Rugusye River
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| Rugusye River | |
|---|---|
  | |
| Native name | Rivière Rugusye (French) |
| Location | |
| Country | Burundi |
| Physical characteristics | |
| Mouth | Rumpungwe River |
• coordinates | 3°33′35″S 30°27′07″E / 3.559648°S 30.452009°E |
The Rugusye River[a] (French: Rivière Rugusye) is a river that defines part of the border between Burundi and Tanzania.
The Rugusye River forms to the east of Kabuyenge, in the extreme east of Ruyigi Province, Burundi. It flows in a west-southwest direction along the border between Burundi and Tanzania to its confluence with the Rumpungwe River, which continues along the border.[1][b]
Environment
The surroundings of Rugusye are mainly savannah forest.[3] The area is quite sparsely populated, with 32 inhabitants per square kilometer as of 2016.[4] The average annual temperature in the area is 22 °C (72 °F). The warmest month is September, when the average temperature is 25 °C (77 °F), and the coldest is December, with 20 °C (68 °F).[5] Average annual rainfall is 1,376 millimetres (54.2 in). The wettest month is March, with an average of 293 millimetres (11.5 in) of precipitation, and the driest is July, with 1 millimetre (0.039 in) of precipitation.[6]
Watershed
The watershed covers 1,522 hectares (3,760 acres), of which 241 hectares (600 acres), or 15.85%, were cultivated as of 2000.[7] Parts of the marshes of the Rugusye, the Rumpungwe and the Malagarazi are the only mineral marshes[c] in Burundi that are permanently flooded. Two development projects were underway in 2000 led by SOSUMO (Burundi Sugar Company) and the Ruyigi DPAE (Provincial Directorate of Agriculture and Livestock). These involved creating irrigation and drainage networks separated by dikes or tracks.[9]