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Showing posts with label Mining. Show all posts
Showing posts with label Mining. Show all posts

Friday, 2 February 2018

#Vietnam - Sediment loss in Mekong River killing southern delta


The Cửu Long (Mekong) Delta is home to nearly 18 million Vietnamese people, and is the most important rice field and fishing region of the country.
 
HÀNỘI — The Cửu Long (Mekong) Delta is home to nearly 18 million Vietnamese people, and is the most important rice field and fishing region of the country.

Việt Nam cannot afford to lose it as an agricultural powerhouse, but may be unable to stop just that happening.

A recent study conducted by the Agence Francaise de Developpement (French Development Agency – AFD) and the European Union (EU) found that the Mekong River’s sediments arriving down the Cửu Long Delta fell from 65 to 75 per cent compared to the total in the 1990s, and by half over the last few years.

This sediment shortage was mostly caused by human activities in the river’s upstream, with hydropower plants sprouting up despite the protests of downstream countries like Cambodia and Việt Nam. Việt Nam’s own rampant sand mining in the delta’s rivers only exacerbated the situation.  

The study gave a bleak forecast: the Mekong Delta is very likely to receive between 10 and 20 per cent of the nutrient-rich sediment compared to what it used to get in the last century once all the hydropower plant projects on the Mekong River are finished.
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https://12go.asia/?z=581915
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$700m losses  
      
The study also estimated losses of about VNĐ15.8 trillion (US702 million) a year to Việt Nam’s economy due to a severe decline in agriculture and fisheries. The revenue of companies in the region could be cut by up to 50 per cent, the study suggested.

Hydropower dams in the upstream of the Mekong River not only trapped sediment but also blocked fish from freely migrating downstream to the Mekong Delta.

It was found that existing dams have already cost about 50 per cent of fish stocks in Việt Nam and Cambodia, while as many as 10 per cent of fish species would disappear from the rivers in the two countries.

‘Happening too fast’

The huge loss of sediments was wrecking havoc on river banks and coastal lines in the south of Việt Nam, with erosion and subsidence occurring at faster rates than ever before.

“Subsidence in the Cửu Long Delta was widespread and particularly worse in the lowland,” said Dr Văn Phạm Đăng Trí from Cần Thơ University, located in the city of the same name in the Mekong Delta.

Agriculture and Rural Development deputy minister Hoàng Văn Thắng said that the sediment loss stopped the build-up and expanding process of the delta.

“Due to that, we now witness the opposite process – sea encroachment in which more and more land has been lost. It is happening too fast,” he said.

He believed the unsustainable development in the Mekong upstream played a big role in the mass subsidence taking place in the Cửu Long delta.

“But the unsustainable development in the delta itself, for example the rampant sand mining or the overexploitation of underwater, was also very alarming,” Thắng added.
 
VIET NAM NEWS


Saturday, 26 December 2015

New deadly landslide hits Myanmar jade mine


YANGON - Dozens of people were feared missing Saturday in the latest landslide to hit a remote jade mining region in northern Myanmar, the second such deadly incident in just over a month.

The landslide took place on Friday afternoon in Hpakant, Kachin State, the war-torn area that is the epicentre of Myanmar’s secretive billion dollar jade industry.

"The rescue process has now started and we are searching for dead bodies but we can’t tell the numbers yet," Nilar Myint, an official from Hpakant Administrative Office, told AFP.

The same area was hit by a massive landslide last month that killed more than 100. Locals says dozens more have died throughout the year in smaller accidents.

Those killed are mainly itinerant workers who scratch a living picking through the piles of waste left by large-scale industrial mining firms in the hope of stumbling across a previously missed hunk of jade that will deliver them from poverty.
 Myanmar is the source of virtually all of the world’s finest jadeite, a near-translucent green stone that is enormously prized in neighbouring China, where it is known as the "stone of heaven".

The Hpakant landscape has been turned into a moonscape of environmental destruction as firms use ever-larger diggers to claw the precious stone from the ground.

But while mining firms -- many linked to the junta-era military elite -- are thought to be raking in huge sums, local people complain they are shut out from the bounty.

Source: The Nation
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