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中华鲟是一种大型的洄游性鱼类,最大个体达1,100余斤。成熟个体原来由海进入江河,性腺逐渐发育,至翌年秋季在长江上游产卵繁殖。1981年1月,葛洲坝枢纽大江截流,中华鲟的洄游路线受阻,而滞留平坝下江段。在这种情况下,中华鲟的性腺能否继续发育和有无可能在大坝下游自然繁殖的问题,通过两年来的调查研究,已经得到了肯定的回答。
Chinese sturgeon is a large migratory fish, the largest individual amounted to 1,100 pounds. Mature individuals originally from the sea into the river, gonadal gradually developed to the following year fall in the upper reaches of the Yangtze River spawning. January 1981, Gezhouba Dam River closure, migration of Chinese sturgeon blocked, and stay Pingba downstream section. Under such circumstances, whether the gonads of Chinese sturgeon can continue to develop and whether it is possible to naturally breed downstream of the dam have been affirmatively answered after two years of investigation.