本文表明了野土种细鳞鱼能在低温性水库中生长,发育与自行繁殖后代。
The research in yr. 80—85 revealed that wild fish of Brachymystax lenok (Pallas) grew, developed and propagated normally in low temperature reservoirs.
人工驯养和放流的初步成功,论证了在鸭绿江上游支流目前的生态环境状况下进行细鳞鱼人工增殖放流的可行性。
The achievements of domestication and manual releasing, demonstrated the feasibility to reproduce and put them into rivers under the existing condition.
这也是细鳞大马哈鱼在出生后一年内吃得最多的东西。
In the first year of their life, pink salmon eat more pteropods than anything else.
溢油事故发生三年之后,这种鱼的数量降到了130万尾。借助一个大型孵化场,细鳞大马哈鱼的数量逐步恢复。
Their Numbers, aided by a large hatchery operation, have rebounded from a low of 1.3 million three years after the spill.
例如被列为“已恢复”物种的细鳞大马哈鱼,2007年时的数量为1160万尾。
Wild pink salmon, for example, are listed as a “recovered” species, evidenced by a 2007 run estimated at 11.6 million fish.
例如被列为“已恢复”物种的细鳞大马哈鱼,2007年时的数量为1160万尾。
Wild pink salmon, for example, are listed as a “recovered” species, evidenced by a 2007 run estimated at 11.6 million fish.
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