This surprisingly relaxing footage is from SIX MILES under the ocean – and it’s the deepest ecosystem yet discovered
太平洋海溝發現最深化學合成生態系統
编辑者: Tetiana Martynovska 17
中國主導的國際研究團隊於七月搭乘「奮鬥者」號載人潛水器,在西北太平洋的千島─堪察加與阿留申海溝進行深海探測,發現在深度達九千五百三十三公尺的海底,存在著迄今為止記錄到的最深處的化學合成生態系統。這項重大發現發表於二零二五年七月三十日的《自然》期刊,挑戰了我們對生命在極端深海環境中生存能力的認知,並為理解生命在嚴苛條件下的適應性提供了新視角。
此次探測涵蓋了千島─堪察加海溝和阿留申海溝約二千九百公里至三千四百公里的區域,深度範圍從五千八百公尺到九千五百三十三公尺。研究團隊記錄到四十一個活躍的化學合成生物群落,這些群落由管蟲和蛤蜊等生物主宰,牠們的生存方式是透過轉化從海床滲出的甲烷和硫化氫等化學物質來獲取能量。初步的實驗室分析顯示,這些生態系統中的甲烷很可能由微生物分解沉積物中的有機物產生,證實了生物作用而非地質作用是此處能量的主要來源。這些發現暗示著類似的化學合成群落可能廣泛存在於其他海溝中,並拓展了我們對地球生命潛力的理解。
來源
KION546
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