Assertion: shad | /r/CapableOf | contribute to the problem
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Source sentences:
text: Contributing to the problem, river herring and shad are not managed under the federal Magnuson-Stevens Act, and as such still do not have catch-limits set in federal waters, where they are caught in huge quantities as bycatch in other fisheries that account for the needs of other species (like bull redfish and tarpon) up the food chain.