Tree condition and the percentage of the area under tree canopy which consists of soil and ground cover.
Conditio. | Mean percen.* | Standard deviatio. | Number of tree. |
---|---|---|---|
Vigorous, good | 70.4 | 25.9 | 475 |
Vigorous, poor | 60.4 | 32.1 | 25 |
Stable, good | 55.6 | 25.6 | 747 |
Stable, poor | 58.5 | 27.6 | 88 |
F ratio = 31.95, significance P = .0001 |
↵* Percent area under the tree canopy which consists of soil and ground cover
Note: Data not collected for trees categorized as “dead or declining.”