Besides growing stockpiles of confiscated ivory, another factor encouraging relaxation of the international ivory trade ban is the burgeoning of elephant herds in eastern and southern Africa.
除了沒收走私的象牙、打擊象牙交易；南非與辛巴威等東、南部非洲國家大象族群不斷膨脹，是另一個促成象牙解禁的原因。