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[½»Á÷] 2012/11/30 news of the week@SCIENCE Ö®ËÄ£ºöèÓã±£»¤Ç°¾°¹âÃ÷ ÒÑÓÐ1È˲ÎÓë

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Prospects Brighten for Shark Conservation
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For the first time, the International Commission for the Conservation of Atlantic Tunas (ICCAT) agreed last week to consider explicitly including shark conservation in its mandate. ¡°This is unprecedented,¡± says Elizabeth Wilson of the Pew Environment Group, an environmental advocacy organization based in Washington, D.C.

´óÎ÷Ñó½ðǹÓã±£»¤Î¯Ô±»á£¨ICCAT£©ÉÏÖܵÚÒ»´ÎͬÒ⿼ÂÇÔÚËûÃǵļà¹Ü·¶Î§ÄÚÃ÷È·Ôö¼ÓöèÓã±£»¤¡£À´×ÔPew»·¾³×éÖ¯µÄElizabeth Wilson˵£¬¡°Õ⣨ÖÖµ÷Õû£©ÊÇǰËùδÓеġ£¡±¸Ã»·¾³×éÖ¯ÊÇÒ»¼Ò×ܲ¿Î»ÓÚ»ªÊ¢¶ÙÌØÇøµÄ»·¾³±£»¤³«Òé»ú¹¹¡£


ICCAT, which was established in 1966, manages some 30 migratory species, including swordfish, marlin, and other tunalike species. But the commission does not set catch limits for sharks. Most kinds of sharks are caught accidentally by vessels hunting for tuna and tunalike species, although a few species, such as shortfin makos, are targeted directly for their meat and large fins. Although conservationists failed to win new protectionsfor threatened sharks in the Atlantic Ocean at ICCAT¡¯s annual meeting, which concluded last week, they hope to make significant progress over the next few years as changes to the treaty are negotiated.

ICCAT³ÉÁ¢ÓÚ1966Ä꣬¼à¹Ü×Å30ÖÖǨáãÉúÎ°üÀ¨½£Ó㣬ÆìÓãºÍÆäËüÀà½ðǹÓãÖÖ£¬µ«ÊÇËûÃDz¢Ã»ÓжÔöèÓã²¶ÁÔ¸øÓèÏÞÖÆ¡£¾¡¹ÜÓÐÉÙÊýöèÓãÒòΪ£¨ÓÅÁ¼µÄ£©ÈâÖʺ;޴óµÄÓã÷¢È·Êµ±»×÷ΪÁ˲¶ÁÔÄ¿±ê£¬±ÈÈç¼âÎÇöëö裬µ«ÊǴ󲿷ֵÄöèÓãÊDZ»½ðǹÓãºÍÀà½ðǹÓãµÄÓæ´¬ËùÎóɱ¡£ËäÈ»ÔÚICCATÄê»áÉÏÉú̬»·¾³±£»¤ÕßûÄܹ»ÕùÈ¡µ½¶Ô´óÎ÷ÑóÊÜÍþвöèÓãеı£»¤£¬µ«ÊÇËûÃÇÈÔȻϣÍûµ±Ð­ÉÌÐÞ¸ÄÌõÔ¼µÄʱºò£¬£¨¶ÔöèÓãµÄ±£»¤£©ÄÜÔÚδÀ´¼¸ÄêÄÚÓг¤×ãµÄ½øÕ¹¡£


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