Doka Ashafa: city in Katsina, Nigeria
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 Doka Ashafa, Nigeria on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Doka Ashafa as of 2014, the overall level of street-network sprawl is 0.65, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are -0.76, -0.76, -1.1 and 1.21. The disconnectivity of new streets constructed in Doka Ashafa fell, then rose. In 1991-2000, new street layouts were the most connected.
Quantity of street network construction: The street network in Doka Ashafa spans a total of 108 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 1.21, which is relatively 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 -0.76, -0.77, -0.78 and 0.65. The SNDi of the aggregate street network in fell at first, but Doka Ashafa has worsened in disconnectivity since 2000.
Doka Ashafa and Katsina do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Doka Ashafa was at its lowest in 1991-2000, while the SNDi of street constructions in Katsina peaked in 1991-2000.
How do development practices in Doka Ashafa fare in comparison to others in Katsina? Most recently in 2001-2014, street construction in Doka Ashafa was the 8th-most disconnected out of the 16 cities in Katsina. Its position in the ranks since 1975 has fallen; relative to other cities in Katsina, street construction in Doka Ashafa has become more connected. Doka Ashafa ranked 7th in 1975, 13th in 1976-1990, 7th in 1991-2000 and 8th in 2001-2014.
Doka Ashafa and Nigeria do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Doka Ashafa was at its lowest in 1991-2000, while the SNDi of street constructions in Nigeria peaked in 1991-2000.
How do development practices in Doka Ashafa fare in comparison to others in Nigeria? Most recently in 2001-2014, street construction in Doka Ashafa was the 277th-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has fallen; relative to other cities in Nigeria, street construction in Doka Ashafa has become more connected. Doka Ashafa ranked 231st in 1975, 341st in 1976-1990, 261st in 1991-2000 and 277th in 2001-2014.
Doka Ashafa and Katsina do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Doka Ashafa was at its lowest in 1991-2000, while the SNDi of street constructions in Katsina rose steadily.
To date, Doka Ashafa is the 9th-most disconnected out of the 16 cities in Katsina. Its position in the ranks since 1975 has fallen; relative to other cities in Katsina, the street network in Doka Ashafa has become more connected. Doka Ashafa ranked 7th in 1975, 13th in 1976-1990, 13th in 1991-2000 and 9th in 2001-2014.
Doka Ashafa and Nigeria do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Doka Ashafa was at its lowest in 1991-2000, while the SNDi of street constructions in Nigeria rose steadily.
To date, Doka Ashafa is the 307th-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has fallen; relative to other cities in Nigeria, the street network in Doka Ashafa has become more connected. Doka Ashafa ranked 231st in 1975, 361st in 1976-1990, 370th in 1991-2000 and 307th in 2001-2014.
As of 2015, Doka Ashafa had a built-up area of 2.52 square kilometers, and a population of 119535 people.
These are some other cities with approximately the same population: