Dallol Bosso

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Template: Infobox River / Obsolete

The Dallol Bosso is a 350 -kilometer-long Wadi in western Niger. It runs from the border with Mali in the north to the border with Benin to the south, where it empties into the River Niger.

Course

The wadi has its origin in the branched Azawad River system in the Gao region in Mali. From the border with Niger, it bears the name of Dallol Bosso. Dallol is a word of the language Fulfulde, meaning " valley ". There are several Dallols in Niger, including the further east Dallol Maouri.

The Dallol Bosso first runs in the Nigerien Department Filingue by the municipalities Abala, Filingue, Kourfeye Centre, Imanan, Tondikandia and Tagazar, where he picks up an coming from Banibangou side valley. After Tagazar the wadi reaches the Department Boboye. The name comes from the language Boboye Zarma, also means " valley " and is another name of the Dallol Bosso. After the communities Koygolo, Kiota, Harikanassou and the Dallol Bosso N'Gonga reached Birni N'Gaouré, the capital of the department Boboye. Then he runs through the municipalities Fabidji, Guilladjé and Falmey, where it flows into the River Niger at the village Boumba towards the border with Benin.

On his way to the Dallol Bosso crosses two major regions: the Sahel and the large landscape Sudan.

Characteristics and use

The hydromorphic soils in the valley are rich in clay and organic material. The water table is high. Here there is good potential for irrigation field economy. At the foot of the plateaus on both sides of Dallols there is silt -clay soils that are subject to erosion by wind and water. On the plateaus even grain is grown.

Dallol Bosso in the population density is compared to the surrounding high, reaching more than 100 inhabitants per square kilometer. It often comes to land use conflicts. The valley is a traditional settlement area of ​​the Fulbe, which they share with other ethnic groups like Tuareg and Zarma.

Since 2004, the Dallol Bosso is a Ramsar site. This covers an area of ​​376 162 hectares, making it the second largest after the Gueltas and oases of the Aïr of Niger twelve Ramsar sites.