Question
What are the effects of water pollution on the ecosystem?
✓
Answer
Biological effects:
- Plants in the ecosystem show retarded growth, resulting into species loss.
- Due to imbalance in the ecosystem, the food chain and food web is disturbed.
- Pollutants cause mortality in fish and other aquatic animals.
- Oil slick causes harmful impact on the marine birds.
- Useful bacterial fauna in the water is lost.
Abiotic effects:
- Pollutants cause changes in physical and chemical properties of water.
- Salinity of the water changes.
- Dissolved oxygen in the water is depleted, causing mortality of fishes.
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