Title:

Data for ten-year growth, survival, and wound closure response to bole, root, and crown damage in young Douglas-fir trees

Author(s):

Jones, Dryw A.

Publication Year:

2020

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Jones, Dryw A. 2020. Data for ten-year growth, survival, and wound closure response to bole, root, and crown damage in young Douglas-fir trees. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2020-0031

Abstract:

Data for this study were collected in six Douglas-fir (Pseudotsuga menziesii) stands between 23 to 26 years old in the Capitol State Forest in western Washington beginning with pre-treatment measurements in 2005. Each stand contained at least 240 trees that were larger than 10 centimeters (cm) at 1.3 meters (m) bole height above the ground, diameter at breast height (DBH). Trees within the stand were stratified by DBH class then randomly assigned to one of 16 treatments with each DBH class represented in each treatment resulting in a total of 1,440 study trees. Trees were assigned to bole damage, root damage, bole and root damage, or control treatments. Bole damage resulted from removing bark from a percentage of bole circumference (20%, 40%, 60%, 80%, 90%, or 100%) along either 1 m or 2 m of bole. Root damage was targeted to damage 25% or 50% of the root cross sectional area. Controls did not damage roots or the bole. Tree DBH, total height, height to live crown, mortality status, and average wound callus width and height were recorded periodically over a ten year period after treatments were applied.

Keywords:

farming; Natural Resource Management & Use; Forest management; tree growth; height growth; diameter growth; mortality; bole damage; root damage; crown damage; wound closure; Douglas-fir; Pseudotsuga menziesii; Washington; Capitol State Forest; Thurston County

Related publications:

• Jones, Dryw A.; Harrington, Constance A.; Marshall, David. 2018. Survival, and growth response of Douglas-fir trees to increasing levels of bole, root, and crown damage. Forest Science. 65(2): 143-155. https://doi.org/10.1093/forsci/fxy041 https://research.fs.usda.gov/treesearch/57969
• Jones, Dryw A.; Harrington, Constance A.; Marshall, David. 2018. Modeling wound-closure response over time in Douglas-fir trees. Forest Science. 65(2): 156-163. https://doi.org/10.1093/forsci/fxy049 https://research.fs.usda.gov/treesearch/58148

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