Question

what concentration of DO is desirable for aquatic life​

Answer 1

Answer:

Numerous scientific studies suggest that 4-5 parts per million (ppm) of DO is the minimum amount that will support a large, diverse fish population. The DO level in good fishing waters generally averages about 9.0 parts per million

Answer 2

Answer:

For normal levels of activity, DO concentrations above 3 mg/L generally seem sufficient for many species. Table 3. Minimum dissolved oxygen concentrations for sustaining life of several aquatic species. LC50 is the concentration at which 50% of the organisms die

Explanation:

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