Based on the set principles for readjustment of the Yancheng National Rare Bird Reserve (YNRBR), a scheme is put forth for readjustment of its area and functional zones. The readjustment will reduce the total area of YNRBR from 4 530 to 2 842 km2, but expand the acreage of the core area from 174 to 219 km2 which accounts for 7.71% of the total area of YNRBR; the buffer zone from 467 to 557 km2, and the experimental zone from 3 889 to 2 066 km2. Besides, driving forces of the readjustment are analyzed from the following 3 aspects: changes in natural condition, dynamics of the communities in the...