Dogondoutchi: city in Dosso, Niger
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 Dogondoutchi, Niger on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Dogondoutchi as of 2014, the overall level of street-network sprawl is -0.03, which is very well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.05, -0.38, -0.44 and 0.16. The disconnectivity of new streets constructed in Dogondoutchi fell, then rose. In 1991-2000, new street layouts were the most connected.
Quantity of street network construction: The street network in Dogondoutchi spans a total of 123 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 0.16, which is very well-connected.
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 0.05, -0.17, -0.19 and -0.03. The SNDi of the aggregate street network in fell at first, but Dogondoutchi has worsened in disconnectivity since 2000.
Dogondoutchi and Dosso do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Dogondoutchi was at its lowest in 1991-2000, while the SNDi of street constructions in Dosso followed a zig-zag trend with an overall increase.
How do development practices in Dogondoutchi fare in comparison to others in Dosso? Most recently in 2001-2014, street construction in Dogondoutchi was the 3rd-most disconnected out of the 3 cities in Dosso. Its position in the ranks since 1975 has fallen; relative to other cities in Dosso, street construction in Dogondoutchi has become more connected. Dogondoutchi ranked 2nd in 1975, 2nd in 1976-1990, 3rd in 1991-2000 and 3rd in 2001-2014.
Dogondoutchi and Niger do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Dogondoutchi was at its lowest in 1991-2000, while the SNDi of street constructions in Niger rose steadily.
How do development practices in Dogondoutchi fare in comparison to others in Niger? Most recently in 2001-2014, street construction in Dogondoutchi was the 14th-most disconnected out of the 21 cities in Niger. Its position in the ranks since 1975 has fallen; relative to other cities in Niger, street construction in Dogondoutchi has become more connected. Dogondoutchi ranked 4th in 1975, 13th in 1976-1990, 13th in 1991-2000 and 14th in 2001-2014.
Dogondoutchi and Dosso do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Dogondoutchi was at its lowest in 1991-2000, while the SNDi of street constructions in Dosso rose steadily.
To date, Dogondoutchi is the 3rd-most disconnected out of the 3 cities in Dosso. Its position in the ranks since 1975 has fallen; relative to other cities in Dosso, the street network in Dogondoutchi has become more connected. Dogondoutchi ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2000 and 3rd in 2001-2014.
Dogondoutchi and Niger do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Dogondoutchi was at its lowest in 1991-2000, while the SNDi of street constructions in Niger rose steadily.
To date, Dogondoutchi is the 15th-most disconnected out of the 21 cities in Niger. Its position in the ranks since 1975 has fallen; relative to other cities in Niger, the street network in Dogondoutchi has become more connected. Dogondoutchi ranked 4th in 1975, 13th in 1976-1990, 17th in 1991-2000 and 15th in 2001-2014.
As of 2015, Dogondoutchi had a built-up area of 3.94 square kilometers, and a population of 180331 people.
These are some other cities with approximately the same population: