深海鲨鱼通常在公海中被金枪鱼或旗鱼的捕捞渔业捕获。
Pelagic sharks are usually caught on the high seas in tuna or swordfish fisheries.
世界大多数海洋捕捞渔业已经至少得到充分的开发或开始衰败，其生产已经达到稳定的水平。
Most of the world's marine capture fisheries are already at least fully exploited or in decline and their production levels have reached a plateau.
系统受过度捕捞渔业影响很大，并存在营养级I利用效率低和渔业资源小型化、低值化等不稳定的幼态特征。
The ecosystem appears to be a young weak one caused by overfishing, with small and low-valued fishes dominated and low ecotrophic efficiency for trophic level I.
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