Thursday, January 21, 2010

Can animals mix the ocean?

You might think that it takes some pretty big forces to have a significant effect on water movement in the ocean.  The sun and moon, winds, temperature and salinity produce tides, waves and currents, and in turn affect primary production and the distribution of species.  But what effects do marine animals themselves have on the mixing of ocean water?  Quite a bit, according to a recent paper in Nature.

Check out the video:

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