African Coastal and Marine Atlas

Madagascar AOI: Railways

L’âge des chemins de fer à Madagascar risque fort d’avoir été bref. De 1901, qui vit l’ouverture du premier chantier, à 1936, un embryon de réseau de quelque 860 kilomètres fut constitué. Mais, en 2001 sur les 4 lignes qui le composaient, seul le FCE…

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Madagascar: Warm water coral reefs

African Coastal and Marine Atlas

The dataset represents the Madagascar regional distribution of warm water coral reefs. It has been created from multiple sources and supercedes the dataset used in the World Atlas of Coral Reefs (2001), although some aspects of this product still originate…

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Administrative Areas Level 3 for Madagascar

African Coastal and Marine Atlas

Administrative boundaries of the third sub-national level.

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Nigeria Beaches

African Coastal and Marine Atlas

Nigeria Beaches are some of the most attractive tourist spots, which provides a sense of relaxation and calmness to the minds and bodies of the tired travelers to the country. Nigeria beaches are located in the coastal regions of the country. There are many…

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Madagascar AOI: Les Routes

African Coastal and Marine Atlas

Les routes nationales avancent bien dans les zones goudronnées. Il manque en général les obstacles de type gués et radiers. Il y a de petites différences entre les longueurs constatées dans OSM et les chiffres gouvernementaux. Pour les N6 et N7, il manque…

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Nigeria Dams

African Coastal and Marine Atlas

Dam is a structure built across a stream, river or estuary to retain water. Some dams are tall and thin, while others are short and thick. Dams are made from a variety of materials such as rock, steel and wood. This activity concentrates on dams made from…

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Administrative Areas Level 4 for Madagascar

African Coastal and Marine Atlas

Administrative boundaries of the fourth sub-national level.

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Nigeria: Coastal District Administrative Boundaries

African Coastal and Marine Atlas

GADM is a spatial database of the location of the world's administrative areas (or adminstrative boundaries) for use in GIS and similar software. Administrative areas in this database are countries and lower level subdivisions such as provinces, departments,…

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Madagascar: Hot spot Coral reef ecosystems

African Coastal and Marine Atlas

Reef development is more limited on the island’s eastern coast, where in many places the shore and continental shelf are sheer. But the northeast, with its somewhat more convoluted aspect, supports coral communities at places like Toamasina and the Masoala…

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Madagascar AOI: Les villes et villages

African Coastal and Marine Atlas

Avec 20 millions d’habitants pour une superficie atteignant 587 041 km², soit un peu supérieure à celle de la France, Madagascar n’a qu’une faible densité démographique d’un peu plus de 30 habitants au km2. Et comme cette population n’est urbanisée qu’à…

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Nigeria Special Reserves

African Coastal and Marine Atlas

A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem. Primarily, the factor that distinguishes wetlands from other land forms or water bodies is the…

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Madagascar: Fleuves et Rivieres

African Coastal and Marine Atlas

Madagascar montre une très grande hétérogénéité dans la répartition et le potentiel de ses ressources en eau. Il existe ainsi des régions qui ne semblent pas exploiter suffisamment les ressources disponibles, alors que d'autres régions n'en disposent pas…

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Turtle nesting points (Eretmochelys imbricata)

African Coastal and Marine Atlas

Cinq espèces de tortues marines sont présentes dans l’Océan Indien Occidental. Les plus abondantes sont la tortue verte (Chelonia mydas) et la tortue imbriquée (Eretmochelys imbricata) pour lesquelles l’OIO regroupe des sites de pontes parmi les plus…

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Nigeria Erosion Monitoring Stations

African Coastal and Marine Atlas

The Nigerian coastal zone sprawls a total of nine states, out of the thirty-six states of the federation, namely: Akwa-Ibom, Bayelsa, Cross River, Delta, Edo, Lagos, Ogun, Ondo and Rivers. The coastal states are estimated to account for 25% of the national…

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Nigeria AOI: Administrative Level 1 Boundaries for Nigeria from GADM

African Coastal and Marine Atlas

GADM is a spatial database of the location of the world's administrative areas (or adminstrative boundaries) for use in GIS and similar software. Administrative areas in this database are countries and lower level subdivisions such as provinces, departments,…

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Madagascar: Remaining vegetation

African Coastal and Marine Atlas

A historical review of vegetation classification in Madagascar reveals that the classical map and "phytogeographic" territories of Perrier de la Bâthie and Humbert are largely a subjective reflection of climatological factors, and do not adequately reflect…

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Nigeria: Coastal States Administrative Boundaries

African Coastal and Marine Atlas

GADM is a spatial database of the location of the world's administrative areas (or adminstrative boundaries) for use in GIS and similar software. Administrative areas in this database are countries and lower level subdivisions such as provinces, departments,…

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Nigeria AOI: Inland Water Network

African Coastal and Marine Atlas

Shapefile of inland water features in Nigeria. This dataset originates from the Digital Chart of the World 1:1000000. The waterbodies have been characterized as rivers, canals and lakes with seperate files for line and area features.

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Madagascar AOI: Les Aires Marines Protegees

African Coastal and Marine Atlas

Particulièrement choyée par la nature, Madagascar, île de l’océan Indien, est mondialement réputée pour la richesse de sa biodiversité. La faune et la flore malgaches possèdent un taux d’endémicité très élevé : 80 % des espèces animales et 90% de la végétation…

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Nigeria AOI: Inland Water Network

African Coastal and Marine Atlas

Shapefile of inland water features in Nigeria. This dataset originates from the Digital Chart of the World 1:1000000. The waterbodies have been characterized as rivers, canals and lakes with seperate files for line and area features.

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