Why is dissolved oxygen important in aquaculture?

Dissolved oxygen is vital in aquaculture because it serves as the primary medium for respiration in aquatic organisms, including fish, invertebrates, and microorganisms. Like terrestrial animals, aquatic organisms rely on oxygen to metabolize food and produce energy. In water, oxygen is dissolved and accessed by aquatic life through their gills or body surfaces, allowing them to carry out cellular processes essential for growth, reproduction, and overall health.

In aquaculture systems, maintaining appropriate levels of dissolved oxygen is paramount. Insufficient oxygen can lead to stress, decreased growth rates, and even mortality in aquatic species, making it an essential factor in successful aquaculture practices.

While dissolved oxygen can have indirect effects on factors like preventing excessive algae blooms or aiding in digestive processes, its primary role is rooted in the fundamental respiratory needs of aquatic organisms. Therefore, understanding and managing dissolved oxygen levels is critical for maintaining the health and productivity of aquaculture systems.