The main course of the Wusulijiang River,which flows through the area of the Raohe County where aremore concave banks,curved conduits and tributaries,is washed and collapsed seriously.

• 乌苏里江为中俄界江,干流流经饶河县境内凹岸和弯道及汊道分流较多,被冲刷和塌岸相当严重。