鱘
由于过度捕捞和水污染,这条河里的中华鲟已经灭绝了。
Because of overfishing and water pollution, the river's Chinese paddlefish has died out there.
这为中华鲟保护工作带来了希望。
This was the China sturgeon protection work to bring a hope.
中华鲟在长江常熟段繁殖。
The giant Chinese river sturgeon breeds at Changshu, on theYangtze River.
渔民每年错误地捕捞大概3000头中华鲟。
Fishermen catchas many as 3, 000 sturgeon by mistake every year.
初步研究了不同水温对中华鲟胚胎发育的影响。
The effect of different water temperature on the embryonic development was studied.
水族馆汇集专业的海洋专家队伍来照顾中华鲟。
The aquarium has assembled a team of marine professionals to care for the sturgeon.
水流和养殖密度对史氏鲟的生长有着显著的影响。
The growth performances were significantly affected by water current and stocking density.
产于中国大河的匙吻鲟与密西西比河流域中的相似。
Fish of larger rivers of China similar to the Mississippi paddlefish.
我国珍稀动物中华鲟、东北鲟、长江鲟即是这类鱼。
Sturgeon rare animals in China, Northeast sturgeon, Yangtze sturgeon that is of such fish.
中华鲟对由船类交通引起的越来越多的噪音也非常敏感。
The sturgeon is also highly sensitive to increased noise on the river caused by growing traffic.
海蟹的种类不少,常见而且经济意义大的有青蟹、梭子蟹和鲟。
The sort of sea crab is not little, the crab having blueness with economic common and great sense, swimming crab and sturgeon.
墨西哥湾鲟是大西洋鲟的一个亚种,存在于墨西哥湾沿河河流中。
A subspecies of the Atlantic sturgeon, Gulf sturgeons are found in the coastal rivers of the Gulf of Mexico.
结果表明,养殖密度对史氏鲟的生长、摄食率和消化率具有显著影响。
The results showed that with increasing rearing density, the specific growth rate (SGR) and daily weight gain (DWG) of juvenile A.
血清蛋白相似系数的结果表明中华鲟和史氏鲟的相似性要高于达氏鳇和史氏鲟;
Coefficient of similarity about serum protein show that Chinese sturgeon is more similar with Amur sturgeon compared with Huso sturgeon.
接下来,代物第和黑尔要判断一下影响——如果有的话——毛滴虫给湖鲟带来的影响。
Next, DeWoody and Hale would like to determine the effect - if any - the Trichomonas parasite has on lake sturgeon.
有一些中华鲟最后放回了大自然,然而不能再适应野生生活的中华鲟还留在水族馆里。
Some are eventually released back into the wild, while others that are unable to re-adapt to the wild are kept at the aquarium.
它是北美体型最大的鲶鱼,并且是北美第三大纯淡水鱼,排在其之前的分别是黄鲟和白鲟。
It is the largest catfish in North America and the third largest obligate freshwater fish in North America, behind the lake sturgeon and paddlefish.
虽说来自吸虫的基因的横向转移可能最终给湖鲟带来好处,但毛滴虫带来的更可能是负面的影响。
While lateral gene transfer from a trematode worm could ultimately benefit the lake sturgeon, evidence of the Trichomonas pathogen is more likely to have a negative effect.
他们还发现了有些人用牛奶来冒充羊奶奶酪、用便宜的密西西比白鲟鱼籽来做所谓的鲟鳇鱼子酱。
A supposed sheep's milk cheese was actually from cows. And alleged sturgeon caviar was just cheap Mississippi paddlefish eggs.
2007年,科学家为捕获到的最后一条萨氏铲鲟装上跟踪器,日夜跟踪了两年,以期它会遇到同类。
The last one caught, in 2007, was given a tracking device and followed daily for two years on the chance it would lead to others.
除此之外,未在此列的濒危物种还有扬子鳄和中华鲟。 /其中还没有包括濒临灭绝的扬子鳄和中华鲟。
Other endangered species are the Chinese alligator and the Yangtze River sturgeon.
模拟结果表明三峡水库建坝后各水力学要素都有不同程度的减小,这可能会对中华鲟的繁殖产生一定的影响。
The results demonstrated that the value of each hydraulic variable decreased after the Three Gorge Dam constrution to some extent, which would probably affected the Chinese sturgeon propagation.
连中华鲟这样众所周知的濒危物种都不能得到媒体的关注,那么凭什么要媒体去对司空见惯的小猫投入关注?
Chinese sturgeon, such a popular endangered species can't even gain an exclusive attention from media, whereby shall the media to put exclusive attention into the commonly seen kitten?
在过去的几十年里,一些动物都被打上了物种灭绝的标签,包括中华鲟、白鳍豚、比利牛斯山羊和西方黑犀牛。
In the past few decades, several animal species have been labeled extinct, including the Chinese paddlefish, Yangtze River dolphin, Pyrenean ibex and western black rhinoceros.
水泥池养殖的杂交鲟具有昼伏夜出习性,深水网箱养殖的杂交鲟流急时在网箱底部活动、流缓时到水层中游动;
The hybrid sturgeon in cement pool had the habit of hiding during the day and coming out at night, while that in deep water cage stayed at the base in riptide and swam in slack tide.
黑尔说,基因常常是组合起来才起作用。有望某天新基因会和其他基因关联在一起,使湖鲟产生适应所处环境变化所需的新性状。
Hale said genes often work in combination, and new genes may one day become involved with other genes to help the lake sturgeon create new traits needed to adapt to changes in its environment.
黑尔说,基因常常是组合起来才起作用。有望某天新基因会和其他基因关联在一起,使湖鲟产生适应所处环境变化所需的新性状。
Hale said genes often work in combination, and new genes may one day become involved with other genes to help the lake sturgeon create new traits needed to adapt to changes in its environment.