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Ecological change in the abyss -- the Amperima event
Date:6/24/2010

year may change the egg production in certain species allowing the rapid colonisation of large areas of the seafloor when the conditions are right.

"Whether it is the quality or the quality of the organic matter, or both, that matter," says Dr Billett, "it appears that changes in the density of animals such as Amperima are related to phytoplankton productivity in the overlying surface waters, which is affected by climate change."

"Moreover", he says, "we know from the fossil record that deep-sea animal communities change over geological timescales. Knowing how species density and dominance change in relation to environmental variables in the present will help in interpreting the geological record and will allow predictions of how deep-sea fauna might alter in relation to climate change."


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Contact: Dr. Rory Howlett
r.howlett@noc.soton.ac.uk
44-023-805-98490
National Oceanography Centre, Southampton (UK)
Source:Eurekalert  

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