Sea of Marmara about 22 parts per thousand, which is slightly greater than that of the Black Sea, but only about two-thirds that of most oceans. The water is much more saline at the sea bottom, averaging salinities of around 38 parts per thousand, similar to that of the Mediterranean Sea. This high-density saline water, like that of the Black Sea, does not migrate to the surface. Water from the Susurluk, Biga (Granicus) and Gonen Rivers also reduces the salinity of the sea, though with less influence than on the Black Sea. With little land in Thrace draining southward, almost all of these
Sea of Japan naming dispute however, argues that the resolution does not apply to the Sea of Japan, because it does not specify this body of water and only applies to geographical features for which sovereignty is shared between two or more countries. The IHO agreed to conduct a survey of available evidence in 2011. Previously, South Korea had been pushing the IHO to recommend only using the term East Sea, but announced on 2 May 2011, that it now preferred the gradual approach of using both names now, and eventually dropping the Sea of Japan name. On 26 April 2012, the IHO announced that