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英国保育慈善组织“国民信托”日前宣布，明年初将在英国南部2个地方，引进“自然界工程师”欧亚河狸，并表示这是防洪计划的一部分。

英国于16世纪曾大量猎捕河狸以获取皮毛、肉和腺体，导致河狸面临灭绝危机。

“国民信托”一名专案经理艾特利表示：“河狸建造的水坝，会在干旱时期蓄水、帮助较少下游洪水、减少侵蚀及控制淤泥改善水质”。他还表示，河狸将有助人类应对气候变化所带来的影响。

英国北部近日遭受严重洪水侵袭，长时间暴雨，再加上防洪能力差和河道维护不佳，是导致洪水泛滥的原因。而河狸有“自然界工程师”的美誉，因此当局希望借着河狸的力量，协助对抗水患。