Fire Earth

Earth is fighting to stay alive. Mass dieoffs, triggered by anthropogenic assault and fallout of planetary defense systems offsetting the impact, could begin anytime!

Posts Tagged ‘acidification’

State of Oceans Rapidly Deteriorating

Posted by feww on January 4, 2015

Ocean health is being destroyed fast

Health of the oceans is deteriorating even faster than had previously been thought, says a report.

The world’s oceans are facing multiple threats including:

  • Impacts of climate change
  • Acidification
  • Overfishing
  • Habitat destruction
  • Detrimental resource extractions
  • Marine pollution
  • Dead Zones
  • Alien species introduction
  • Loss of  Fisheries

The oceans are being heated by climate change, turned less alkaline (more acidic) by absorbing ever increasing volumes of CO2, made less habitable by pollution and depopulated of marine lifeforms due to overfishing.

The size of dead zones are increasing globally due to fertilizer run-off.

‘Biggest Threat’

“The biggest threat to our Ocean’s health is climate change, with its twin super-dangers of rising sea temperatures and acidification,” says a review released by the International Program on the State of the Ocean (IPSO).

Ocean’s Health

This affects everyone, because—just like the climate—the Ocean forms one of the key operating systems of our planet. It creates more than half our oxygen, drives weather systems and modulates the atmosphere, as well as providing us with vital resources. So the Ocean functions at a fundamental ‘Earth System’ level, transcending national borders to help maintain life everywhere on Earth.

‘Extinction Risk’

“The Ocean has already absorbed more than 80% of the heat added to the climate system and around 33% of the carbon dioxide emitted by humans. Ecosystems are collapsing as species are pushed to extinction and natural habitats are destroyed,” said IPSO.

There are growing concerns based on recent research that past extinctions had involved warming seas, acidification and low oxygen levels. All of which are on the rise today, the IPSO co-coordinator, Prof Alex Rogers, told BBC News.

We are taking about 80-90 million metric tons of fish from the Ocean each year (9,000-10,000 tons every hour), he said. “The fishing methods used – as well as the sheer scale of the plunder – are having devastating effects on both the fish targeted and virtually all other marine creatures, from seabirds to coral.”


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China’s Coastal Waters Are Terminally Polluted

Posted by feww on June 9, 2008

China would be lucky to find a single healthy fish swimming in its coastal waters by 2011.

A Shrinking World Series

China’s wetlands, coral reefs and mangroves are rapidly disappearing: expert

According to a Chinese specialist, Luan Weixin, a professor at the Economics and Management College at Dalian Maritime University:

  • About 50 percent of inland coastal wetlands in china have disapperaed because of excessive reclamation.
  • Some 80 percent of coral reefs and mangrove forests had been destroyed over the past 50 years.
  • Worst affected areas include estuaries of the Yangtze, Yellow and Zhujiang rivers, and water bodies near East Liaoning, Bohai and Hangzhou bays.
  • A total of 145,000 square kilometers of shallow waters along China’s coast are substandard.
  • Some 29,000 square kilometers of seawater is heavily contaminated by chemicals including fertilizers, which contain nitrogen and phosphate.

A child clears water from his boat in the algae-filled Chaohu Lake in Hefei, in east China’s Anhui province October 14, 2007. Blue-green algae has caused water pollution in Chaohu Lake, China’s fifth largest fresh water lake, where the rare whitebait production is on the decline, Xinhua News Agency reported. REUTERS/Jianan Yu (CHINA). Image may be subject to copyright. See FEWW Fair Use Notice!

“Over the past 20 years or so, China’s marine economy has been developing at a staggeringly rapid pace and marine resources are being widely tapped. As a result, the condition of China’s inshore environment is deteriorating and the ocean ecology has been seriously damaged,” he said. (Source)

A man carrying lotus roots walk through an algae-filled pond in Yingtan, east China’s Jiangxi province, October 12, 2007. China’s pollution woes will form the smoggy backdrop to a key Communist Party gathering in October as leaders, who long treated nature as a foe to conquer, now fear that dirty air and water threaten stability and growth. REUTERS/Stringer (CHINA) CHINA OUT. Image may be subject to copyright. See FEWW Fair Use Notice!

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