Life in ocean 'blue holes' studiedQuicklink submitted by Kyle McDermott Permalink
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|Submerged caves -- found both on land and in the sea -- are among the least studied and most threatened habitats on Earth. These systems, which hold the drinking water for many of the world's inhabitants and influence the health of nearby marine ecosystems, also boast a unique biodiversity of microbial and multicellular life. In addition they provide a window into the distant past, as the cave's geological formations can be analyzed to reconstruct past climate and the unique water chemistry of the blue holes has preserved skeletal remains of Paleo-Indian as well as extinct and still living species.|
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