Using technology to detect the DNA footprint of an animal that remains in the environment, or eDNA to study the biodiversity of marine life from the water samples collected from the river for the first time. Cause I found the existence of the Mekong River, Mekong giant catfish is the creatures at risk critical steps towards extinction (Critically endangered), the necessary studies to understand the source and spread of these species to quick breeding because it populations have been reduced by 90 percent in the past few decades.
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