TP104

Attributes in entity 9: Density of Understory Trees (U-F)		Details
1. DATACODE Definition: FSBD Database Code Domain: enum
2. ENTITY Definition: Entity Number Units: number Domain: range (minimum = 9.  maximum = 9.)
3. YEAR Definition: Year in which plot was sampled Units: year (yyyy) Domain: range (minimum = 1994.  maximum = 1996.)
4. DISTRICT Definition: National Forest System Code indicating location of the study block by National Forest and Ranger District Domain: enum
5. BLOCK Definition: Sample block Domain: enum
6. TRT Definition: Treatment unit Domain: enum
7. PLOT Definition: Sample plot code designating block, plot, and a grid system location (e.g. 1A7: 1 = TRT, A = Row, 7 = Column) Domain: place
8. TRANS Definition: Letter Code designating Transect (A,B,C,D) Domain: enum
9. TREE_SPP Definition: Species code according to Garrison et al., 1976 Domain: taxa
10. ORIGIN Definition: A 1-letter code indicating whether an understory tree is of natural or planted origin Domain: enum
11. HTCLASS Definition: Height class of the understory tree Domain: enum
12. TALLY Definition: The total number of understory trees within the height class Units: number Domain: range (minimum = 1.  maximum = 90.)
14. SAMPLEDATE Definition: Date on which plot was sampled Units: date as date type Domain: range (minimum = Aug 16 1994  maximum = Sep 11 1996)