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Warning: Biodiversity in the oceans: we reach the threshold of extinction

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posted on Jun, 24 2011 @ 03:45 PM
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MULTIPLE OCEAN STRESSES THREATEN "GLOBALLY SIGNIFICANT" MARINE EXTINCTION

A high-level international workshop convened by IPSO met at the University of Oxford earlier this year. It was the first inter-disciplinary international meeting of marine scientists of its kind and was designed to consider the cumulative impact of multiple stressors on the ocean, including warming, acidification, and overfishing.

The 27 participants from 18 organisations in 6 countries produced a grave assessment of current threats - and a stark conclusion about future risks to marine and human life if the current trajectory of damage continues: that the world's ocean is at high risk of entering a phase of extinction of marine species unprecedented in human history.

Delegates called for urgent and unequivocal action to halt further declines in ocean health.


The final report wil be released sooner, however, a report summary on major ocean impacts and stressors was released last week and its conclusion is unequivocal: the world's ocean is at high risk of entering a phase of extinction of marine species unprecedented in human history.

The report is also accompanied by four case studies, which look in more detail at some of the workshop's main findings.

Case Study 1


The potentially deadly trio of factors — warming, acidification and anoxia — affecting today's oceans, by Professor Jelle Bijma, Marine Biogeosciences, Alfred Wegener Institute for Polar and Marine Research. Watch his explanation, beginning with the growing problem of anoxia, or dead zones, in the ocean.



Case Study 2


End of paradise: Coral reefs facing multiple attacks, by Ove Hoegh-Guldberg , Director, Global Change Institute, University of Queensland

Read the two other case studies in detail here

Sources: state of the ocean
short report
long report (including names, titles, organisations and email adresses of the workshop participants)

Extracts of the short report:





This is really bad news, is the process reversible? I don't want to be pessimist, but how can we say to China and India (for example) poor people to use ecologic solutions for live? We can't blame them for tying to duplicate our 'civilization model'.

Where are we going?


edit on 24-6-2011 by elevenaugust because: (no reason given)




posted on Jun, 24 2011 @ 05:24 PM
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this kind of ties in with "dead zones" in the ocean, where there is not enough oxygen in the water to sustain life. there used to be very few of these places, but in recent years they are growing larger and becoming more numerous. very disturbing.

people don't seem to realize we only have one planet.



posted on Jun, 25 2011 @ 06:23 AM
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reply to post by Bob Sholtz
 

Many thanks for your reply!



people don't seem to realize we only have one planet.

Yes, and I don't want to be too controversial, but only one reply here for something that I thought to be crucial for the future of our Earth demonstrate, sadly, that you're absolutely right.

Nobody seems to care, or maybe it's me? Or maybe it's the week-end?



posted on Jun, 25 2011 @ 06:27 AM
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There's been a few threads lately saying what this thread is saying.

Our oceans are dying.




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