The eastern end of the Gulf of Fonseca, in Honduras, was originally the site of extensive wetlands ecosystem, dominated by six species of mangroves. In 1986 (right image), the Landsat Thematic Mapper shows an environment minimally impacted by human activities. By 2009, when the ASTER image was acquired (left), hundreds of square kilometers of coastal swamps had been converted to shrimp ponds, appearing as blue rectangles near the water line. The images cover an area of 30 x 36 km, and are located at 13 degrees north latitude, 87.2 degrees west longitude.
Photo credit: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
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