PLAN 1- Brief presentation of DOUALA

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1 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

2 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

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4 BRIEF EVOLUTION OF THE TOWN
Années Population Superficie (Ha) Densités de population/ha 1955 1098 105 1961 1336 115 1965 1534 130 1970 1992 160 1980 4800 208 1990 9456 212 2000 2  17 850 224 2010 30 000

5 Tab. 24 -Projection de la population de Douala à l’horizon 2025 (en 1000)
Hypothèse tendancielle Hypothèse haute Hypothèse basse 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%

6 Evolution of the population and projections

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8 Evolution spatiale de Douala de 1964 à 1974

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10 Fig. 8 – Etapes d'urbanisation et zones d'habitat spontané

11 élargissement à l’horizon 2025

12 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)

13 1-Port area Attribute: 1000 ha; 500 exploited
1-Port area Attribute: ha; 500 exploited. Estuary Port; Fonction: 95% of importations of Cameroon and the central africa

14 Port de Douala: situation Projet de développement)

15 Attributes: grouped in 2-3 zones Fonction: 70 % des industries
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

16 Unit attributes fonction 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)

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18 Principaux points de blocage sur le réseau primaire et pôles économiques

19 MODELE NUMERIQUE DE TERRAIN

20 Land use map in Douala

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22 Transects et delais