南鳥島周辺海域における海底鉱物資源マンガンノジュールの調査航海

Earth & energy (other)other

Why the open web links it

A 3-minute overview of a 47-day survey of manganese nodules in Japan's EEZ, highlighting resource potential and environmental considerations.

Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including u-tokyo.ac.jp, nippon-foundation.or.jp.