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【摘 要】
：
Anchovies are migratory fish and adult individuals migrate in group from the sea into the river every year because of reproductive needs. TheYangtze River is th
【机 构】
：
Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reac
【出 处】
：
农业科学与技术：英文版
【发表日期】
：
2004年期
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