In recent years, because of environment deterioration, human interruption and use of destructive fishing tools and increase of fishing intensity, the number of habitual fish, migratory fish, half-migratory fish and littoral fish decreased sharply.
由于近年来受自然环境的改变以及人类经济活动的干扰,破坏性渔具渔法的使用以及捕捞强度的增加,致使洄游和半洄游鱼类及沿岸带产卵的定居性鱼类资源数量减少,渔获物中梅鲚占绝对优势。
参考来源 - 太湖沙塘鳢的生长、食性及其资源保护·2,447,543篇论文数据，部分数据来源于NoteExpress
Lamprey is a typical migratory fish, some time in the sea of life.
鳗是一个典型的洄游鱼类，一些在海上的生活时间。
But one lesson is clear. Laying off, even for just six years, has as big an effect on migratory fish as it does on sedentary ones.
但有一点是显而易见的：停止捕鱼活动（即便只持续六年时间）对于洄游鱼类的影响，与对于非洄游鱼类的影响同样大。
Most toxins, often from household products, are carried to Arctic waters by ocean currents, winds, or via migratory fish and animals.
大部分的毒素，通常都来自家用物品，随著海洋的水流风向，或是回流鱼和动物，漂向北极的海域。
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