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Related Downloads

Africover data

Spatial aggregations parameters : Tanzania

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
11636
< 580 ha
8159
A12 - Natural Vegetation - Terrestrial
15721
< 475 ha
11010
A24 - Natural Vegetation - Aquatic
4323
< 315 ha
3047
B15 - Artificial Surfaces
496
< 90 ha
333
B16 - Bare Areas
82
< 150 ha
57
B27 & B28 - Artificial & Natural Water
433
< 110 ha
303
TOTAL POLYGONS
32691
-
22904

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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