搜索结果: 1-2 共查到“国际动态 West Africa”相关记录2条 . 查询时间(0.109 秒)
Researchers shocked to discover just 250 lions surviving in West Africa（图）
lions extinction
2014/7/9
The African lion faces extinction across the entire West African region, according to a new report.
Periodic Megadroughts Hit West Africa, Says Study--Global Warming Could Worsen Newly Seen Pattern（图）
Periodic Megadroughts West Africa Global Warming
2009/12/10
Researchers have developed the first year-by-year record of rainfall in sub-Saharan West Africa for the past 3,000 years, and identified a daunting pattern: a 30-to-60-year cycle of serious droughts t...