Wouleu-Ntem: region in Gabon
What exactly constitutes the spatial extent of the city? For these aggregations, we used the Global Human Settlement Layer Urban Center Database (GHS-UCDB) to define the boundaries of the city. These cities -- or urban centers -- cover areas that are densely populated and built-up, and so may extend beyond the spatial borders of these cities that we may be familiar with. The GHS area is shaded in blue.
View Wouleu-Ntem, Gabon on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Wouleu-Ntem as of 2014, the overall level of street-network sprawl is 7.63, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 6.68, 6.89, 9.0 and nan. Data was not available in 2001-2014.
Quantity of street network construction: The street network in Wouleu-Ntem spans a total of 1625 kilometers. It is dominated by roads constructed in 1991-2000. These roads have an SNDi of 9.0, which is highly disconnected.
Effect on the aggregate network: New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 6.68, 6.69, 7.63 and 7.63. Overall, the SNDi of the aggregate street network has risen: the street network in Wouleu-Ntem has become more disconnected. This increase has slowed: between 1975 and 1976-1990, SNDi rose by 0.01 points, but between 1991-2000 and 2001-2014, it rose by just 0.0.
The level of street-network sprawl in new development in Wouleu-Ntem followed a zig-zag trend. To get a sense of how street development has changed in Wouleu-Ntem, we can consider one of its most populous cities: Oyem. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Oyem followed a zig-zag trend.
How do development practices in Wouleu-Ntem fare in comparison to others in Gabon? out of the 4 regions in Gabon. Its position in the ranks since 1975 has not changed. Wouleu-Ntem ranked 2nd in 1975, 1st in 1976-1990 and 2nd in 1991-2000. There was no ranking in 2001-2014 due to unavailable data.
As of 2014, the city with the most disconnected street network in Wouleu-Ntem is Oyem with an SNDi of 5.19, which is highly disconnected. Conversely, the most connected city is Oyem with an SNDi of 5.19, which is highly disconnected. See trends for these cities: Oyem, Oyem
The level of street-network sprawl in the aggregate network in Wouleu-Ntem rose steadily. To get a sense of how the aggregate street network has changed in Wouleu-Ntem, we can consider one of its most populous cities: Oyem. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Oyem rose steadily.
To date, Wouleu-Ntem is the 2nd-most disconnected out of the 4 regions in Gabon. Its position in the ranks since 1975 has not changed. Wouleu-Ntem ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2000 and 2nd in 2001-2014.