BANGKOK: Unsustainable development threatens the health and diverse fish populations of the Mekong river, with one-fifth of fish species in Southeast Asia's main artery facing extinction, a report by conservation groups said on Monday (Mar 4).
A Mekong giant catfish is seen on a boat in the Tonle Sap River, Cambodia. BANGKOK: Unsustainable development threatens the health and diverse fish populations of the Mekong river, with one-fifth of fish species in Southeast Asia's main artery facing extinction, a report by conservation groups said on Monday .
Threats to its fish include habitat loss, conversion of wetlands for agriculture and aquaculture, unsustainable sand mining, introduction of invasive species, worsening climate change and hydropower dams fragmenting the flow of the river and its tributaries, according to the report compiled by the World Wildlife Fund and 25 global marine and wildlife conservation groups.
Proliferating Chinese-built hydroelectric dams upriver have blocked much of the sediment that provides essential nutrients to tens of thousands of farms in the Mekong River Delta, Reuters reported in 2022. Among those facing extinction are 18 species listed as critically endangered by the International Union for Conservation of Nature, including two of the world's largest catfish, the world's largest carp and the giant freshwater stingray.
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