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德国和丹麦科研人员最新研究发现,不仅人类和家畜通过肛门排放“有害温室气体”,水生动物也同样释放温室气体一氧化二氮。
法新社3日报道,德国马克斯·普朗克研究所和丹麦奥尔胡斯大学研究人员发现,当水中有硝酸盐存在时,蚌类、淡水蜗牛等水下生物会排放一氧化二氮,即俗称的“笑气”。
“污染水中含有硝酸盐,污染越严重,这种问题气体的排放就越多,”马克斯·普朗克研究所研究员范妮·阿斯佩特贝格尔说。
她说,眼下没有有关水下生物排放一氧化二氮对环境影响的具体数据,但假如硝酸盐污染持续恶化,
(03/19/2009 23:07:50,97) [查看全文]
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