Rare glimpse at understudied ecosystem prompts caution on deep-sea mining

An enormous but poorly understood region of the global ocean—referred to as the abyssal benthic boundary layer—lies a few meters above the seafloor and has only been sampled a handful of times. A study by oceanographers at the University of Hawaiʻi at Mānoa provided the first in-depth look at this habitat, revealing a dynamic community that may be more sensitive to seasonal changes than previously understood.

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