GV - Assessment of Ground Vegetation

Form: VEM - Contents of datafile with ground vegetation assessment

Form introduced: 2002

Last change: 2011

Tests

Changes

!Sequence; plot; sample_id; survey_nr; species; layer; substrate; species_cover; certainty; other_observations

POSITION FIELD DESCRIPTION
1 Sequence

Description: Continuous number to identify the line of the submitted file
Format: I
2 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
3 sample_id
M K

Description: Unique and persistend ID of each sampling unit on the plot
Format: I
Explanatory Item: 87
Introduced: 2011
4 survey_nr
M K

DB Column: survey_number
Description: Unique number per survey conducted in a sampling unit during this year
Format: I
Explanatory Item: 91
5 species
M K

DB Column: code_species
Description: Species code
Remarks: According to Flora Europaea
Format: C
Dictionary: d_species_list
Explanatory Item: 97
6 layer
M K

DB Column: code_layer_surface
Format: I
Dictionary: d_layer_surface
7 substrate
M K

DB Column: code_substrate
Format: I
Dictionary: d_substrate
Explanatory Item: 96
Introduced: 2011
8 species_cover (%)

Description: Cover of the species in the layer
Missing value (NULL): -99
Remarks: Use “-99” if cover percentage is unkown
Format: F
Explanatory Item: 98
9 certainty

DB Column: code_certainty
Description: Certainty of species determination
Format: I
Dictionary: d_certainty
Introduced: 2011
10 other_observations (FREE TEXT)

DB Column: other_obs
Description: Supplementary comments
Format: C