Rattus norvegicus, R. flavipectus, Mus musculus, R. losea, Apodemus agrarius, R. nitidus and Microtus fortis are common pest species in the middle and lower reaches of the Yangtse River.

• 摘要长江中下游的地理位置和适宜的气候条件，决定了害鼠的种类丰富、繁殖力高。