How do canals affect the environment?
Answers
Canals provide deep-water, nutrient-enriched habitats for expansion of nonnative pest plants such as water lettuce, hydrilla, and water hyacinth. These plants can modify water chemistry, deplete oxygen levels, shade out native species, decrease water flow, and interfere with navigation and flood control.
Answer:
Canals provide deep-water, nutrient-enriched habitats for expansion of nonnative pest plants such as water lettuce, hydrilla, and water hyacinth. These plants can modify water chemistry, deplete oxygen levels, shade out native species, decrease water flow, and interfere with navigation and flood control.
Explanation:
The introduction of canals had many social impacts as well as economic impacts. Indirectly, canals provided new opportunities in mining, hardware, potteries and many other industries. This was because with the easy transport of goods available, new markets opened up and industries grew bigger as trade became cheaper.
How canals are polluted?
The canal waters are highly polluted due to letting of sewage/sullage effluents from fish/prawn tanks, agricultural runoff carrying toxic chemicals, dumping of garbage and dead animals and human defecation along the canal banks.