paddlefish

paddlefish

1. The production of sturgeons and paddlefish was about 20 000 tones in 1990, but decreased to only 10,000 tones in 1993.

1990年世界鲟鱼产量为2万t,1993年下降到1万t。

2. "We violate all speed limits . . . to catch the opening of the annual paddlefish snagging season" (John Hoey)

“为了能赶到每年的白鲟捕捞季节开幕式,我们开车违反了所有的车速限制”(约翰·霍伊)

3. A three-year search for the giant Chinese paddlefish, conducted along nearly 500 kilometres of the upper Yangtze, failed to find a single individual.

一项历时三年、覆盖长江上游近500公里的寻找中华鲟活动以失败告终。

4. Procedures of Shanghai Municipality on the Administration of the Chinese Paddlefish Natural Reserve at the Mouth of Yangtze River

上海市长江口中华鲟自然保护区管理办法

5. Chinese sturgeon and Chinese paddlefish will never come back to the place where in millions of years they propagate, having to rely on artificial method to live on.

下一个消失是谁,谁也不知道,但是可以确定的是,不论是谁的消失都意味着人类又亲手抹去了一个顽强存活了数十万年的物种;

6. We violate all speed limits . . . to catch the opening of the annual paddlefish snagging season

为了能赶到每年的白鲟捕捞季节开幕式,我们开车违反了所有的车速限制

7. We violate all speed limits.to catch the opening of the annual paddlefish snagging season(bJohn Hoey)

为了能赶到每年的白鲟捕捞季节开幕式,我们开车违反了所有的车速限制(b约翰·霍伊)

8. We violate all speed limits.to catch the opening of the annual paddlefish snagging season(John Hoey)

为了能赶到每年的白鲟捕捞季节开幕式,我们开车违反了所有的车速限制(约翰·霍伊)

9. Biology of some sturgeons and paddlefish and prospects for aquaculture

主要养殖鲟鱼的生物学及养殖前景

10. Fish of larger rivers of China similar to the Mississippi paddlefish.

产于中国大河的匙吻鲟与密西西比河流域中的相似。

11. He and colleagues began a study of the living but ancient fish known as the paddlefish.

他和同事们开始研究了一种现有的、但非常古老的鱼类,叫做白鲟。

12. Nece ary adjustment may be made in the limits of the C R according to the situatio of the silting up of the mudflat, the distribution of Chinese paddlefish, and the change of their activities.

保护区的范围可以根据滩涂淤涨、中华鲟分布和活动情况的变化,进行必要的调整。

13. The SMAOC R shall build a temporary foster and rescue center, and provide the nece ary rescue perso el and take charge of the rescue, treatment and cure of the wounded or sick Chinese paddlefish.

保护区管理处应当建造暂养救护设施,并配备必要的救护人员,负责伤病中华鲟的救护、医治等。

14. Experiments on Artificial Seed Rearing and High Yield Culture of Paddlefish Polyodon spathula in Net Cage

匙吻鲟人工育苗和网箱高产饲养试验

15. Growth of the American Paddlefish Polyodon spathula at Different Feeding Rates

匙吻鲟幼鱼不同饵料量生长试验

16. if any Chinese paddlefish and other rare or endangered wild aquatic animal is found dead, it shall be handed over to the SMAOC R to be handled properly.

发现中华鲟及其他珍贵、濒危水生野生动物已经死亡的,应当交由保护区管理处妥善处理。

17. Obviously,Chinese paddlefish and American paddlefish belong to the tetraploidy group whereas Yangtze sturgeon and Chinese sturgeon are octoploids.

史氏鲟初步判断为八倍体,据分析可能存在四倍体的类型。

18. A Test on the Paddlefish Polydon Spathula Farming in Non-feeding Cages in a Reservoir

水库不投饵网箱养殖匙吻鲟试验

19. Aquaculture of the American paddlefish Polyodon spathula fed different feeds in cages of reservoirs

水库网箱不同饵料养殖匙吻鲟试验

20. any fisherman who catches a chinese paddlefish or any other rare and endangered wild aquatic animal by mistake shall release them immediately and unconditionally.

渔民在捕捞作业时误捕中华鲟及其他珍贵、濒危水生野生动物的,应当立即无条件放生。

21. The natural resources of sturgeons and paddlefish decrease because of over-fishing and environment-deterioration.

由于多年的酷渔滥捕和生态环境恶化,鲟鱼资源日趋衰退。

22. Chinese paddlefish

白鲟

23. , the roe of salmon, whitefish, lumpfish, and paddlefish is sometimes sold under the name caviar.

红鲑鱼子及其他鱼子通常亦以鱼子酱的名称出售。

24. And alleged sturgeon caviar was just cheap Mississippi paddlefish eggs.

而宣称是“鲟鱼鱼子酱”的鱼卵其实来自廉价的密西西比白鲟。

25. That was before the Ghezouba Dam was built on the Yangtze River in the early 1980s, cutting off the sturgeon's migratory path, just as it did for the critically endangered Chinese paddlefish.

这是19世纪80年代长江上的葛洲坝建成以前的情形,建成以后,它切断了中华鲟的迁徙路线,严重危及中国白鲟。

26. The genome size of two species including Yangtze sturgeon and Chinese sturgeon,was found two times as big as that of Chinese paddlefish and American paddlefish.

长江白鲟和北美匙吻鲟均属于四倍体鱼类,分布在长江水系的中华鲟和达氏鲟两种鲟属鱼类为八倍体类型。

27. 6.Other activities that affect the environment of the living and su istence of the Chinese paddlefish.

(六)其他影响中华鲟栖息生存环境的活动。

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