00477nam a22001457a 4500008004100000020001800041082001300059245010300072260003600175300001600211440003100227500002000258650003400278650001900312150915b        xxu||||| |||| 00| 0 eng d  a9781586488307  a333.916400aOceans:bthe threats to our seas and what you can do to turn the tide/cedited by Jon Bowermaster   aNewyork bPublicaffairs cc2010  axiii, 319p.  aa participant guide media   aIncludes index   aMarine resources conservation  aMarine biology