GR - Estimation of Growth and Yield

Form: PLI - Contents of reduced plotfile to be used for increment

Form introduced: 1993

Last change: 2024

Tests

Changes

!Sequence; country; plot; gr_plot_id; code_gr_plot_design; code_gr_inv_type; date_observation; latitude; longitude; plot_size; all_trees; trees_growth_plot; trees_ha; 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
M K

Description: Growth plot ID
Format: I
Explanatory Item: 39
Introduced: 2011
5 code_gr_plot_design
M

Description: Growth plot design
Remarks: Details about the radius of subplots and thresholds for DBH measurement or description of other type of growth plot design must be reported in Data accompanying report
Format: I
Dictionary: d_gr_plot_design
Introduced: 2024
6 code_gr_inv_type
M

Description: Type of growth inventory
Format: I
Dictionary: d_gr_inv_type
Introduced: 2024
7 date_observation (DDMMYY)
M K

Description: Date of observation
Remarks: E.g. ‘9th October 2012’ = ‘091012’
Format: Date
8 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
9 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
10 plot_size (ha)
M

DB Column: total_plot_size
Description: Total plot size in hectares
Format: F
Explanatory Item: 39
11 all_trees (YES=Y, NO=N)
M

Description: All trees measured?
Remarks: When ‘NO’ is indicated, no area relation can be calculated
Format: Y/N
Introduced: 2011
12 trees_growth_plot
M

Description: Number of all standing trees (living and newly dead trees) in growth plot
Remarks: Trees per growth plot (not per ha)
Format: I
Explanatory Item: 75
Introduced: 2009
13 trees_ha
M

Description: Number of all standing trees (living and newly dead trees) in growth plot
Remarks: Trees per hectare
Format: I
Introduced: 2024
14 other_observations (FREE TEXT)

DB Column: other_obs
Description: Supplementary comments
Format: C