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"We now face losing marine species and entire marine ecosystems, such as coral reefs, within a single generation," according to the study by 27 experts to be presented to the United Nations.
Jelle Bijma, of the Alfred Wegener Institute, said the seas faced a "deadly trio" of threats of higher temperatures, acidification and lack of oxygen, known as anoxia, that had featured in several past mass extinctions.
Jelle Bijma, of the Alfred Wegener Institute, said the seas faced a "deadly trio" of threats of higher temperatures, acidification and lack of oxygen, known as anoxia, that had featured in several past mass extinctions.
A build-up of carbon dioxide, blamed by the U.N. panel of climate scientists on human use of fossil fuels, is heating the planet. Absorbed into the oceans, it causes acidification, while run-off of fertilizers and pollution stokes anoxia. "From a geological point of view, mass extinctions happen overnight, but on human timescales we may not realize that we are in the middle of such an event," Bijma wrote.
(Environmental Engineer Joe Taylor) says the sulfur and sulfuric acid based dispersant makes the oil spewing into the gulf sink, where its impossible to clean up--and where it depletes oxygen levels under the water, killing plankton and everything above plankton in the food chain. "Corexit is toxic, petroleum is toxic, and its depleting the oxygen levels," he says.
Originally posted by laiguana
"We now face losing marine species and entire marine ecosystems, such as coral reefs, within a single generation," according to the study by 27 experts to be presented to the United Nations.
[atsimg]http://files.abovetopsecret.com/images/member/5a8cfcc9374b.jpg[/atsimg]
Corals and coral reefs are severely threatened by processes such as ocean acidification
Jelle Bijma, of the Alfred Wegener Institute, said the seas faced a "deadly trio" of threats of higher temperatures, acidification and lack of oxygen, known as anoxia, that had featured in several past mass extinctions.
Jelle Bijma, of the Alfred Wegener Institute, said the seas faced a "deadly trio" of threats of higher temperatures, acidification and lack of oxygen, known as anoxia, that had featured in several past mass extinctions.
A build-up of carbon dioxide, blamed by the U.N. panel of climate scientists on human use of fossil fuels, is heating the planet. Absorbed into the oceans, it causes acidification, while run-off of fertilizers and pollution stokes anoxia. "From a geological point of view, mass extinctions happen overnight, but on human timescales we may not realize that we are in the middle of such an event," Bijma wrote.
news.yahoo.com...
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With an ever growing world population the world's ecological systems have been stressed significantly. It's not like the UN is going to enforce its environmental and conservation policies on third world countries that breed like crazy and have hardly the means to survive on a day by day basis.
The outcome looks grim, not just for our oceans, but also for humans. There is simply not enough resources to go around and expect everyone to have a westernized, high standard of living...or even a sustainable one.
Sustinability has become a hot topic in the last decade, but it's far from being applied in a pragmatic manner.edit on 22-6-2011 by laiguana because: (no reason given)
A coordination team works together with a Steering Group that currently consists of the Ecology Action Centre, Greenpeace International, Marine Conservation Biology Institute, Natural Resources Defense Council, Pew Environment Group and Seas at Risk. The DSCC has developed a formidable international team of scientists, policy and communication experts, lawyers and political activists who on behalf of the deep sea have established a strong reputation and profile on the issue at the UN and in other fora.
The 3 day workshop, co-sponsored by the International Union for Conservation of Nature (IUCN), looked at the latest science across different disciplines.
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.
The workshop provided a rare opportunity to interact with other disciplines to determine the net effect of what is already happening to the ocean and is projected to do so in the future. Over the three days 27 participants from 18 organisations in 6 countries (Annex 1) assessed the latest information on impacts and stresses, and the synergistic effects these are having on the global ocean.
Through presentations, discussions and recommendations the workshop documented and described the cumulative effects of such impacts, how these commonly act in a negatively synergistic way, and why therefore concerted action is now needed to address the consequences set out in this report.
The scientific outcomes from this workshop will be used first and foremost to strengthen the case for greater action to reduce anthropogenic emissions of carbon dioxide related to climate change and ocean acidification while also reducing other stressors. The findings underscore the need for more effective management of fisheries and pollution and for strengthening protection of the 64% of the ocean that lies beyond the zones of national jurisdiction. They thereby form a major contribution to implementation of the major IPSO report on the Global State of the Ocean. This event follows on from the IPSO/Royal Society event in 2009 that focussed on the future for coral reefs.