11月11日，两艘科考船在长江武汉段江面往上游进发，进行江豚科考行动。当日，2012年长江淡水豚考察队从武汉起航，展开为期40天的长江流域科考行动。30多名科考人员及江豚专家从武汉出发，将上行至宜昌，再下行到达上海，往返3000多公里，了解目前长江流域江豚分布的数量和变化状况，依据这些数据向国家相关部门提供江豚保障策略。中国长江江豚是全球唯一的江豚淡水亚种，在地球上生存超过2500万年，被誉为长江生态的“活化石”和“水中大熊猫”。新华社记者 程敏 摄     November 11,,The two ships expedition ship in the Yangtze river wuhan section heading into the surface of the river upstream,For river dolphin expedition action.On that day,In 2012, the Yangtze river river dolphin expedition set sail from wuhan,Expansion for 40 days of the Yangtze river basin expedition action.More than 30 name department personnel and finless porpoise experts from wuhan starting,In the step to yichang,Then descending arrive in Shanghai,And more than 3000 kilometers,Learn about the Yangtze river basin finless porpoise distribution quantity and change situation,On the basis of the data to the national related department to provide finless porpoise security strategy.China Yangtze river dolphin is the only finless porpoise freshwater subspecies,Live on the earth more than 25 million years,Is known as the Yangtze river ecological"Living fossil"and"Water giant panda".Xinhua news agency reporters ChengMin perturbation

11月11日，科考人员在进行长江江豚观测作业。新华社记者 程敏 摄 November 11,,Department personnel in the Yangtze finless porpoise observation operation.Xinhua news agency reporters ChengMin perturbation