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‘Fishing continued’ after East China sea oil spill

‘Fishing continued’ after East China sea oil spill thumbnail

Fishing continued at the site of a massive oil spill in the East China Sea for days after the incident, satellite images obtained by the BBC suggest.

Most of the fishing vessels in the affected region were identified as Chinese.

There have been major concerns over possible contamination in seafood and marine life in and around the region.

The spill occurred after an oil tanker collided with another cargo ship on 6 January before sinking days later.

It was transporting 136,000 tonnes, or almost one million barrels, of ultra-light crude oil, known as condensate, to South Korea.

It is feared to be highly toxic and is invisible, unlike the shimmering slick on the sea-surface seen after crude-oil leaks.

Experts say it is the first time petroleum product of this type has spilled in such huge quantity.

Independent experts say fishing was not stopped until much later and reports in the Chinese media indicate the same.

The BBC obtained satellite images and data showing the presence of fishing boats in the area following the event.

China is a major seafood exporter and the impacted region is known to be rich in fisheries including species like crab, squid, yellow croaker, mackerel, among others.

The Chinese state oceanic administration did not respond to repeated BBC requests for comment on fishing activities.

According to the agriculture ministry website, an area of 30 nautical miles radius from the accident site was declared as a prohibited zone after the accident.

Image copyright AFP/Transport Ministry of China
Image caption Scientists say the visible slick on the sea surface is most likely the fuel the tanker was using

“Based on our analysis, we estimate fishing activities to have likely continued in the area since the incident occurred, including within 60 nautical miles of the sinking site,” said Brad Soule, chief analyst with OceanMind, a not-for-profit organisation specialising in tracking fishing activities.

The group’s analysis estimates that there were more than 400 fishing vessels operating within the region between 6 January and 25 January, while 13 were detected within 60 nautical miles of the sinking site.

Sanchi, the tanker carrying the oil from Iran, is believed to have drifted between 50 to 100 nautical miles south after the collision before it sank.

This could mean that it continued spilling the condensate all along the way before it went down.

China’s Ministry of Transport said that a salvage team had located the sunken vessel at a depth of 115m (380ft).

“Between January 26 and February 14, 146 observed fishing vessels were active in the region and two observed fishing vessels active within 60 nautical miles of the sinking site,” OceanMind said in its analysis.

Mr Soule said the analysis was based on transmissions received from only fishing vessels which were travelling at speeds that are associated with fishing activity, slower than typical travelling speeds.

The vessels carry communications devices called transponders that send radio signals identifying themselves.

“Fishing had continued in the area potentially polluted by the Sanchi spill, and the Chinese government didn’t close fisheries until very recently,” said Prof Richard Steiner, a noted marine scientist who has helped governments with his oil-spill management expertise in the past.

In an email to the Chinese government after the Sanchi spill, he had suggested: You should immediately close all fisheries in the region of the spill, as you do not want any contaminated fishery products entering the consumer market.

“They responded to my other suggestions but not directly to this one,” he said.

The findings of Global Fishing Watch, another international organisation monitoring fishing vessels, are also similar.

“We looked at fishing activity detected by GFW as measured in hours of activity, after the Sanchi collision happened on 6 January, and compared to the same time period the previous year,” Paul Woods of GFW told the BBC.

“Overall, I would say that this analysis suggests that the aggregate level of fishing activity in the region before and after the event did not change dramatically.”

According to China’s state-run media, Xinhua, the government’s move to keep fishing vessels away came two days after Sanchi sank – that was 10 days after the collision.

“The Shanghai marine search and rescue centre dispatched 13 vessels on Tuesday (January 16) to tackle follow-up issues, maintain order at the site, evacuate nearby merchant and fishing ships, and issue navigational warnings in both Chinese and English,” it reported on 17 January.

International oil spill experts say that intervention was too slow.

“Going by the pictures we saw, a lot of condensate had already started spilling from the Sanchi soon after it collided with another ship,” said Prof Steiner.

“If we had a 1 knot current over the site for eight days, then pollution from the event could conceivably have travelled in the subsurface plume as far as 200 miles away, downstream,” he said in the email to China’s State Oceanic Administration.

The New York Times has reported that officials in Beijing announced on 1 February that samples of fish taken within four to five nautical miles of the sunken ship contained traces of petroleum hydrocarbons, suggesting possible condensate contamination.

Image copyright AFP/Transport Ministry of China
Image caption The Chinese government has been releasing toxicity levels from samples of sea water

“In any spill event, fuel oil will produce damage on the shore, whilst light oil like kerosene and petrol will have much more impact on marine species because of the persistence in the water column,” said Dr Corina Ciocan, a marine biologist with the University of Brighton.

“Molluscs and other filter feeding and sessile organisms are particularly affected by oil spills, as well as caged fish or coral fish – those are able to absorb high quantities of petroleum hydrocarbons present within their limited territory.”

