| http://www.w3.org/ns/prov#value | - The escalating pursuit of fish has had heavy ecological consequences, Mr. Roney said, including the alteration of marine food webs through reduction in the populations of large predatory fish such as tuna, cod and marlin.He noted that sophisticated fishing techniques aimed at maximizing catches, such as longlines and bottom-scraping trawls, kill large numbers of nontarget species.
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