The Alboran Sea is the westernmost portion of the
Mediterranean Sea, lying between
Spain on the north and
Morocco on the south. The
Strait of Gibraltar, which lies at the west end of the Alboran Sea, connects the Mediterranean with the Atlantic. Surface currents in the Alboran Sea flow eastward, bringing water from the Atlantic into Mediterranean; deeper subsurface currents flow westward, carrying saltier Mediterranean water into the Atlantic. There is often a rotary circulation, also known as a "gyre", in the Alboran Sea as a result of this exchange of water. The Alboran Sea is a transition zone between the two seas, containing a mix of Mediterranean and Atlantic species. The Alboran Sea is habitat for the largest population of
Bottlenose Dolphins in the western Mediterranean, is home to the last population of
harbour porpoises in the Mediterranean, and is the most important feeding grounds for
Loggerhead Sea Turtles in Europe. The Alboran sea also hosts important commercial fisheries, including
sardines and
swordfish. In 2003, the
World Wildlife Fund raised concerns about the widespread
drift net fishing endangering populations of dolphins, turtles, and other marine animals.
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