Centuries-Old Lava Caves of Hawaiʻi Island Contain Thousands of Unknown Bacterial Species Higher bacterial diversity than scientists expected has been uncovered in the lava caves, lava tubes, and geothermal vents on the big island of Hawaiʻi. The findings have been reported in a new study published
Steve Smith in a Hawaiian cave passage filled with roots of the Kaʻu district on the Island of Hawai`i. Credit: Kenneth InghamHigher bacterial diversity than scientists expected has been uncovered in the lava caves, lava tubes, and geothermal vents on the big island of Hawaiʻi.
Thick microbial mats hang under a rock ledge in steam vents that run along the Eastern Rift Zone on Hawaiʻi Island. Credit: Jimmy Saw “This leads to the question, do extreme environments help create more interactive microbial communities, with microorganisms more dependent on each other?” said Prescott. “And if so, what is it about extreme environments that helps to create this?”
A stalactite formation in a Hawaiian cave system from this study with copper minerals and white microbial colonies. Despite the fact that copper is toxic to many organisms, this formation hosts a microbial community. Credit: Kenneth Ingham
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