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( 2018· 全国 I ) (选修6:环境保护) 在斯匹次卑尔根岛(位置见下图)一座山体的120米深处,建有世界种子库(通过约100米长的隧道进入),存有近100人类栽培的主要植物的种子样本,以预防自然灾害、战争、气候变化等因素导致的物种消失风险。该种子库建在自然状态下可以保持种子样本安全达百年以上。 说明世界种子库选址的有利条件,以及在全球变暖趋势下可能遭遇的环境风险。 说明世界种子库选址的有利条件,以及在全球变暖趋势下可能遭遇的环境风险。 说明世界种子库选址的有利条件,以及在全球变暖趋势下可能遭遇的环境风险。
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