Experts say the closure of fisheries is one of the first steps authorities take after major oil spills.

“This was something done immediately after the Deep Water Horizon oil spill incident in 2010,” said Chris Reddy, a senior scientist with Woods Hole Oceanographic Institution in the US.

Mr Reddy however believes the oil spill in the East China Sea will be killing sea creatures as an immediate effect but there is no long-term seafood contamination risk.

“That is because the condensate spilled will soon be diluted by cleaner seawater, eaten by microbes, or evaporate which means there will be no concentration of chemicals threatening to contaminate the seafood,” he said.

The Food and Agriculture Organization (FAO) of the UN did not make any comment when asked whether seafood from the impacted region could already be reaching consumer markets.


7 Comments on "‘Fishing continued’ after East China sea oil spill"

  1. Boat on Sun, 25th Feb 2018 2:57 pm 

    The water is cleaner than China’s. Besides all countries have problems. This is called Chinese prepping.

  2. Dredd on Sun, 25th Feb 2018 4:04 pm 

    “Getting to the bottom of the problem” is a strange saying (Databases Galore – 20).

    There are many ways to end up on the bottom.

  3. MASTERMIND on Sun, 25th Feb 2018 9:26 pm 


  4. DMyers on Sun, 25th Feb 2018 10:27 pm 

    For those who cook their seafood, residual hydrocarbon toxins should evaporate off during the cooking process. At that point, your seafood will be good as new.

    The fishermen have to catch lots of fish. This is an immediate concern. The potentially poisoned, killed, or crippled from eating those fish are abstractions that may never even exist. It’s all microscopic. Who even really knows?

    I would advise the fishermen to fish, big time. People have to eat. Contaminated or not, it prevents a man somewhere from seeing his baby starve. Yes, feed it to babies. Feed it to everyone.

    At worst, the digestive tract may become overly lubricated, but in such a constipated society, this can hardly be subject to complaint.

    Eat what’s set before you, with gratitude. Stop whining, “where did this come from?” and “where has this been?,” and “what did they spray on this?” and enjoy! Get fat with cancer. Life is short, even for the healthy.

  5. deadly on Mon, 26th Feb 2018 4:01 am 

    The Bikini Atoll is still radioactive. Fish thrive there.

    The Radium Girls still glow in the dark one hundred years later.

    Part of the delicate work entailed pointing the tip of the brush between the lips in order to lay down paint more precisely. It’s estimated that if a worker pointed the brush an average of 14 times per dial, painting 250 dials daily (which was the minimum expectation), a worker could ingest 125mg to 1.75g paint daily. This would contains from 3 to 43 micrograms of radioactive substance. Dial workers were unaware of the radioactive poisoning that they were slowly being exposed to. Women would use up their leftover paint by painting their faces, teeth, hair, and lurking about in the dark. There is report of one worker wondering why her handkerchief glowed after she blew her nose.

    The town of Ottawa saw prolonged efforts to clean up the city and grasp the impact radiation poisoning had upon the workers. By 1948, Argonne National Laboratories was set up on a 68 million dollar research project, 75 miles outside Ottawa. Part of this entailed contacting former dial workers. Within 20 years, 205 volunteers were tested for body burden radioactivity. Though no worker was ever compensated financially, it became the most expensive medical study of a group of workers ever done in America. 80% had radium caused cancers. 50% died by the time the study ended. Much of this work set nuclear exposure standards.

    Furthermore, the buildings themselves were contaminated. The Radium Dial building was torn down in 1968 with no regards to potential radioactive danger, resulting in radioactive debris left all over the town. By 1984 Illinois approved 2.5 million dollars to tear down the Luminous Processes building, by which time forty women formerly employed by the plant had been linked to radium poisoning deaths. Within 2 years, over 6.5 million had been spent decontaminating the site. There are still “hot spots” that can be spotted by the absence of snow settling on them during winter.

    Life does go on, keeps on the move, no other choice.

    Oil dissolves, burns off, evaporates, is more or less gone over time.

    Radiation hangs around for hundreds, even thousands of years.

    It won’t go away.

    Besides, all of the fish where the spill occurred quickly moved away from the contaminated area straight to the fishing vessels.

    A win!

  6. deadly on Mon, 26th Feb 2018 4:04 am 


  7. DerHundistLos on Mon, 26th Feb 2018 9:22 pm 

    Oh, don’t you worry one tiny bit fishing fleets may stop strip mining ocean protein because of a bit of pollution. 90% of all commercial fish stocks are already gone. Besides, the area between China and Japan is a huge dead zone due to Chinese pollution. The only “viable” remaining fishery is giant jellyfish.

    So don’t worry some little human baby may go hungry due to a self-imposed fishing moratorium.

    Instead of always worrying about the human babies, what of all the marine species that depend on the oceans for life-sustaining nourishment? Who cares, of course.

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