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Jurassic records warn of risk to marine life from global warming
Date:2/19/2013

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The team found a 'dead zone' recorded in the rock, which showed virtually no signs of life and contained no fossils. This was followed by evidence of a return to life, but with new species recorded.

Professor Twitchett added: "The results show in unprecedented detail how the fossil Jurassic communities changed dramatically in response to a rise in sea level and temperature and a decline in oxygen levels.

"Patterns of change suffered by these Jurassic ecosystems closely mirror the changes that happen when modern marine communities are exposed to declining levels of oxygen. Similar ecological stages can be recognised in the fossil and modern communities despite differences in the species present and the scale of the studies."

The NERC project 'The evolution of modern marine ecosystems: environmental controls on their structure and function' runs until March 2015, and is one of four funded under their Coevolution of Life and the Planet research programme.


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Contact: Andrew Merrington
andrew.merrington@plymouth.ac.uk
44-175-258-8003
University of Plymouth
Source:Eurekalert  

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