RELISATION OF A UMT ON DOUALA:
FEASABILITY AND PROSPECTS
By Rodrigue Aimé Feumba, Fotsing, Kandé
PLAN
1- Brief presentation of DOUALA
2- presentation of the evolution of the town
3- UMT or geographical units in Douala ( attributes and
associated fonctions)
4- Realisation of a transect
5- indicatif agenda for the task and expected results
Main features of Douala
- a coastal town , built at the
Wouri estuary (24 Km to the
Atlantic Ocean) in low land
(0=100m); high temperatures (
above 25 °C,) abondant rainfall
( 4000 mm from march to
November…)
- High frequence of floods and
wind storms
-post colonial town exist before
1884 (German protectorat in
Cameroon) = the oldest town
of the country
- 2,5
millions
inhabitants
(BUCREP, 2010, CUD, 2011)
With a 5% growth rate per year
5 millions in 2025
-surface area: 300 km2
-The economical Capital of the
country with the biggest port
industries
BRIEF EVOLUTION OF THE TOWN
Années
Population
Superficie
Densités de
(Ha)
population/ha
1955
115 000
1098
105
1961
155 000
1336
115
1965
200 000
1534
130
1970
320 000
1992
160
1980
750 000
4800
208
1990
1 500 000
9456
212
2000
2 000 000
17 850
224
2010
2 500 000
30 000
• Tab. 24 -Projection de la population de Douala à l’horizon
2025 (en 1000)
• 1964 1976 1987 2005 2010 2015 2020 2025
• Hypothèse tendancielle 229 458 810 1 907 2 370 2 888 3 458
4 074
• Hypothèse haute 229 458 810 1 907 2 419 3 069 3 893 4 937
• Hypothèse basse 229 458 810 1 907 2 364 2 798 3 233 3 659
• Hypothèse tendancielle 5,94% 5,31% 4,87% 4,43% 4,03%
3,67% 3,34%
• Hypothèse haute 5,94% 5,31% 4,87% 4,87% 4,87% 4,87%
4,87%
• Hypothèse basse 5,94% 5,31% 4,87% 4,38% 3,63% 3,12%
2,67%
Evolution of the population and projections
Evolution spatiale de Douala de 1964 à 1974
Fig. 8 – Etapes d'urbanisation et zones d'habitat spontané
élargissement à l’horizon 2025
3- UMT or geographical units in Douala ( attributes and
associated fonctions)
-
Port area ( 1000 ha)
Industrial areas
Administratif zone
Planned residentials areas
Unplanned, informal or sponteneous residential areas ( 35%)
markets,
Other Publics places (stadia…)
Mangroves
Forest ( relics or surrounding)
Cultivated parcels ( to provide food and incomes…)
Green spaces/parks ( put in place and preserve by the local governance autirity)
Transports infrastructures: roads, rail ways, bridges ( 1 km)
River Wouri, scanty water
Sand ( plages)
Poubelles sauvages ( tas d’ordures)
1-Port area
Attribute: 1000 ha; 500 exploited. Estuary Port;
Fonction: 95% of importations of Cameroon and the central africa
Port de Douala: situation Projet de développement)
2- industrial areas: near the port in the old town and in Bonabéri
( rigth site of Wouri)
- Attributes: grouped in 2-3 zones
- Fonction: 70 % des industries
Unit
Habitat structuré
Habitat spontannée
Voies routières et ferroviaires
Installations portuaires et
industrielles
Zone administrative
Espace vert:
Sauvage ( mangrove, jacinthe…
Espace vert planté et entrtenu
Zone d’agriculture intra urbaine.
Zone commerciales (marcés)
attributes
fonction
Principaux points de blocage sur le réseau primaire et pôles
économiques
MODELE NUMERIQUE DE TERRAIN
Land use map in Douala
• Transects et delais