A recent study reveals that approximately 4,000 years ago, a sophisticated fish-trapping system
It is believed that the population near these fish traps did not significantly increase until the establishment of
Through radiocarbon dating of materials from three excavated channels, it was determined that hunter-gatherers initially built this fish-trapping system around 4,000 years ago. Geological evidence points to a drought occurring between approximately 4,200 and 3,900 years ago which transformed the area from year-round marshland to seasonal wetlands. This environmental change prompted a shift in diet from cultivated maize to aquatic foods (Source: www.sciencenews.org).
2024-11-22 14:00:00
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