[2] The Gasebuzi, a seasonal stream in its upper reaches, forms in the Kamaramagambo colline of the Commune of Butihinda, Muyinga Province.

[5] The Nyamabuno and Ruduhira marshes drain the waters of Lake Rweru in the Vumasi, Rusenyi, Karambo and Nonwe watersheds.

[6] The road had caused water levels to drop, letting the local population start cultivating rice in the marsh.

[5] The administrator of the Bwambarangwe commune said in 2005 that an Agricultural Rehabilitation and Support Project (PRASAB) to exploit the Nyamabuno marsh had begun.

[8] An undated Enabel report discussed completing studies carried out by the Institutional and Operational Support Program for the Agricultural Sector (PAIOSA) in 2022 on developing 500 hectares (1,200 acres) of the Nyamabuno marsh in Bugesera for use by family farms.