Belgium Flanders GSAA

Short Description

Flemish Geo-spatial Aid Application (GSAA) data is managed by the Belgium Department of Agriculture and Fisheries. It contains the parcels that are in agricultural use on the deadline for submission of the single application that year. The register also includes pounds, wood edges and agricultural production facilities (stables and similar buildings). The inventory of these parcels takes place annually in the context of the payment of the (co-financed) European agricultural subsidies and the Flemish manure legislation. It can be used for consultation or study of the land use of agricultural parcels for the year in question. This dataset does not contain all data from original GSAA dataset. Only the main crop and the production method are included as attribute information. It forms the basis for the aforementioned registration. The GSAA is prepared with screen digitization of the agricultural parcels of each farmer individually, based on the agricultural parcels of the previous year and the farmer's collective application. For the background, the most recent colour orthophotos of the Flemish Geographical Information Agency (AGIV) at that time are used.

Coordinate Reference System

EPSG: 31370 (Belge 1972 / Belgian Lambert 72 -- Belgium) , more info
Use the GDAL command below to convert the GSAA collection's CRS into CRS of your choice:

ogr2ogr [-s_srs srs_def] [-t_srs srs_def] [dstfile] [srcfile]

s_srs <srs_def>: set source spatial reference
t_srs <srs_def>: set target spatial reference
<dstfile>: file with destination projection definition
<srcfile>: file with source projection definition

Example of converting from EPSG:31370 to EPSG:3857

ogr2ogr -s_srs EPSG:31370 -t_srs EPSG:3857 gsaa_3857.shp gsaa_31370.shp

Attribute Information

Table 1: Description of Attributes

Name	Type	Description
OIDN	Long	Object identifier. Serial number assigned by the AGIV based on the ALVID
UIDN	Long	Identifier assigned by the AGIV. The combination of OIDN and UIDN is a unique identifier
ALVID	Long	Unique identifier assigned by Department for agriculture and fisheries (LV)
HFDTLT	String	Main crop type, i.e. parcel crop type on 21st April of the relevant year
LBLHFDTLT	String	Crop type description
GEWASGROEP	String	Crop group
PM	String	Production method code
LBLPM	String	Production method code description
LENGTE	Double	Perimeter calculated based on the geometry of the polygon (in m)
OPPERVL	Double	Parcel area calculated based on the geometry of the polygon (in m²)

Table 2: Description of crop groups (GEWASGROEP)

GEWASGROEP	English Description
Aardappelen	Potatoes
Fruit en Noten	Fruits and nuts
Granen, zaden en peulvruchten	Grains, seeds and legumes
Grasland	Grassland
Groenten, kruiden en sierplanten	Vegetables, herbs and ornamental plants
Houtachtige gewassen	Trees and shrubs
Landbouwinfrastructuur	Agricultural infrastructure
Maïs	Maize
Overige gewassen	Other crops
Suikerbieten	Sugar beet
Vlas en hennep	Flax and hemp
Voedergewassen	Fodder crops
Water	Water

More Information

References

Online Resources

Publicly available compressed ESRI shapefiles or GML (2. 1. 2), (section “Landbouw en veeteelt”) updated annually. There are no limitations to the use of these data.
Download via Geopunt catalog with title "Landbouwgebruikspercelen"
Geopunt Map, central gateway to geographic government information. Under Thema’s > Landbouw, visserij en economie > Landbouw.

Geographic Location

Source: ESRI National Geographic