Edexcel IGCSE Biology · Spec 5.9B
Fish Farming: Water Quality and Waste
Covers explain how intensive fish farms maintain water quality, Link waste removal to fish health and Balance productivity with environmental impact.
Biology revision video
Fish Farming: Water Quality and Waste
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Spec 5.9B
What you need to know
- Explain how intensive fish farms maintain water quality
- Link waste removal to fish health
- Balance productivity with environmental impact
Active recall
Quick check
Answer each question before opening the answer.
Why must dissolved oxygen be monitored in a fish farm?
Fish require oxygen for aerobic respiration and dense stocks can use it rapidly
Why is ammonia removed from the water?
Ammonia is toxic to fish
How can uneaten food affect oxygen concentration?
Microorganisms decompose it and use oxygen in aerobic respiration
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