G.I.S

The GIS unit mainly serves the requirements of census and survey operations in the provision and update of maps.  Presently this unit is using orthophoto base maps to update land structures (mainly housing) which are drawn manually during field exercises.  These are then systematically coded and digitized.

In collaboration with the Ministry of Land Use and Habitat (MLUH) work is in progress to digitize the newly defined enumeration areas boundaries and new housing developments to produce up-to-date maps for forthcoming surveys and censuses.  To date structural layers for 8 out of 25 administrative districts have been digitized.  

The mapping update has now become a routine exercise, which not only caters for field tools during national censuses and household surveys but provides listings that serve as the most up-to-date sampling frame and also provides intercensal estimates on the number of houses.

NSB has also produced a Census Atlas, in addition to its 2002 Population and Housing Census Report.  The Census Atlas which is a first for Seychelles and for the NSB provides spatial analysis of data and provides an interesting means of communicating demographic, housing and household information more effectively to all users of data. 

This Atlas is a thematic representation of various attributes using maps.  These maps also demonstrate the capability of GIS in statistical and spatial analysis.  They show some of the population, housing and household characteristics in Seychelles based on the 2002 Population and Housing Census.

To view the samples of different GIS maps, please visit the Downloads section.