GR - Growth and Yield

Form: INV - Plot based information

Active since: 1984 Last change: 2016

Tests

Changes

!Sequence; country; plot; gr_plot_id; latitude; longitude; altitude; date_sampling; tree_species; trees_remain; trees_dead; trees_removed; volume_stemwood_remaining; volume_stemwood_newlydead; volume_stemwood_removed; diameter_basal_area_tree; height_basal_area_tree; top_height_absolute; trees_top_height; top_height_relative; percentage_top_height_relative; other_observations

POSITION FIELD DESCRIPTION
1 Sequence

Description: Continuous number to identify the line of the submitted file
Format: I
2 country
M

DB Column: code_country
Description: ID of the country
Format: I
Dictionary: d_country
3 plot
M

DB Column: code_plot
Description: Observation plot number
Remarks: A unique number (per country) given to the permanent plot during the selection or installation
Format: I
4 gr_plot_id
K

Description: Growth plot ID
Format: I
Explanatory Item: 39
5 latitude (+DDMMSS)
M

Description: Latitude in Degrees Minutes Seconds (WGS84)
Remarks: E.g. '+505852' = 50 Degree, 58 Minutes, 52 Seconds
Format: C
Explanatory Item: 4
6 longitude (+/-DDMMSS)
M

Description: Longitude in Degrees Minutes Seconds (WGS84)
Remarks: E.g. '+035531' = 3 Degree, 55 Minutes, 31 Seconds
Format: C
Explanatory Item: 4
7 altitude (m)
M

DB Column: code_altitude
Description: Altitude above sea level in 50 meter classes
Format: I
Dictionary: d_altitude
8 date_sampling (DDMMYY)
M K

Description: Date of sampling
Remarks: E.g. '9th October 2012' = '091012'
Format: Date
9 tree_species
M K

DB Column: code_tree_species
Description: Coded tree species
Format: I
Dictionary: d_tree_spec
Explanatory Item: 70
10 trees_remain

Description: Number of remaining trees
Remarks: All trees/shoots from 5/3 cm (DBH) and more are counted
Format: I
11 trees_dead

Description: Number of newly dead trees
Remarks: All trees/shoots from 5/3 cm (DBH) and more are counted
Format: I
12 trees_removed

Description: Number of removed trees
Remarks: All trees/shoots from 5/3 cm (DBH) and more are counted
Format: I
13 volume_stemwood_remaining (m³/ha)

DB Column: stemvol_remain
Description: Stemwood volume
Remarks: Remaining = alive trees only (rounded to 1 decimal)
Format: F
Explanatory Item: 68
14 volume_stemwood_newlydead (m³/ha)

DB Column: stemvol_dead
Description: Stemwood volume
Remarks: Newly dead (rounded to 1 decimal)
Format: F
Explanatory Item: 68
15 volume_stemwood_removed (m³/ha)

DB Column: stemvol_removed
Description: Stemwood volume
Remarks: Removed = alive in previous ass. trees missing since last inventory (rounded to 1 decimal)
Format: F
Explanatory Item: 68
16 diameter_basal_area_tree (cm)

Description: Diameter of basal area mean tree
Remarks: Remaining = alive trees only, rounded to the nearest 0.1 centimeters
Format: F
Explanatory Item: 72
17 height_basal_area_tree (m)

Description: Height of basal area mean tree
Remarks: Rounded to the nearest 0.1 meters
Format: F
Explanatory Item: 72
18 top_height_absolute (m)

Description: Top height absolute
Remarks: Rounded to the nearest 0.1 meters
Format: F
Explanatory Item: 73
19 trees_top_height

Description: Number of largest trees absolute top height was calculated for
Format: I
Explanatory Item: 73
20 top_height_relative (m)

Description: Top height relative
Remarks: Rounded to the nearest 0.1 meters
Format: F
Explanatory Item: 73
21 percentage_top_height_relative (%)

Description: Percentage of largest trees relative top height was calculated for
Format: F
Explanatory Item: 73
22 other_observations (FREE TEXT)

DB Column: other_obs
Description: Supplementary comments
Format: C