What are the risks to the Mekong River?

What are threats to the Mekong River?

The most pressing threats are hydropower development, climate change, illegal wildlife trade and habitat loss.

What would happen if the Mekong River was threatened?

It would irreversibly change the ecosystem that over 60 million people rely on for food, and will likely result in the extinction of the iconic Mekong giant catfish and other fish species.

What are the negatives of the Mekong River dams?

These dams impede sediment and nutrient transport, causing coastal erosion in the Mekong delta, and disrupting river hydrology, which has facilitated deforestation and loss of fish production in the Tonle Sap Lake.

How do human activities affect the Mekong River?

Recent studies have shown that the dam construction projects along the Upper Mekong in China in particular have had a major impact on both water and sediment fluxes throughout the Mekong basin. … Other human activities in the delta might also contribute to the sinking and shrinking of the Mekong’s delta.

Why is the Mekong River important?

The Mekong River connects China, Laos, Thailand, Cambodia and Vietnam physically and economically. The river is a lifeline for the entire basin, sustaining economies and livelihoods across the entire region.

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Why is the Mekong River at Risk?

Two main risks include the obstruction of the estimated 600 migratory fish species that swim to their spawning ground and the trapping of sediment by dams upstream that prohibits the replenishment of the delta’s nutrients.

Why is the Mekong River polluted?

The pollution is due in part to the expansion of rice fields from 3.2 million hectares in 1995 to 3.9 million hectares this year and the increased use of fertilizers and pesticides. Another reason is pond expansion to grow pangasius (basa and tra).

What is causing environmental issues along the Mekong River?

Population growth, poor land-use planning and economic policies that encourage the unsustainable use of natural resources are among the factors increasing deforestation and biodiversity loss across the Greater Mekong region.

What are the advantages of the Mekong River dam?

The three major advantages put forward in support of dam construction are hydropower, irrigation, and flood control. All require impoundment of the river, displacement of communities and provision of their major benefits at some distance from the site of the dam.