生物扰动强度受水中含氧量、食物供给和沉积作用过程的制约。
The strength of the bioturbation is affected and controlled by the oxygen content of the water, "feeding biota with food", and depositional process.
主要用于增加鱼池水中含氧量，满足鱼类生长发育所需的氧气。
It is mainly applied to increasing oxygen content in fishpond, so as to provide sufficient oxygen required by fish growing.
但幸运的是，大部份用来增加水中含氧量的方法也有降低水中二氧化碳的功效。
Fortunately, most methods for increasing oxygen in a tank will also decrease carbon dioxide.
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