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A Seaweed Economy Tied to the Tides

Farming of this valuable product has become common in recent decades in the waters of Tanzania’s Pemba Island.

This image originally appeared in the NASA Earth Observatory story A Seaweed Economy Tied to the Tides.

NASA Earth Observatory image by Michala Garrison, using Landsat data from the U.S. Geological Survey. Story by Adam Voiland.

Published June 14, 2025
Data acquired August 5, 2024

Source:: Landsat 9 > OLI-2