e2555bd6d66a53c2475434 https://doi.org/https://doi.org/10.1093/jof/52.6.423

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