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Showing posts with label Fish species. Show all posts
Showing posts with label Fish species. 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, 2 September 2017

#Indonesia - Jepara regency offers new diving spot at Panjang Island.


If you’re still unsure on what to do over the long weekend, here’s a suggestion: Snorkeling or diving at Panjang Island, Jepara regency, Central Java.

This relatively new diving spot has the depth of 2.5 to 5 meters and houses plenty of fish species such as clown fish and kete kete.

To go there, tourists can travel by boat from Kartini Island. Diving equipments and tour guides are available on site.

 
“All of the tour guides have snorkeling certifications. We’ve also prepared special underwater cameras for tourists,” said Jogoloyou Jepara maritime and fisheries monitoring society (POKMASWAS) head, Mustain.

Visitors will also learn about the importance of preserving coral reefs at this place. The POKMASWAS community itself has been actively doing coral reefs transplantations and attachments since 2012.

Jepara regency has plenty of tourist attractions to explore such as Karimun Jawa and Ombak Mati beach in Bondo. The latter one is a rather unique place as the beach has no waves, hence the name ombak mati (dead waves).

As for accommodation, there are more than 1,200 places to stay in the Jepara province.
 Source - TheJakartaPost

PS. #Facebook not fuck me again to block my postings and pointed as spam, you idiots.