HF030

Attributes in entity 4: Individual tree data		Details
1. DBCODE Definition: FSDB Database Code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 4.  maximum = 4.)
3. SAMPLE_DATE Definition: Date of sample collection in the field Units: date as date type Domain: range (minimum = Jun 28 2004  maximum = Jul 1 2004)
4. PLOTID Definition: Permanent veg plot code - samples were collected just outside veg plots Domain: place
5. PLOT Definition: plot number Units: number Domain: range (minimum = 3.  maximum = 39.)
6. PLOT_REF_LOC Definition: Plot reference location used to site sampling location Domain: enum
7. TREE_TAG Definition: Trees were tagged and repeatedly sampled. Sometimes a duplicate sample was collected during the last set of sampling. Units: number Domain: range (minimum = 401.  maximum = 502.)
8. SPECIES Definition: Tree species code Domain: taxa
9. AZ_FROM Definition: Azimuth from plot reference location to tree Units: degrees azimuth Domain: range (minimum = 14.  maximum = 349.)
10. DIST_FROM Definition: Distance from plot reference location to tree Units: meters Domain: range (minimum = 1.3  maximum = 17.5)
11. DBH Definition: Tree diameter at breast height Units: centimeters Domain: range (minimum = 7.0  maximum = 62.0)
12. CLIN_DIST Definition: Distance from tree to clinometer reading Units: meters Domain: range (minimum = 6.0  maximum = 34.0)
13. CLIN_READ Definition: Clinometer reading from top of tree Units: percent Domain: range (minimum = 11.  maximum = 190.)
14. SLOPE Definition: Slope Units: percent Domain: range (minimum = 2.  maximum = 80.)
15. TREE_HEIGHT Definition: Tree height (((cosine(arctangent(slope)))*clin_dist)*clin_read) Units: meters Domain: range (minimum = 0.8  maximum = 38.8)
16. TREE_AGE Definition: Tree age Units: number of years Domain: range (minimum = 14.  maximum = 190.)
17. NOTES Definition: Notes about sample from the field Domain: freetext