Some geometric constraints on ring-width trend
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Abstract
Simulations of tree rings from trees of undisturbed forest sites are used to describe natural, long-term width trends. Ring-width trends of canopy-sized white oak are simulated from regressions of BAI(ring area) data of real trees. Examples are given of a tree from a typical re-growth forest in Illinois and of a more slowly growing tree from an old-growth forest in Kentucky. The long-term width trend was simulated as being toward constant ring width regardless of growth rate of the tree. Conditions by which either increasing or decreasing ring-width trends could be simulated from the same linear BAI trend are examined. I conclude that curvilinear width trends, either increasing or decreasing, represent width adjustments to changes in growth rate (BAI trend) after which the width trend stabilizes to a near-constant value. Interpretation of ring-width trends of trees from undisturbed stands may be useful in assessing stand disturbance history.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Some geometric constraints on ring-width trend |
| Series title | Tree-Ring Research |
| DOI | 10.3959/1536-1098-61.2.73 |
| Volume | 61 |
| Issue | 2 |
| Year Published | 2005 |
| Language | English |
| Publisher | Tree-Ring Society |
| Description | 4 p. |
| First page | 73 |
| Last page | 76 |
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