Jakarta, Nov. 9 -- A new morning dawns on the coast of Oetefu, greeting Yuliana Antonia Messa as she steps out to face her traditional salt pans, already drenched in the early morning sweat of hard labor.

Her perspiration bears quiet witness to a lifelong journey, carried by the woman affectionately known across the coastal settlements as Mama Nia.

For more than four decades, she has relied entirely on these shallow earth pans and the precious white crystalline grains they yield to sustain her family, anchoring her existence to the rhythm of the tides and the blazing equatorial sun.

For Mama Nia and the wider coastal communities scattered across Rote Island in East Nusa Tenggara, salt farming is far more than a mere occupation; it is a...