50多年来,非洲大象人口减少了一半以上,这主要是由于偷猎和生境丧失造成的。 African elephant populations have fallen by over half over 50 years, mainly due to poaching and habitat loss.
最近一项涵盖50年数据的研究显示,非洲大象人口下降了一半以上,热带大象减少了70%,森林大象减少了90%。 A recent study covering 50 years of data shows African elephant populations have declined by more than half, with savanna elephants decreasing by 70% and forest elephants by 90%. 下降的主要原因是偷猎和生境丧失。 The decline is mainly due to poaching and habitat loss. 虽然由于更好的管理,南部非洲42%的受调查地点的人口有所增加,但北非和东非却出现大幅下降,突出表明需要加强养护努力。 While populations have risen in 42% of surveyed sites in southern Africa due to better management, northern and eastern Africa have seen significant declines, highlighting the need for increased conservation efforts.