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Related Downloads

Africover data

Spatial aggregations parameters : Eritrea

This table synthesizes the area thresholds used to spatially aggregate the land cover data base and the polygon count before and after the aggregation:

ORIGINAL
SPATIAL AGGREGATION
LC GROUP
POLYGON-COUNT
AREA THRESHOLD
POLYGON-COUNT
A11 & A23 - Cultivated Terrestrial & Aquatic
2695
< 125 ha
1885
A12 - Natural Vegetation - Terrestrial
9474
< 140 ha
6660
A24 - Natural Vegetation - Aquatic
239
< 45 ha
184
B15 - Artificial Surfaces
160
< 25 ha
108
B16 - Bare Areas
1998
< 115 ha
1450
B27 & B28 - Artificial & Natural Water
438
< 20 ha
309
TOTAL POLYGONS
15004
-
10596

You can also download the table (pdf) containing the detailed comparison between the polygon counts of the original and spatially aggregated data base. (If you do not have Adobe Acrobat, use the right mouse button and save target to your hardisk)

 

   
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