tp001

Attributes in entity 7: Stand by species summaries for bole npp		Details
1. DBCODE Definition: FSDB Database Code Domain: enum
2. ENTITY Definition: Data table number Units: number Domain: range (minimum = 7.  maximum = 7.)
3. STANDID Definition: Study forest stand or watershed identification code Domain: place
4. YEAR_BEGIN Definition: Beginning year of measurement interval Units: number Domain: range (minimum = 1910.  maximum = 2018.)
5. YEAR_END Definition: Ending year of measurement interval Units: number Domain: range (minimum = 1915.  maximum = 2019.)
6. SPECIES Definition: Tree species code Domain: taxa
7. DELTA_TPH_NHA Definition: Change in number of live trees per hectare over the interval Units: number per hectare Domain: range (minimum = -1200.0000  maximum = 1500.0000)
8. DELTA_BA_M2HA Definition: Change in live basal area per hectare over the interval Units: square meters per hectare Domain: range (minimum = -150.0000  maximum = 100.0000)
9. DELTA_VOL_M3HA Definition: Change in live bole wood volume over the interval Units: cubic meters per hectare Domain: range (minimum = -2000.0000  maximum = 2000.0000)
10. DELTA_BIO_MGHA Definition: Change in live bole biomass using local BIOPAK equations (Means et al. 1994) over the interval Units: megagrams per hectare Domain: range (minimum = -1000.0000  maximum = 1000.0000)
11. DELTA_JENKBIO_MGHA Definition: Change in total aboveground live biomass using Jenkins et al. (2003) equations over the interval Units: megagrams per hectare Domain: range (minimum = -1000.0000  maximum = 1000.0000)
12. MEAN_ANNUAL_NPP_BIO Definition: mean annual net primary productivity using BIOPAK bole biomass; annual NPP was estimated by summing the change in biomass with the biomass of trees that died during a measurement interval and dividing that sum by the number of years between measurements Units: megagrams per hectare per year Domain: range (minimum = -25.000  maximum = 100.000)
13. MEAN_ANNUAL_NPP_JENKBIO Definition: mean annual net primary productivity using Jenkins et al. (2003) aboveground biomass; estimated by summing change in biomass with biomass of trees that died during a measurement interval and dividing that sum by the number of years between measurements Units: megagrams per hectare per year Domain: range (minimum = -30.000  maximum = 120.000)
14. NO_PLOTS Definition: Number of plots summarized for the year Units: number Domain: range (minimum = 1.  maximum = 101.)
15. MORTRATE_TPH Definition: Mortality rate for trees per hectare per year ((1 - (1 - (DeadTPH/PreviousLiveTPH))**(1/Interval))*100) Units: percent Domain: range (minimum = 0.0000  maximum = 100.0000)
16. MORTRATE_BAPH Definition: Mortality rate for basal area per year ((1 - (1 - (DeadBAPH/PreviousLiveBAPH))**(1/Interval))*100) Units: percent Domain: range (minimum = 0.0000  maximum = 100.0000)
17. MORTRATE_BIO Definition: Mortality rate for bole wood volume per year calculated using local BIOPAK equations (Means et al. 1994); ((1 - (1 - (DeadBiomPH/PreviousLiveBiom))**(1/Interval))*100) Units: percent Domain: range (minimum = 0.0000  maximum = 100.0000)
18. MORTRATE_JENKBIO Definition: Mortality rate for total aboveground biomass per year using Jenkins et al. (2003) equations per hectare; ((1 - (1 - (DeadJenkPH/PreviousLiveJenk))**(1/Interval))*100) Units: percent Domain: range (minimum = 0.0000  maximum = 100.0000)