[2] Before being cut in half by a road, the Nyamabuno marsh was more than 400 metres (1,300 ft) wide and over 15 kilometres (9.3 mi) long.

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

[4] By 2005 the start of agricultural clearing of these two marshes for rice cropping could be seen of both sides of the road.

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

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