| http://www.w3.org/ns/prov#value | - As a result, populations of tuna, flounder, cod, halibut, swordfish, and other large predatory fish who are among the most-consumed have plummeted by 90 percent since the 1950s, causing the numbers of smaller plankton-eating fish to increase.(7) Aquatic ecosystems in every part of the globe pay the environmental cost of commercial fishing.
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