TD014

Attributes in entity 8: Ryan et al Cell Wall Chemistry of Bark and Wood Samples		Details
1. DBCODE Definition: FSDB Database code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 8.  maximum = 8.)
3. STUDYID Definition: Study identification Domain: enum
4. LOG_SPECIES Definition: Species of log Domain: taxa
5. TIME Definition: Time log has been decaying Units: number of years Domain: range (minimum = 0.  maximum = 7.)
6. YEAR Definition: Year of measurement; does not necessarily reflect time decaying in field Units: year (yyyy) Domain: range (minimum = 1985.  maximum = 1993.)
7. SUBTYPE Definition: Substrate type(e.g. innerbark, heartwood) Domain: enum
8. SUBNUM Definition: Unique number for each subtype in a given studyid, species, year, time. Used for primary key. Units: number Domain: range (minimum = 1.  maximum = 3.)
9. ASH Definition: Ash content Units: percent Domain: range (minimum = 0.000  maximum = 3.900)
10. LIGNINR Definition: Lignin content based on Effland 1977 Tappi 6(10) ligin is defined as the res d digest at 100 c. this for extact free wood Units: percent Domain: range (minimum = 20.87  maximum = 71.83)
11. ACIDSOL Definition: Acid soluble carbohydrates, based upon Effland 1977 Tappi 6(100) digestion in 72% sulfuric acid, this is for extractive free wood Units: percent Domain: range (minimum = 16.13  maximum = 71.16)
12. NPE Definition: Non polar extractives, dichloromehtane (CH2Cl2) in sonicator 90 min Units: percent Domain: range (minimum = 0.19  maximum = 18.56)
13. WSE Definition: Water soluble extractives, 3 hours in 100 c water, ryan et al method Units: percent Domain: range (minimum = 3.11  maximum = 16.21)
14. WSSUG Definition: Percent of water soluble matter that is sugar, phenol-sulfuric acid assay Units: percent Domain: range (minimum = 0.43  maximum = 7.27)
15. ASSUG Definition: Percent of acid soluble carbohydrates that is sugar, using phenol-surfuric a Units: percent Domain: range (minimum = 2.86  maximum = 79.61)
16. TANNIN Definition: Tannin content based upon folin-denis method using tannic acid as a standard Units: percent Domain: range (minimum = 0.20  maximum = 8.31)